{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:MH2CNF6PIWT244RLH33WTARD2S","short_pith_number":"pith:MH2CNF6P","canonical_record":{"source":{"id":"gr-qc/0111005","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2001-11-02T17:48:18Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"4eac733d3826741544b16b4a0d9eafb5716cc1799003de9b9ddd058035a8ba87","abstract_canon_sha256":"e4bb175c0bc6aa2260ba40fc1994ca1ffec0f5e329cfde08537d17ebefcf173a"},"schema_version":"1.0"},"canonical_sha256":"61f42697cf45a7ae722b3ef7698223d483221d9002242be1df2e9465615d569d","source":{"kind":"arxiv","id":"gr-qc/0111005","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0111005","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0111005v3","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0111005","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"pith_short_12","alias_value":"MH2CNF6PIWT2","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"MH2CNF6PIWT244RL","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"MH2CNF6P","created_at":"2026-07-04T16:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:MH2CNF6PIWT244RLH33WTARD2S","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0111005","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2001-11-02T17:48:18Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"4eac733d3826741544b16b4a0d9eafb5716cc1799003de9b9ddd058035a8ba87","abstract_canon_sha256":"e4bb175c0bc6aa2260ba40fc1994ca1ffec0f5e329cfde08537d17ebefcf173a"},"schema_version":"1.0"},"canonical_sha256":"61f42697cf45a7ae722b3ef7698223d483221d9002242be1df2e9465615d569d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:26:58.949229Z","signature_b64":"e5CyPBQQNxVlL9sJM7s7+KkQ+cXFD2OCxbujmu8ksxPEXceEOrwNoBlH8/mP/vjihPXmTOEP8/4Ce9NLJm/HBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61f42697cf45a7ae722b3ef7698223d483221d9002242be1df2e9465615d569d","last_reissued_at":"2026-07-04T16:26:58.948857Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:26:58.948857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0111005","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:26:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZKrEWhAmHdWHvq4UL99so7a1u/aBtL5IcYjFjVN+22jxJorHqxmlzavu3VYhvYDzp7WwVOUQimM6hDVt/v7/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:27:04.840812Z"},"content_sha256":"f9bb0d0a5be1afa88f22ae4714c96a8227eea4186a07bf0ead1e6273abb12704","schema_version":"1.0","event_id":"sha256:f9bb0d0a5be1afa88f22ae4714c96a8227eea4186a07bf0ead1e6273abb12704"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:MH2CNF6PIWT244RLH33WTARD2S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Conformally Flat Smoothed Particle Hydrodynamics: Application to Neutron Star Mergers","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"Friederich-Karl Thielemann, Roland Oechslin, Stephan Rosswog","submitted_at":"2001-11-02T17:48:18Z","abstract_excerpt":"We present a new 3D SPH code which solves the general relativistic field + hydrodynamics equations in the conformally flat approximation. Several test cases are considered to test different aspects of the code. We finally apply then the code to the coalescence of a neutron star binary system. The neutron stars are modeled by a polytropic equation of state (EoS) with adiabatic indices $\\Gamma=2.0$, $\\Gamma=2.6$ and $\\Gamma=3.0$. We calculate the gravitational wave signals, luminosities and frequency spectra by employing the quadrupole approximation for emission and back reaction in the slow mot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0111005","kind":"arxiv","version":3},"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/gr-qc/0111005/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":"2026-07-04T16:26:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eocsbq8oWCvcP5XmiT3TkixmjX3gZG6psWF6EgEZhaSLhKoEYBci91iD8N8YHNTVGeT5B4lzlR5ACASpPESnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T17:27:04.841322Z"},"content_sha256":"0a510ff7dcb87a018eebcce145fb216b007fef7638cc726003698923a3cfc185","schema_version":"1.0","event_id":"sha256:0a510ff7dcb87a018eebcce145fb216b007fef7638cc726003698923a3cfc185"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MH2CNF6PIWT244RLH33WTARD2S/bundle.json","state_url":"https://pith.science/pith/MH2CNF6PIWT244RLH33WTARD2S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MH2CNF6PIWT244RLH33WTARD2S/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":"2026-08-08T17:27:04Z","links":{"resolver":"https://pith.science/pith/MH2CNF6PIWT244RLH33WTARD2S","bundle":"https://pith.science/pith/MH2CNF6PIWT244RLH33WTARD2S/bundle.json","state":"https://pith.science/pith/MH2CNF6PIWT244RLH33WTARD2S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MH2CNF6PIWT244RLH33WTARD2S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:MH2CNF6PIWT244RLH33WTARD2S","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":"e4bb175c0bc6aa2260ba40fc1994ca1ffec0f5e329cfde08537d17ebefcf173a","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2001-11-02T17:48:18Z","title_canon_sha256":"4eac733d3826741544b16b4a0d9eafb5716cc1799003de9b9ddd058035a8ba87"},"schema_version":"1.0","source":{"id":"gr-qc/0111005","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0111005","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0111005v3","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0111005","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"pith_short_12","alias_value":"MH2CNF6PIWT2","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"MH2CNF6PIWT244RL","created_at":"2026-07-04T16:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"MH2CNF6P","created_at":"2026-07-04T16:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:0a510ff7dcb87a018eebcce145fb216b007fef7638cc726003698923a3cfc185","target":"graph","created_at":"2026-07-04T16:26:58Z","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/gr-qc/0111005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a new 3D SPH code which solves the general relativistic field + hydrodynamics equations in the conformally flat approximation. Several test cases are considered to test different aspects of the code. We finally apply then the code to the coalescence of a neutron star binary system. The neutron stars are modeled by a polytropic equation of state (EoS) with adiabatic indices $\\Gamma=2.0$, $\\Gamma=2.6$ and $\\Gamma=3.0$. We calculate the gravitational wave signals, luminosities and frequency spectra by employing the quadrupole approximation for emission and back reaction in the slow mot","authors_text":"Friederich-Karl Thielemann, Roland Oechslin, Stephan Rosswog","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2001-11-02T17:48:18Z","title":"Conformally Flat Smoothed Particle Hydrodynamics: Application to Neutron Star Mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0111005","kind":"arxiv","version":3},"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:f9bb0d0a5be1afa88f22ae4714c96a8227eea4186a07bf0ead1e6273abb12704","target":"record","created_at":"2026-07-04T16:26:58Z","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":"e4bb175c0bc6aa2260ba40fc1994ca1ffec0f5e329cfde08537d17ebefcf173a","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2001-11-02T17:48:18Z","title_canon_sha256":"4eac733d3826741544b16b4a0d9eafb5716cc1799003de9b9ddd058035a8ba87"},"schema_version":"1.0","source":{"id":"gr-qc/0111005","kind":"arxiv","version":3}},"canonical_sha256":"61f42697cf45a7ae722b3ef7698223d483221d9002242be1df2e9465615d569d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61f42697cf45a7ae722b3ef7698223d483221d9002242be1df2e9465615d569d","first_computed_at":"2026-07-04T16:26:58.948857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:26:58.948857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e5CyPBQQNxVlL9sJM7s7+KkQ+cXFD2OCxbujmu8ksxPEXceEOrwNoBlH8/mP/vjihPXmTOEP8/4Ce9NLJm/HBg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:26:58.949229Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0111005","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9bb0d0a5be1afa88f22ae4714c96a8227eea4186a07bf0ead1e6273abb12704","sha256:0a510ff7dcb87a018eebcce145fb216b007fef7638cc726003698923a3cfc185"],"state_sha256":"c3f6a38c044797149cbf68fb89200effe203959a9c1ee0a87c46a26668df9b33"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pXuaELQgNxu2S/J3C3ryIziJfnWBzgjb7JlqD1/5BDkJoqK8DimFCr8jmaT189pPyy2fbQnyMvgCFbgZRAsyAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T17:27:04.845888Z","bundle_sha256":"77e19c114ac71283b1b2940ec88d2a25f186cbfc48a1a8c4015776b45bbb7c15"}}