{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3S5TUCPVVUF7Y5XPU4PQBR75FX","short_pith_number":"pith:3S5TUCPV","canonical_record":{"source":{"id":"1804.11122","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-30T11:11:49Z","cross_cats_sorted":["gr-qc","physics.atom-ph","physics.ins-det"],"title_canon_sha256":"0adc77c56bf96ad8b8ed668da12e14646bcaf51070b921f6730ab6543317d5cb","abstract_canon_sha256":"b6121937d3cf4437182d7df2acd9f08b00055bb81bad912984261fc6ad0c031b"},"schema_version":"1.0"},"canonical_sha256":"dcbb3a09f5ad0bfc76efa71f00c7fd2dec1dd277bee80b1ecebb49efa35a9c28","source":{"kind":"arxiv","id":"1804.11122","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.11122","created_at":"2026-05-18T00:09:52Z"},{"alias_kind":"arxiv_version","alias_value":"1804.11122v2","created_at":"2026-05-18T00:09:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11122","created_at":"2026-05-18T00:09:52Z"},{"alias_kind":"pith_short_12","alias_value":"3S5TUCPVVUF7","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"3S5TUCPVVUF7Y5XP","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"3S5TUCPV","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3S5TUCPVVUF7Y5XPU4PQBR75FX","target":"record","payload":{"canonical_record":{"source":{"id":"1804.11122","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-30T11:11:49Z","cross_cats_sorted":["gr-qc","physics.atom-ph","physics.ins-det"],"title_canon_sha256":"0adc77c56bf96ad8b8ed668da12e14646bcaf51070b921f6730ab6543317d5cb","abstract_canon_sha256":"b6121937d3cf4437182d7df2acd9f08b00055bb81bad912984261fc6ad0c031b"},"schema_version":"1.0"},"canonical_sha256":"dcbb3a09f5ad0bfc76efa71f00c7fd2dec1dd277bee80b1ecebb49efa35a9c28","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:52.305602Z","signature_b64":"Vi1PUjkcmZ9eMFND719oSg0NqU8cQOS+FrCm9wYa62JF3SDHUys92hswpbrG7TluhMSvN79gVqtO4HotBIxtDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcbb3a09f5ad0bfc76efa71f00c7fd2dec1dd277bee80b1ecebb49efa35a9c28","last_reissued_at":"2026-05-18T00:09:52.304846Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:52.304846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.11122","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:09:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y6DWhSxB14L9Isn5w1MCEtiHlr98bqHF0cFwFKkJFNx8s8TPIqgH62llli+Ch+tycjADPq/PJHYb/05H6pcCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T20:53:42.008519Z"},"content_sha256":"6924897b22af6bab08122381aa5e6b5ecff59f94107bf9e57661027a214f409a","schema_version":"1.0","event_id":"sha256:6924897b22af6bab08122381aa5e6b5ecff59f94107bf9e57661027a214f409a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3S5TUCPVVUF7Y5XPU4PQBR75FX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamical response of Bose-Einstein condensates to oscillating gravitational fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","physics.atom-ph","physics.ins-det"],"primary_cat":"quant-ph","authors_text":"Dennis R\\\"atzel, Ivette Fuentes, Joel Lindkvist, Richard Howl","submitted_at":"2018-04-30T11:11:49Z","abstract_excerpt":"A description of the dynamical response of uniformly trapped Bose-Einstein condensates (BECs) to oscillating external gravitational fields is developed, with the inclusion of damping. Two different effects that can lead to the creation of phonons in the BEC are identified; direct driving and parametric driving. Additionally, the oscillating gravitational field couples phonon modes, which can lead to the transition of excitations between modes. The special case of the gravitational field of a small, oscillating sphere located closely to the BEC is considered. It is shown that measurement of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11122","kind":"arxiv","version":2},"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":"2026-05-18T00:09:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nLQDS2VhGhZLZKh6VnEj2H+MQUPSM6T1Hi1E+/lUOegaaJ2Q2ghDR0O+hyHcH3wCgh/7caXxirwYB4EwiSOSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T20:53:42.008862Z"},"content_sha256":"539bf984e61ee3278804bd187d1afd5d6b20c908e868268a9a220617e84bd993","schema_version":"1.0","event_id":"sha256:539bf984e61ee3278804bd187d1afd5d6b20c908e868268a9a220617e84bd993"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX/bundle.json","state_url":"https://pith.science/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX/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":"2026-07-03T20:53:42Z","links":{"resolver":"https://pith.science/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX","bundle":"https://pith.science/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX/bundle.json","state":"https://pith.science/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3S5TUCPVVUF7Y5XPU4PQBR75FX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3S5TUCPVVUF7Y5XPU4PQBR75FX","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":"b6121937d3cf4437182d7df2acd9f08b00055bb81bad912984261fc6ad0c031b","cross_cats_sorted":["gr-qc","physics.atom-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-30T11:11:49Z","title_canon_sha256":"0adc77c56bf96ad8b8ed668da12e14646bcaf51070b921f6730ab6543317d5cb"},"schema_version":"1.0","source":{"id":"1804.11122","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.11122","created_at":"2026-05-18T00:09:52Z"},{"alias_kind":"arxiv_version","alias_value":"1804.11122v2","created_at":"2026-05-18T00:09:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.11122","created_at":"2026-05-18T00:09:52Z"},{"alias_kind":"pith_short_12","alias_value":"3S5TUCPVVUF7","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"3S5TUCPVVUF7Y5XP","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"3S5TUCPV","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:539bf984e61ee3278804bd187d1afd5d6b20c908e868268a9a220617e84bd993","target":"graph","created_at":"2026-05-18T00:09:52Z","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":"A description of the dynamical response of uniformly trapped Bose-Einstein condensates (BECs) to oscillating external gravitational fields is developed, with the inclusion of damping. Two different effects that can lead to the creation of phonons in the BEC are identified; direct driving and parametric driving. Additionally, the oscillating gravitational field couples phonon modes, which can lead to the transition of excitations between modes. The special case of the gravitational field of a small, oscillating sphere located closely to the BEC is considered. It is shown that measurement of the","authors_text":"Dennis R\\\"atzel, Ivette Fuentes, Joel Lindkvist, Richard Howl","cross_cats":["gr-qc","physics.atom-ph","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-30T11:11:49Z","title":"Dynamical response of Bose-Einstein condensates to oscillating gravitational fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.11122","kind":"arxiv","version":2},"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":"sha256:6924897b22af6bab08122381aa5e6b5ecff59f94107bf9e57661027a214f409a","target":"record","created_at":"2026-05-18T00:09:52Z","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":"b6121937d3cf4437182d7df2acd9f08b00055bb81bad912984261fc6ad0c031b","cross_cats_sorted":["gr-qc","physics.atom-ph","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-04-30T11:11:49Z","title_canon_sha256":"0adc77c56bf96ad8b8ed668da12e14646bcaf51070b921f6730ab6543317d5cb"},"schema_version":"1.0","source":{"id":"1804.11122","kind":"arxiv","version":2}},"canonical_sha256":"dcbb3a09f5ad0bfc76efa71f00c7fd2dec1dd277bee80b1ecebb49efa35a9c28","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcbb3a09f5ad0bfc76efa71f00c7fd2dec1dd277bee80b1ecebb49efa35a9c28","first_computed_at":"2026-05-18T00:09:52.304846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:52.304846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vi1PUjkcmZ9eMFND719oSg0NqU8cQOS+FrCm9wYa62JF3SDHUys92hswpbrG7TluhMSvN79gVqtO4HotBIxtDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:52.305602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.11122","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6924897b22af6bab08122381aa5e6b5ecff59f94107bf9e57661027a214f409a","sha256:539bf984e61ee3278804bd187d1afd5d6b20c908e868268a9a220617e84bd993"],"state_sha256":"fab44127ac6ec9af12d2c51b694ebdfe06e9afa3260a2f6757407242dcd2707c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UDF0W7opbSDUMhOqbLkPllpIla3UpmAhsW2qNSPnZcNLYDzrxwxKFBMOK34N/oPxFBQEXCQIq4HmP4EOhUlUDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T20:53:42.010997Z","bundle_sha256":"5d8198c25616d0697fa6770c2288c59450ed02e76874e139a7de3ed0839951a4"}}