{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:3MHID5BMCEQW2WDLUK23WOFA73","short_pith_number":"pith:3MHID5BM","canonical_record":{"source":{"id":"1108.2637","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-08-12T15:11:56Z","cross_cats_sorted":[],"title_canon_sha256":"6b8ee41142a86e638515a8c4bb2af8b0eae72fbf7cb8ead135ac6b8a12dd1d05","abstract_canon_sha256":"361d8216f2841c0dcd21a9d2c219ea0617382bb1cc091423c7fc5ee2dee4eb89"},"schema_version":"1.0"},"canonical_sha256":"db0e81f42c11216d586ba2b5bb38a0fed6ac47a697896bc24a624092b9b51720","source":{"kind":"arxiv","id":"1108.2637","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2637","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2637v1","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2637","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"3MHID5BMCEQW","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3MHID5BMCEQW2WDL","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3MHID5BM","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:3MHID5BMCEQW2WDLUK23WOFA73","target":"record","payload":{"canonical_record":{"source":{"id":"1108.2637","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-08-12T15:11:56Z","cross_cats_sorted":[],"title_canon_sha256":"6b8ee41142a86e638515a8c4bb2af8b0eae72fbf7cb8ead135ac6b8a12dd1d05","abstract_canon_sha256":"361d8216f2841c0dcd21a9d2c219ea0617382bb1cc091423c7fc5ee2dee4eb89"},"schema_version":"1.0"},"canonical_sha256":"db0e81f42c11216d586ba2b5bb38a0fed6ac47a697896bc24a624092b9b51720","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:54.700258Z","signature_b64":"Gi2NM5znkZunkaxaq5mCqs28Eb2Z5wnoV1hki/uKlwTzc6ER1V2QAkoD+Ly0P/PKmALwFeipBTK5aTNxuS+DCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db0e81f42c11216d586ba2b5bb38a0fed6ac47a697896bc24a624092b9b51720","last_reissued_at":"2026-05-18T02:00:54.699779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:54.699779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.2637","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A81GTLkDLhcccBzRzT+koBmDqnr4r3SRzOA2vepiaT9w6DCMoeG5lmwrTxMD8rSxCMLadfOzPvQxT+FvFTWGBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:05:30.351308Z"},"content_sha256":"f073ac1d4c49fdced39674d4ccf0a6b383f5669c3a700362e223dcb26ae94db0","schema_version":"1.0","event_id":"sha256:f073ac1d4c49fdced39674d4ccf0a6b383f5669c3a700362e223dcb26ae94db0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:3MHID5BMCEQW2WDLUK23WOFA73","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The WiggleZ Dark Energy Survey: measuring the cosmic expansion history using the Alcock-Paczynski test and distant supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Barry Madore, Ben Jelliffe, Carlos Contreras, Chris Blake, Chris Martin, David Gilbank, David Woods, Emily Wisnioski, Gregory Poole, Howard Yee, I-hui Li, Karl Forster, Karl Glazebrook, Kevin Pimbblet, Matthew Colless, Michael J. Drinkwater, Michael Pracy, Mike Gladders, Rob Sharp, Russell J. Jurek, Sarah Brough, Scott Croom, Tamara Davis, Ted Wyder, Warrick Couch","submitted_at":"2011-08-12T15:11:56Z","abstract_excerpt":"Astronomical observations suggest that today's Universe is dominated by a dark energy of unknown physical origin. One of the most notable consequences in many models is that dark energy should cause the expansion of the Universe to accelerate: but the expansion rate as a function of time has proven very difficult to measure directly. We present a new determination of the cosmic expansion history by combining distant supernovae observations with a geometrical analysis of large-scale galaxy clustering within the WiggleZ Dark Energy Survey, using the Alcock-Paczynski test to measure the distortio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2637","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iBBIJDVct4hesi7POry0jWAYS9EHyVAL51IlgA3wUdSyDYEK15kBCQgyyqMX6ggNx7yWFVassDUnjG2o4pPEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:05:30.351742Z"},"content_sha256":"c8b6d36d928e4c59f043481273b946db7a10e62688d5721c9f802521f4815272","schema_version":"1.0","event_id":"sha256:c8b6d36d928e4c59f043481273b946db7a10e62688d5721c9f802521f4815272"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3MHID5BMCEQW2WDLUK23WOFA73/bundle.json","state_url":"https://pith.science/pith/3MHID5BMCEQW2WDLUK23WOFA73/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3MHID5BMCEQW2WDLUK23WOFA73/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-03T06:05:30Z","links":{"resolver":"https://pith.science/pith/3MHID5BMCEQW2WDLUK23WOFA73","bundle":"https://pith.science/pith/3MHID5BMCEQW2WDLUK23WOFA73/bundle.json","state":"https://pith.science/pith/3MHID5BMCEQW2WDLUK23WOFA73/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3MHID5BMCEQW2WDLUK23WOFA73/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3MHID5BMCEQW2WDLUK23WOFA73","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"361d8216f2841c0dcd21a9d2c219ea0617382bb1cc091423c7fc5ee2dee4eb89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-08-12T15:11:56Z","title_canon_sha256":"6b8ee41142a86e638515a8c4bb2af8b0eae72fbf7cb8ead135ac6b8a12dd1d05"},"schema_version":"1.0","source":{"id":"1108.2637","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2637","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2637v1","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2637","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"3MHID5BMCEQW","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3MHID5BMCEQW2WDL","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3MHID5BM","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:c8b6d36d928e4c59f043481273b946db7a10e62688d5721c9f802521f4815272","target":"graph","created_at":"2026-05-18T02:00:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Astronomical observations suggest that today's Universe is dominated by a dark energy of unknown physical origin. One of the most notable consequences in many models is that dark energy should cause the expansion of the Universe to accelerate: but the expansion rate as a function of time has proven very difficult to measure directly. We present a new determination of the cosmic expansion history by combining distant supernovae observations with a geometrical analysis of large-scale galaxy clustering within the WiggleZ Dark Energy Survey, using the Alcock-Paczynski test to measure the distortio","authors_text":"Barry Madore, Ben Jelliffe, Carlos Contreras, Chris Blake, Chris Martin, David Gilbank, David Woods, Emily Wisnioski, Gregory Poole, Howard Yee, I-hui Li, Karl Forster, Karl Glazebrook, Kevin Pimbblet, Matthew Colless, Michael J. Drinkwater, Michael Pracy, Mike Gladders, Rob Sharp, Russell J. Jurek, Sarah Brough, Scott Croom, Tamara Davis, Ted Wyder, Warrick Couch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-08-12T15:11:56Z","title":"The WiggleZ Dark Energy Survey: measuring the cosmic expansion history using the Alcock-Paczynski test and distant supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2637","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f073ac1d4c49fdced39674d4ccf0a6b383f5669c3a700362e223dcb26ae94db0","target":"record","created_at":"2026-05-18T02:00:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"361d8216f2841c0dcd21a9d2c219ea0617382bb1cc091423c7fc5ee2dee4eb89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-08-12T15:11:56Z","title_canon_sha256":"6b8ee41142a86e638515a8c4bb2af8b0eae72fbf7cb8ead135ac6b8a12dd1d05"},"schema_version":"1.0","source":{"id":"1108.2637","kind":"arxiv","version":1}},"canonical_sha256":"db0e81f42c11216d586ba2b5bb38a0fed6ac47a697896bc24a624092b9b51720","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db0e81f42c11216d586ba2b5bb38a0fed6ac47a697896bc24a624092b9b51720","first_computed_at":"2026-05-18T02:00:54.699779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:54.699779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Gi2NM5znkZunkaxaq5mCqs28Eb2Z5wnoV1hki/uKlwTzc6ER1V2QAkoD+Ly0P/PKmALwFeipBTK5aTNxuS+DCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:54.700258Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.2637","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f073ac1d4c49fdced39674d4ccf0a6b383f5669c3a700362e223dcb26ae94db0","sha256:c8b6d36d928e4c59f043481273b946db7a10e62688d5721c9f802521f4815272"],"state_sha256":"403b72fcd535d35c17944d3ce85a76d8549cee75199f42f80dfbe5cd80d42b1e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MOuipR5849IYD9GFaJ3HBMuUKqc3qTFSghQGHkyfWQ6dvBu4whGP1ozRv5EZnFaJ8PDgxCogQaubsUt3Gy4UBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:05:30.353842Z","bundle_sha256":"26d991f213bd29d7f503f3c6073a8e6777c985b2fc6bd542ad65d4eda38e5426"}}