{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:JGSEV77O5RMIPJ77YUUPLAJ77W","short_pith_number":"pith:JGSEV77O","canonical_record":{"source":{"id":"1006.3315","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-16T20:02:46Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"19222037d5f3368f6d90380977822dc018aaac3625eababf9f5e027123b4b987","abstract_canon_sha256":"44ed1d6419a61c1a818f86268602d3053406fba59f019fbaa12e43255c128d69"},"schema_version":"1.0"},"canonical_sha256":"49a44affeeec5887a7ffc528f5813ffd8aa1fae449a5ee3bf8087b432a0b3a25","source":{"kind":"arxiv","id":"1006.3315","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.3315","created_at":"2026-05-18T04:36:33Z"},{"alias_kind":"arxiv_version","alias_value":"1006.3315v2","created_at":"2026-05-18T04:36:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3315","created_at":"2026-05-18T04:36:33Z"},{"alias_kind":"pith_short_12","alias_value":"JGSEV77O5RMI","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JGSEV77O5RMIPJ77","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JGSEV77O","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:JGSEV77O5RMIPJ77YUUPLAJ77W","target":"record","payload":{"canonical_record":{"source":{"id":"1006.3315","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-16T20:02:46Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"19222037d5f3368f6d90380977822dc018aaac3625eababf9f5e027123b4b987","abstract_canon_sha256":"44ed1d6419a61c1a818f86268602d3053406fba59f019fbaa12e43255c128d69"},"schema_version":"1.0"},"canonical_sha256":"49a44affeeec5887a7ffc528f5813ffd8aa1fae449a5ee3bf8087b432a0b3a25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:33.602220Z","signature_b64":"8jL1apo5moI3CCDoz2WMaJNWl7ZZjJlhqQg0t0DWtL8lg1bSlek9kYMJdfKA7T82YFs/ycX2OIuViuGshA1EBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"49a44affeeec5887a7ffc528f5813ffd8aa1fae449a5ee3bf8087b432a0b3a25","last_reissued_at":"2026-05-18T04:36:33.601699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:33.601699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.3315","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":"2026-05-18T04:36:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a0EhzMkrx96aeOZ1gHmL5Kt/EHo3pm8WsMlv/KkL6UNA1mkaoNOX8y5J+zfrzQM9slePkg93Opip2Ish/RlwDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:32:34.749928Z"},"content_sha256":"263235cb05c65fb0c9e9e1f7d04289530eb4f7d943a178c7fa9d904a18365def","schema_version":"1.0","event_id":"sha256:263235cb05c65fb0c9e9e1f7d04289530eb4f7d943a178c7fa9d904a18365def"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:JGSEV77O5RMIPJ77YUUPLAJ77W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Testing Approximations of Thermal Effects in Neutron Star Merger Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.SR","authors_text":"A. Bauswein, Garching), H.-Th. Janka, R. Oechslin (Max Planck Institute for Astrophysics","submitted_at":"2010-06-16T20:02:46Z","abstract_excerpt":"We perform three-dimensional relativistic hydrodynamical calculations of neutron star mergers to assess the reliability of an approximate treatment of thermal effects in such simulations by combining an ideal-gas component with zero-temperature, micro-physical equations of state. To this end we compare the results of simulations that make this approximation to the outcome of models with a consistent treatment of thermal effects in the equation of state. In particular we focus on the implications for observable consequences of merger events like the gravitational-wave signal. It is found that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3315","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":"2026-05-18T04:36:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zl7dKtCpDNedzH5XSAXcftTrFywje34YSHjI2xxVO44XZWEkd1n2271YlxHE9lz/8HSgQZs2X1YICWam4qBlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:32:34.750444Z"},"content_sha256":"7d59e877bc58246fcec7a08fab4002bcb018a8c354d800ebf49e438f17012bf9","schema_version":"1.0","event_id":"sha256:7d59e877bc58246fcec7a08fab4002bcb018a8c354d800ebf49e438f17012bf9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGSEV77O5RMIPJ77YUUPLAJ77W/bundle.json","state_url":"https://pith.science/pith/JGSEV77O5RMIPJ77YUUPLAJ77W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGSEV77O5RMIPJ77YUUPLAJ77W/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":"2026-05-26T16:32:34Z","links":{"resolver":"https://pith.science/pith/JGSEV77O5RMIPJ77YUUPLAJ77W","bundle":"https://pith.science/pith/JGSEV77O5RMIPJ77YUUPLAJ77W/bundle.json","state":"https://pith.science/pith/JGSEV77O5RMIPJ77YUUPLAJ77W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGSEV77O5RMIPJ77YUUPLAJ77W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:JGSEV77O5RMIPJ77YUUPLAJ77W","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":"44ed1d6419a61c1a818f86268602d3053406fba59f019fbaa12e43255c128d69","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-16T20:02:46Z","title_canon_sha256":"19222037d5f3368f6d90380977822dc018aaac3625eababf9f5e027123b4b987"},"schema_version":"1.0","source":{"id":"1006.3315","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.3315","created_at":"2026-05-18T04:36:33Z"},{"alias_kind":"arxiv_version","alias_value":"1006.3315v2","created_at":"2026-05-18T04:36:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3315","created_at":"2026-05-18T04:36:33Z"},{"alias_kind":"pith_short_12","alias_value":"JGSEV77O5RMI","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JGSEV77O5RMIPJ77","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JGSEV77O","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:7d59e877bc58246fcec7a08fab4002bcb018a8c354d800ebf49e438f17012bf9","target":"graph","created_at":"2026-05-18T04:36:33Z","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":"We perform three-dimensional relativistic hydrodynamical calculations of neutron star mergers to assess the reliability of an approximate treatment of thermal effects in such simulations by combining an ideal-gas component with zero-temperature, micro-physical equations of state. To this end we compare the results of simulations that make this approximation to the outcome of models with a consistent treatment of thermal effects in the equation of state. In particular we focus on the implications for observable consequences of merger events like the gravitational-wave signal. It is found that t","authors_text":"A. Bauswein, Garching), H.-Th. Janka, R. Oechslin (Max Planck Institute for Astrophysics","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-16T20:02:46Z","title":"Testing Approximations of Thermal Effects in Neutron Star Merger Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3315","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":"sha256:263235cb05c65fb0c9e9e1f7d04289530eb4f7d943a178c7fa9d904a18365def","target":"record","created_at":"2026-05-18T04:36:33Z","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":"44ed1d6419a61c1a818f86268602d3053406fba59f019fbaa12e43255c128d69","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-16T20:02:46Z","title_canon_sha256":"19222037d5f3368f6d90380977822dc018aaac3625eababf9f5e027123b4b987"},"schema_version":"1.0","source":{"id":"1006.3315","kind":"arxiv","version":2}},"canonical_sha256":"49a44affeeec5887a7ffc528f5813ffd8aa1fae449a5ee3bf8087b432a0b3a25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"49a44affeeec5887a7ffc528f5813ffd8aa1fae449a5ee3bf8087b432a0b3a25","first_computed_at":"2026-05-18T04:36:33.601699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:33.601699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8jL1apo5moI3CCDoz2WMaJNWl7ZZjJlhqQg0t0DWtL8lg1bSlek9kYMJdfKA7T82YFs/ycX2OIuViuGshA1EBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:33.602220Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.3315","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:263235cb05c65fb0c9e9e1f7d04289530eb4f7d943a178c7fa9d904a18365def","sha256:7d59e877bc58246fcec7a08fab4002bcb018a8c354d800ebf49e438f17012bf9"],"state_sha256":"6d938feb2850b44fdfb20a616537d902efa3cc9ff0928075fd465b5dfcdff577"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IDbNMfvEfcc5qa7nf8SL0L2dIN5jF8K+0bnS2V0M0pOrsiWzvdV/LUZtxcPe3D9jsC3tEll1VC3PQQOzCdVPCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:32:34.753995Z","bundle_sha256":"3b78d6e6435e5e2231767a92031d15da6a7f1c84f96273755aced840aba91a1c"}}