{"as_of":"2026-08-10T15:34:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:930ea4ce43d70ddc70ddf3619b25a369093cbc1fd1b8c8a399c2d109475c164b","coverage":[{"denominator":22,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":22,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T23:30:44.919976Z","state":"measured"},{"denominator":22,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":22,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-10T06:31:04.303077+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[],"links":{"evidence":"/evidence","html":"/paper/2502.08894/citation-record","integrity":"/paper/2502.08894/integrity","json":"/paper/2502.08894/citation-record.json","paper":"/paper/2502.08894"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.195764Z","title":"( 4), in the general non- canonical case the speed of sound is: C2 s = g′(X) (g′(X) + 2Xg ”(X)) (12) The stability condition requires that the speed of sound is positive, C2 s > 0","venue":null,"work_id":"4c7cd870-6dc2-4f2e-9532-d60a402db1ba","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.874681Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:4454ae41ee3d9a0b5d0bc02a3fda53cfb42bef3f71f48c76ff576b6f9722e982","observation_id":"ea7c5d0f-651a-4ee3-88c3-b9a258a5572a","resolution":{"observed_at":"2026-08-07T23:30:45.200195Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.337033Z","title":null,"venue":null,"work_id":"244613dc-15e3-4d42-9522-d11a2bf1a21c","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.854420Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:e571c303934e6cfbd23bf76b172d3286d773f44b92f0deaa629d9489b3317d1d","observation_id":"5714d3db-9c85-475f-8c08-a2870d0bf4de","resolution":{"observed_at":"2026-08-07T23:30:45.357554Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.288818Z","title":"( 4), that H will be a multi-valued func- tion of ( ˙φ ,φ) indicating the existence of orbits, with solu- tions ˙φ ⁄= 0, along which the kinetic energy is minimized","venue":null,"work_id":"a6660fa5-c1b3-46b8-9dce-b1050d002a5f","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.857727Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:0582eb8a63c0b55d92e4f44713d0cb80a001ecb33b40c7363c295ded032da92c","observation_id":"7c8c3638-7777-4306-893a-91a214e4dc7a","resolution":{"observed_at":"2026-08-07T23:30:45.309849Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"hep-th/9904176","last_updated":"1999-04-26T15:19:14Z","snapshot_observed_at":"2026-07-07T05:19:41.266500Z","submitted_at":"1999-04-26T15:19:14Z","title":"Perturbations in k-inflation","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"hep-th/9904176","snapshot_observed_at":"2026-08-07T23:30:44.887590Z","title":"Garriga and V","venue":null,"work_id":null,"year":1999},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.887590Z"},"links":{"cited_paper":"/paper/hep-th/9904176","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:9239f062ab91219d3cbaed0e26da84675ffa7852b83521208eec3f07f274b9f2","observation_id":"b014fbba-147a-4b02-97b0-4fa0de777758","resolution":{"observed_at":"2026-08-07T23:30:44.887590Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.224218Z","title":"In the general case, independently of the potential V (φ), solutions of Eqn","venue":null,"work_id":"356e3162-8639-4597-8005-4031f3b4bae9","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.864542Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:253c862965550f5d27c486a121960978d6a39d22b092f5a2c21291f0105ebda5","observation_id":"68c61802-6a0c-408e-866a-82d7de00acb7","resolution":{"observed_at":"2026-08-07T23:30:45.239859Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.461394Z","title":null,"venue":null,"work_id":"ea9d9f60-7955-4656-9935-2a2661fe6f63","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.850801Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:a1b908c4c7d34da7ab78cf4009c52568e3a9b7ebb40dd877cede4971276bd094","observation_id":"9a87f654-378f-41dc-986f-c28e01ca8bad","resolution":{"observed_at":"2026-08-07T23:30:45.465195Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.215085Z","title":"Here we would like to understand whether our results 3 are completely general for any choice of potential energy or whether the potential needs to be ﬁne tuned to spe- ciﬁc cases","venue":null,"work_id":"4df01c35-1204-46b8-9742-e275d803c9c3","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.867917Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:54b2f7908e63866ef8ef50a56e82cea6d6bbeba318ef1150b09478b14b66da45","observation_id":"e855ca10-d0e4-4473-b87a-780157fac092","resolution":{"observed_at":"2026-08-07T23:30:45.218463Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.205944Z","title":null,"venue":null,"work_id":"b8e67e5c-ca03-459c-bb6e-50f6381be355","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.871496Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:c22e0bceccd4acde0b49490234f9a542aa747a23ebe501627b7264d5372df9ff","observation_id":"0bd8ccff-9a4c-4a2f-8ce6-6dcb79ec8d9e","resolution":{"observed_at":"2026-08-07T23:30:45.208899Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.253449Z","title":"In general we can expand any non- linear function as a series expansion g(X) = Σ α nX n for n = 1, 2, 3, 4","venue":null,"work_id":"734d5819-2c4d-4a98-8032-44380b3767de","year":null},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.860863Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:580de5985403d7cf7d4a05a8c760e91bb4ecfb0605fa11e7d2a71b2c1313b9eb","observation_id":"f3b9b8dd-c760-4449-957c-9a6cd04cd6be","resolution":{"observed_at":"2026-08-07T23:30:45.265231Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/0004134","last_updated":"2000-04-11T00:16:02Z","snapshot_observed_at":"2026-08-04T22:44:45.725047Z","submitted_at":"2000-04-11T00:16:02Z","title":"A Dynamical Solution to the Problem of a Small Cosmological Constant and Late-time Cosmic Acceleration","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/0004134","snapshot_observed_at":"2026-08-07T23:30:44.877834Z","title":"Armendariz-Picon, V","venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.877834Z"},"links":{"cited_paper":"/paper/astro-ph/0004134","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:fefcaf3ef4d2f7a45782cd872662124de4fb6e4446be5dfa90ef097aa4f12e37","observation_id":"49779889-b6e0-4db5-ae4c-ae98746450c9","resolution":{"observed_at":"2026-08-07T23:30:44.877834Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/9912463","last_updated":"2000-01-29T04:38:58Z","snapshot_observed_at":"2026-08-05T23:35:03.953059Z","submitted_at":"1999-12-22T12:12:41Z","title":"Kinetically Driven Quintessence","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/9912463","snapshot_observed_at":"2026-08-07T23:30:44.881320Z","title":"Chiba, T","venue":null,"work_id":null,"year":2000},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.881320Z"},"links":{"cited_paper":"/paper/astro-ph/9912463","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:82a8a6507452093bdcf943e4c0217a88df22664c3ce04b9b9729e0101c1ce8e3","observation_id":"748bf2fb-3e74-48db-85ec-74da4efa937f","resolution":{"observed_at":"2026-08-07T23:30:44.881320Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/0006373","last_updated":"2000-06-27T00:01:38Z","snapshot_observed_at":"2026-08-03T23:32:34.694893Z","submitted_at":"2000-06-27T00:01:38Z","title":"Essentials of k-essence","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/0006373","snapshot_observed_at":"2026-08-07T23:30:44.884371Z","title":"Armendariz-Picon, V","venue":null,"work_id":null,"year":2001},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.884371Z"},"links":{"cited_paper":"/paper/astro-ph/0006373","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:79562215a31307da00ed333cde73e0f01f0ab5172d7abd9f468c0051c153e471","observation_id":"57afc2f0-0b05-42d6-a84e-ecc5ff555548","resolution":{"observed_at":"2026-08-07T23:30:44.884371Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/0211522","last_updated":"2003-04-16T18:56:05Z","snapshot_observed_at":"2026-07-07T00:29:56.070885Z","submitted_at":"2002-11-24T16:57:08Z","title":"The State of the Dark Energy Equation of State","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/0211522","snapshot_observed_at":"2026-08-07T23:30:44.890940Z","title":"Melchiorri, L","venue":null,"work_id":null,"year":2003},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.890940Z"},"links":{"cited_paper":"/paper/astro-ph/0211522","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:fda9316e51c658b836726aa17d43f45e182e293f296ba26fb243f5ba3fec709b","observation_id":"ac45ebeb-2b6f-466e-bb5a-f54473e1b77d","resolution":{"observed_at":"2026-08-07T23:30:44.890940Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1202.2537","last_updated":"2012-07-12T15:52:03Z","snapshot_observed_at":"2026-08-09T20:12:30.907523Z","submitted_at":"2012-02-12T15:48:47Z","title":"Classical Time Crystals","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1202.2537","snapshot_observed_at":"2026-08-07T23:30:44.894264Z","title":"Shapere and F","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.894264Z"},"links":{"cited_paper":"/paper/1202.2537","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:ec54a749f98410b88be18c543d1eb8a4b78ba33d072ef57df75638eb6505b172","observation_id":"22c417d9-de99-4736-a727-2bf0378d16fc","resolution":{"observed_at":"2026-08-07T23:30:44.894264Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1202.2539","last_updated":"2012-07-11T13:33:56Z","snapshot_observed_at":"2026-08-05T07:35:13.862988Z","submitted_at":"2012-02-12T15:57:10Z","title":"Quantum Time Crystals","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1202.2539","snapshot_observed_at":"2026-08-07T23:30:44.897538Z","title":"Wilczek, Quantum Time Crystals , Phys","venue":null,"work_id":null,"year":2012},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.897538Z"},"links":{"cited_paper":"/paper/1202.2539","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:cf1fff012b360fb984f69b4279f8d5dadddbc7b23ead30b0483a26631ffeb0e1","observation_id":"5e1c746d-a6fa-4e1f-b500-87c5a10b66b4","resolution":{"observed_at":"2026-08-07T23:30:44.897538Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1704.03735","last_updated":"2018-01-18T07:00:12Z","snapshot_observed_at":"2026-08-10T06:40:22.025056Z","submitted_at":"2017-04-12T12:47:57Z","title":"Time crystals: a review","version":5},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1704.03735","snapshot_observed_at":"2026-08-07T23:30:44.900578Z","title":"Sacha and J","venue":null,"work_id":null,"year":2018},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.900578Z"},"links":{"cited_paper":"/paper/1704.03735","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:64a867209729e6a6c1a1c9a28ef348329fe5dc2df00e01a0cd9ad80e9691c404","observation_id":"ded2b2a4-99fa-41df-a1bc-ff5a133a09e3","resolution":{"observed_at":"2026-08-07T23:30:44.900578Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/0112438","last_updated":"2001-12-19T05:19:59Z","snapshot_observed_at":"2026-07-07T00:24:11.343769Z","submitted_at":"2001-12-19T05:19:59Z","title":"Measuring the Speed of Sound of Quintessence","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/0112438","snapshot_observed_at":"2026-08-07T23:30:44.903646Z","title":null,"venue":null,"work_id":null,"year":2002},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.903646Z"},"links":{"cited_paper":"/paper/astro-ph/0112438","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:547006b2364913d108575bb34b5fc19603b156ddefcdc3f6f85060686e38153a","observation_id":"f2afcefe-aebd-4104-bc6a-763e6b6f2491","resolution":{"observed_at":"2026-08-07T23:30:44.903646Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1411.1074","last_updated":"2015-10-09T13:28:50Z","snapshot_observed_at":"2026-07-06T03:59:36.028412Z","submitted_at":"2014-11-04T21:01:19Z","title":"Cosmological implications of baryon acoustic oscillation (BAO) measurements","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1411.1074","snapshot_observed_at":"2026-08-07T23:30:44.906696Z","title":"Hlozek et al","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.906696Z"},"links":{"cited_paper":"/paper/1411.1074","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:a1b8285084225890d2d746f050304444319be13513fa22a24531acd3c796436c","observation_id":"e7429832-fb1b-4427-ad7e-852c2f426185","resolution":{"observed_at":"2026-08-07T23:30:44.906696Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.169771Z","title":"Mersini-Houghton Dark Energy from Time Crystals with referee (2024)","venue":null,"work_id":"2f42b1b5-b6ce-433f-8577-12c776460d80","year":2024},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.909907Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:6d3cad128a7ab9bffb1a7beca5c6a6d45b1896c512df4ba408f91c7feaee9700","observation_id":"98b9538e-f4ae-454b-84cf-aa2e73c40c0c","resolution":{"observed_at":"2026-08-07T23:30:45.190357Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"astro-ph/0302506","last_updated":"2003-02-25T04:43:50Z","snapshot_observed_at":"2026-08-10T06:03:37.451354Z","submitted_at":"2003-02-25T04:43:50Z","title":"Phantom Energy and Cosmic Doomsday","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"astro-ph/0302506","snapshot_observed_at":"2026-08-07T23:30:44.913458Z","title":"Caldwell, M","venue":null,"work_id":null,"year":2003},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.913458Z"},"links":{"cited_paper":"/paper/astro-ph/0302506","citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:6757172eb9413d2cfc998ba3966f0617fe55a6a38ee36f78bf9dcb1c2ef0353d","observation_id":"ac01eee0-c334-4677-a947-ea04a53cdacd","resolution":{"observed_at":"2026-08-07T23:30:44.913458Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.115109Z","title":"Jorge, J","venue":null,"work_id":"004ec2e5-7250-4a1e-b8b7-fe80d5cf265e","year":2006},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.917123Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:5ec85cb6101f246ad361ec6502028163c1a4e39556ab8ad242fce0d76b8069a3","observation_id":"10bf78cb-2270-4213-b99a-f2945fd79528","resolution":{"observed_at":"2026-08-07T23:30:45.138212Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-07T23:30:45.029748Z","title":null,"venue":null,"work_id":"fbfa025c-7f7e-4431-93dd-746ec5e4eb47","year":2016},"citing_paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-07T23:30:44.919976Z"},"links":{"citing_paper":"/paper/2502.08894"},"observation_digest":"sha256:516a391c49ddfd21cfed9af414d828363ae579beb4a16d2d8f07cd367f8e4ca0","observation_id":"47c27baf-c64c-46b6-8a3e-6e56558754c4","resolution":{"observed_at":"2026-08-07T23:30:45.069945Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"state":"measured"}}],"paper":{"arxiv_id":"2502.08894","last_updated":"2025-02-13T02:22:00Z","latest_version":1,"primary_category":"hep-th","snapshot_observed_at":"2026-08-10T12:41:51.512431Z","submitted_at":"2025-02-13T02:22:00Z","title":"The Nature of Phantom Dark Energy and its Relation to Time Crystals"},"reference_resolution":{"displayed":22,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":15,"verified_exact":0,"verified_fuzzy":7},"total_outbound_references":22},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-10T06:31:04.303077+00:00","source":"crossref"},{"observed_at":"2026-08-10T06:30:57.382061+00:00","source":"retraction_watch"}],"thesis":"As of 10 August 2026, this Paper Citation Record lists 22 of 22 outbound references and 0 inbound Pith citation observations for arXiv:2502.08894."}