{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:OOZWLY3V52RDRVW3TIOYKOHVOK","short_pith_number":"pith:OOZWLY3V","canonical_record":{"source":{"id":"1303.6298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-03-25T20:03:40Z","cross_cats_sorted":[],"title_canon_sha256":"453396799fbede3248e5af0a3716cae81b5909778dc148666cfd3f50c3f73170","abstract_canon_sha256":"776f6ba0182416e5a906b28b7c24a7e93cd3deeee0b9b3566b780ff1470a410c"},"schema_version":"1.0"},"canonical_sha256":"73b365e375eea238d6db9a1d8538f5728ee641e0551e587c16c09db399ec7271","source":{"kind":"arxiv","id":"1303.6298","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.6298","created_at":"2026-05-18T02:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1303.6298v1","created_at":"2026-05-18T02:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.6298","created_at":"2026-05-18T02:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"OOZWLY3V52RD","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OOZWLY3V52RDRVW3","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OOZWLY3V","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:OOZWLY3V52RDRVW3TIOYKOHVOK","target":"record","payload":{"canonical_record":{"source":{"id":"1303.6298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-03-25T20:03:40Z","cross_cats_sorted":[],"title_canon_sha256":"453396799fbede3248e5af0a3716cae81b5909778dc148666cfd3f50c3f73170","abstract_canon_sha256":"776f6ba0182416e5a906b28b7c24a7e93cd3deeee0b9b3566b780ff1470a410c"},"schema_version":"1.0"},"canonical_sha256":"73b365e375eea238d6db9a1d8538f5728ee641e0551e587c16c09db399ec7271","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:53.020625Z","signature_b64":"NZdixgoLKMzdZVJWmAjLP1jXvDRrIUpYavkZ/nByqFNGgSg3BdGWf+fPiO9YJrCpMG08uv69OCxzFqIwdFPmAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73b365e375eea238d6db9a1d8538f5728ee641e0551e587c16c09db399ec7271","last_reissued_at":"2026-05-18T02:57:53.020080Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:53.020080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.6298","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":"2026-05-18T02:57:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"klQMRO0g7UXTnXzXfqwjxJSp7NbghWxtA0imamVuV4mlSClkXRhNsJXqaDzZq1ll3Ybaj2U9lo8IHKrZBAa1Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:34:37.567377Z"},"content_sha256":"0b0830735c5d93073a7268d58c93978193cc46775b68a13cbfd38f2d1e0702a9","schema_version":"1.0","event_id":"sha256:0b0830735c5d93073a7268d58c93978193cc46775b68a13cbfd38f2d1e0702a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:OOZWLY3V52RDRVW3TIOYKOHVOK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extracting equation of state parameters from black hole-neutron star mergers: aligned-spin black holes and a preliminary waveform model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Benjamin D. Lackey, John L. Friedman, Koutarou Kyutoku, Masaru Shibata, Patrick R. Brady","submitted_at":"2013-03-25T20:03:40Z","abstract_excerpt":"Information about the neutron-star equation of state is encoded in the waveform of a black hole-neutron star system through tidal interactions and the possible tidal disruption of the neutron star. During the inspiral this information depends on the tidal deformability Lambda of the neutron star, and we find that Lambda is the best measured parameter during the merger and ringdown as well. We performed 134 simulations where we systematically varied the equation of state as well as the mass ratio, neutron star mass, and aligned spin of the black hole. Using these simulations we have developed a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.6298","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":"2026-05-18T02:57:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dhW5OzBnVrPcrBeTThbwE0PUbWdibu0biRV2RbPlUPpIwrMiWT+TTfVOoWH0JDxGuAvG9TZCXU9y1unVBRWdAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:34:37.567738Z"},"content_sha256":"5421506d9fa1b33b703ceb3ca6495657a04f62b46cc2af702248c29d8bb2ae03","schema_version":"1.0","event_id":"sha256:5421506d9fa1b33b703ceb3ca6495657a04f62b46cc2af702248c29d8bb2ae03"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OOZWLY3V52RDRVW3TIOYKOHVOK/bundle.json","state_url":"https://pith.science/pith/OOZWLY3V52RDRVW3TIOYKOHVOK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OOZWLY3V52RDRVW3TIOYKOHVOK/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":"2026-06-03T21:34:37Z","links":{"resolver":"https://pith.science/pith/OOZWLY3V52RDRVW3TIOYKOHVOK","bundle":"https://pith.science/pith/OOZWLY3V52RDRVW3TIOYKOHVOK/bundle.json","state":"https://pith.science/pith/OOZWLY3V52RDRVW3TIOYKOHVOK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OOZWLY3V52RDRVW3TIOYKOHVOK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:OOZWLY3V52RDRVW3TIOYKOHVOK","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":"776f6ba0182416e5a906b28b7c24a7e93cd3deeee0b9b3566b780ff1470a410c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-03-25T20:03:40Z","title_canon_sha256":"453396799fbede3248e5af0a3716cae81b5909778dc148666cfd3f50c3f73170"},"schema_version":"1.0","source":{"id":"1303.6298","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.6298","created_at":"2026-05-18T02:57:53Z"},{"alias_kind":"arxiv_version","alias_value":"1303.6298v1","created_at":"2026-05-18T02:57:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.6298","created_at":"2026-05-18T02:57:53Z"},{"alias_kind":"pith_short_12","alias_value":"OOZWLY3V52RD","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OOZWLY3V52RDRVW3","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OOZWLY3V","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:5421506d9fa1b33b703ceb3ca6495657a04f62b46cc2af702248c29d8bb2ae03","target":"graph","created_at":"2026-05-18T02:57:53Z","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":"Information about the neutron-star equation of state is encoded in the waveform of a black hole-neutron star system through tidal interactions and the possible tidal disruption of the neutron star. During the inspiral this information depends on the tidal deformability Lambda of the neutron star, and we find that Lambda is the best measured parameter during the merger and ringdown as well. We performed 134 simulations where we systematically varied the equation of state as well as the mass ratio, neutron star mass, and aligned spin of the black hole. Using these simulations we have developed a","authors_text":"Benjamin D. Lackey, John L. Friedman, Koutarou Kyutoku, Masaru Shibata, Patrick R. Brady","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-03-25T20:03:40Z","title":"Extracting equation of state parameters from black hole-neutron star mergers: aligned-spin black holes and a preliminary waveform model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.6298","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":"sha256:0b0830735c5d93073a7268d58c93978193cc46775b68a13cbfd38f2d1e0702a9","target":"record","created_at":"2026-05-18T02:57:53Z","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":"776f6ba0182416e5a906b28b7c24a7e93cd3deeee0b9b3566b780ff1470a410c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-03-25T20:03:40Z","title_canon_sha256":"453396799fbede3248e5af0a3716cae81b5909778dc148666cfd3f50c3f73170"},"schema_version":"1.0","source":{"id":"1303.6298","kind":"arxiv","version":1}},"canonical_sha256":"73b365e375eea238d6db9a1d8538f5728ee641e0551e587c16c09db399ec7271","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73b365e375eea238d6db9a1d8538f5728ee641e0551e587c16c09db399ec7271","first_computed_at":"2026-05-18T02:57:53.020080Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:53.020080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NZdixgoLKMzdZVJWmAjLP1jXvDRrIUpYavkZ/nByqFNGgSg3BdGWf+fPiO9YJrCpMG08uv69OCxzFqIwdFPmAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:53.020625Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.6298","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b0830735c5d93073a7268d58c93978193cc46775b68a13cbfd38f2d1e0702a9","sha256:5421506d9fa1b33b703ceb3ca6495657a04f62b46cc2af702248c29d8bb2ae03"],"state_sha256":"2f21778d2a07c27e58d17d5cc8cc0d56351542e89d24f348147f86449cf2e4ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XbJCdgYFc2pQZkMOPuS2BsurQLVq09nQzYMAQVt2byjTrRX1FCP8XpgVLkFnM2LdCrxz9+9PEvnIfBHWmmkMBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:34:37.569760Z","bundle_sha256":"47a6eed9b92a13f68869ae51ba32631108da8b5fbc6994b9a30a4bb1a90ceb4e"}}