{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:TCF6DUKVLHVU6JE2QOURXU762O","short_pith_number":"pith:TCF6DUKV","canonical_record":{"source":{"id":"2503.20877","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-03-26T18:00:09Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"8b210c4c8739510f51f0ed462958704153ba916997ca66397364dfa90243bd85","abstract_canon_sha256":"56f48cfb6cf55d40032866b161ae7654ca3d4195b96874846af10c1a03a97c9b"},"schema_version":"1.0"},"canonical_sha256":"988be1d15559eb4f249a83a91bd3fed382f666042e5ed988f4bc3bb0b2a3b9a0","source":{"kind":"arxiv","id":"2503.20877","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.20877","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"arxiv_version","alias_value":"2503.20877v2","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.20877","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"pith_short_12","alias_value":"TCF6DUKVLHVU","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"pith_short_16","alias_value":"TCF6DUKVLHVU6JE2","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"pith_short_8","alias_value":"TCF6DUKV","created_at":"2026-07-05T11:23:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:TCF6DUKVLHVU6JE2QOURXU762O","target":"record","payload":{"canonical_record":{"source":{"id":"2503.20877","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-03-26T18:00:09Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"8b210c4c8739510f51f0ed462958704153ba916997ca66397364dfa90243bd85","abstract_canon_sha256":"56f48cfb6cf55d40032866b161ae7654ca3d4195b96874846af10c1a03a97c9b"},"schema_version":"1.0"},"canonical_sha256":"988be1d15559eb4f249a83a91bd3fed382f666042e5ed988f4bc3bb0b2a3b9a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:23:26.155496Z","signature_b64":"859/r56j7HfSRLPZfmegZinBls4IvNl1FIDjAgZmPNTL0+0MRFpHrmtCtzG2tryoXUVgpRUJB68zljMzWXyDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"988be1d15559eb4f249a83a91bd3fed382f666042e5ed988f4bc3bb0b2a3b9a0","last_reissued_at":"2026-07-05T11:23:26.154866Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:23:26.154866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.20877","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":"2026-07-05T11:23:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PnZHZwz81AET1/iCT5OmHUNv+NGJ9KQSPZQk/TNNnSx8olBxO32tDmOH0Ena5I67NYV9nDMTeyclHtAcgx7GCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:04:27.222755Z"},"content_sha256":"f708bded7ee6cc38fdd102976341deae22a7d38ff5681b453c1544bca60c8536","schema_version":"1.0","event_id":"sha256:f708bded7ee6cc38fdd102976341deae22a7d38ff5681b453c1544bca60c8536"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:TCF6DUKVLHVU6JE2QOURXU762O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Postmerger: a new and dominant contribution to the gravitational-wave background from binary neutron stars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Irina Dvorkin, L\\'eonard Lehoucq, Luciano Rezzolla","submitted_at":"2025-03-26T18:00:09Z","abstract_excerpt":"The stochastic gravitational-wave background (SGWB) generated by the inspiral and merger of binary neutron stars is traditionally modelled assuming that the inspiral is promptly followed by the collapse of the merger remnant to a rotating black hole. While this is reasonable for the most massive binaries, it is not what is expected in general, as the remnant may survive for up to hundreds of milliseconds and radiate an amount of energy that is significantly larger than that lost during the whole inspiral. To account for this additional contribution to the SGWB, we consider a waveform model tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.20877","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2503.20877/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:23:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wbRyoXsMgk4XnJ25mYMBYr6DvIS6u3blCrK7p9FAhqQhuDkFHfMnyterFKZwuNHIaDO2pHOmGddOqw/g4AbQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:04:27.223272Z"},"content_sha256":"eee48f4f6f673a2a805a41cc8ae6ad60fbd4867fc24508991c6fccfcc8fbde52","schema_version":"1.0","event_id":"sha256:eee48f4f6f673a2a805a41cc8ae6ad60fbd4867fc24508991c6fccfcc8fbde52"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TCF6DUKVLHVU6JE2QOURXU762O/bundle.json","state_url":"https://pith.science/pith/TCF6DUKVLHVU6JE2QOURXU762O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TCF6DUKVLHVU6JE2QOURXU762O/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":"2026-08-04T14:04:27Z","links":{"resolver":"https://pith.science/pith/TCF6DUKVLHVU6JE2QOURXU762O","bundle":"https://pith.science/pith/TCF6DUKVLHVU6JE2QOURXU762O/bundle.json","state":"https://pith.science/pith/TCF6DUKVLHVU6JE2QOURXU762O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TCF6DUKVLHVU6JE2QOURXU762O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:TCF6DUKVLHVU6JE2QOURXU762O","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":"56f48cfb6cf55d40032866b161ae7654ca3d4195b96874846af10c1a03a97c9b","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-03-26T18:00:09Z","title_canon_sha256":"8b210c4c8739510f51f0ed462958704153ba916997ca66397364dfa90243bd85"},"schema_version":"1.0","source":{"id":"2503.20877","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.20877","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"arxiv_version","alias_value":"2503.20877v2","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.20877","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"pith_short_12","alias_value":"TCF6DUKVLHVU","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"pith_short_16","alias_value":"TCF6DUKVLHVU6JE2","created_at":"2026-07-05T11:23:26Z"},{"alias_kind":"pith_short_8","alias_value":"TCF6DUKV","created_at":"2026-07-05T11:23:26Z"}],"graph_snapshots":[{"event_id":"sha256:eee48f4f6f673a2a805a41cc8ae6ad60fbd4867fc24508991c6fccfcc8fbde52","target":"graph","created_at":"2026-07-05T11:23:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2503.20877/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The stochastic gravitational-wave background (SGWB) generated by the inspiral and merger of binary neutron stars is traditionally modelled assuming that the inspiral is promptly followed by the collapse of the merger remnant to a rotating black hole. While this is reasonable for the most massive binaries, it is not what is expected in general, as the remnant may survive for up to hundreds of milliseconds and radiate an amount of energy that is significantly larger than that lost during the whole inspiral. To account for this additional contribution to the SGWB, we consider a waveform model tha","authors_text":"Irina Dvorkin, L\\'eonard Lehoucq, Luciano Rezzolla","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-03-26T18:00:09Z","title":"Postmerger: a new and dominant contribution to the gravitational-wave background from binary neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.20877","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:f708bded7ee6cc38fdd102976341deae22a7d38ff5681b453c1544bca60c8536","target":"record","created_at":"2026-07-05T11:23:26Z","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":"56f48cfb6cf55d40032866b161ae7654ca3d4195b96874846af10c1a03a97c9b","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-03-26T18:00:09Z","title_canon_sha256":"8b210c4c8739510f51f0ed462958704153ba916997ca66397364dfa90243bd85"},"schema_version":"1.0","source":{"id":"2503.20877","kind":"arxiv","version":2}},"canonical_sha256":"988be1d15559eb4f249a83a91bd3fed382f666042e5ed988f4bc3bb0b2a3b9a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"988be1d15559eb4f249a83a91bd3fed382f666042e5ed988f4bc3bb0b2a3b9a0","first_computed_at":"2026-07-05T11:23:26.154866Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:23:26.154866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"859/r56j7HfSRLPZfmegZinBls4IvNl1FIDjAgZmPNTL0+0MRFpHrmtCtzG2tryoXUVgpRUJB68zljMzWXyDCw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:23:26.155496Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.20877","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f708bded7ee6cc38fdd102976341deae22a7d38ff5681b453c1544bca60c8536","sha256:eee48f4f6f673a2a805a41cc8ae6ad60fbd4867fc24508991c6fccfcc8fbde52"],"state_sha256":"1d273cb5e9620efd2613df446afd2ba8300810355e3fabd641a92aedc0d42474"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"23JKHPCWeq6kM0nFduNTC1AMilUXduPb9naLyVpc3IwjPyIHmN6vOObJb4NdUMyE32PIg0QPE0p/vgp/1N31Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:04:27.228634Z","bundle_sha256":"8b1316c4664a87e04171b20788be7e3a5ae537e794b9cc4c4dbeddfd141b482b"}}