{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:FMNKIBSTQSLRREBJJS5OJQBNUB","short_pith_number":"pith:FMNKIBST","canonical_record":{"source":{"id":"2412.10303","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2024-12-13T17:37:55Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"1745824f8c71bdd0a80bd2f505ba1bb63fbb66b9d17e59c5f7e6eadcfe5c1be2","abstract_canon_sha256":"b3eab1687cf686ce058987bf890f46ee0ce85b6ea7e70a97b54c6a25aa953f2f"},"schema_version":"1.0"},"canonical_sha256":"2b1aa4065384971890294cbae4c02da06f58fae3569b4245885d9f110f736c29","source":{"kind":"arxiv","id":"2412.10303","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.10303","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"arxiv_version","alias_value":"2412.10303v2","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.10303","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"pith_short_12","alias_value":"FMNKIBSTQSLR","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"pith_short_16","alias_value":"FMNKIBSTQSLRREBJ","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"pith_short_8","alias_value":"FMNKIBST","created_at":"2026-07-05T10:11:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:FMNKIBSTQSLRREBJJS5OJQBNUB","target":"record","payload":{"canonical_record":{"source":{"id":"2412.10303","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2024-12-13T17:37:55Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"1745824f8c71bdd0a80bd2f505ba1bb63fbb66b9d17e59c5f7e6eadcfe5c1be2","abstract_canon_sha256":"b3eab1687cf686ce058987bf890f46ee0ce85b6ea7e70a97b54c6a25aa953f2f"},"schema_version":"1.0"},"canonical_sha256":"2b1aa4065384971890294cbae4c02da06f58fae3569b4245885d9f110f736c29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:11:30.289851Z","signature_b64":"Cg5hYJ+5t60girAM8D+1IfrS1jMtd6Aw1J3xVFQ7k+hia5wdRDYjrDcnsQFci1CpY8YRidoxi/kdgurY+59ADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b1aa4065384971890294cbae4c02da06f58fae3569b4245885d9f110f736c29","last_reissued_at":"2026-07-05T10:11:30.289341Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:11:30.289341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.10303","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":"2026-07-05T10:11:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P83ERvPEzL9UYrDXhbLS7UL+kpXf+T7be5O+Z5pm8VYsXjpRcBoG5CNz/Dxz/wsfJV+9SJtsNddm4nGM8dEhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T07:15:55.260734Z"},"content_sha256":"84ecadd095a1d8a23cefa4c441285fd918aadfee869989c384b3e0cbdb58324b","schema_version":"1.0","event_id":"sha256:84ecadd095a1d8a23cefa4c441285fd918aadfee869989c384b3e0cbdb58324b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:FMNKIBSTQSLRREBJJS5OJQBNUB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relativistic Viscous Hydrodynamics in the Density Frame: Numerical Tests and Comparisons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"nucl-th","authors_text":"Aleksas Mazeliauskas, Derek Teaney, Fabian Zhou, Jay Bhambure, Jean-Francois Paquet, Mayank Singh, Rajeev Singh","submitted_at":"2024-12-13T17:37:55Z","abstract_excerpt":"We conduct a numerical study of relativistic viscous fluid dynamics in the Density Frame for one-dimensional fluid flows. The Density Frame is a formulation of relativistic viscous hydrodynamics that is first-order in time, requires no auxiliary fields, and has no non-hydrodynamic modes. We compare our results to QCD kinetic theory simulations and find excellent agreement within the regime of applicability of hydrodynamics. Additionally, the Density Frame results remain well-behaved and robust near the boundary of applicability. We also compare our findings to the second-order-in-time hydrodyn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.10303","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/2412.10303/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":"2026-07-05T10:11:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X/r6w07zdmrFI7JRsbtd1PYQu8CVOA2gca53mah147oK4IR0xHTVlo3Y23JeSsSaBwAI2xz4awNMKxSphlqwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T07:15:55.261235Z"},"content_sha256":"ca4330949f612cd7efde3ca555c4b966ce0f8abef69e8358bdb8c50c1efb2dea","schema_version":"1.0","event_id":"sha256:ca4330949f612cd7efde3ca555c4b966ce0f8abef69e8358bdb8c50c1efb2dea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FMNKIBSTQSLRREBJJS5OJQBNUB/bundle.json","state_url":"https://pith.science/pith/FMNKIBSTQSLRREBJJS5OJQBNUB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FMNKIBSTQSLRREBJJS5OJQBNUB/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":"2026-08-08T07:15:55Z","links":{"resolver":"https://pith.science/pith/FMNKIBSTQSLRREBJJS5OJQBNUB","bundle":"https://pith.science/pith/FMNKIBSTQSLRREBJJS5OJQBNUB/bundle.json","state":"https://pith.science/pith/FMNKIBSTQSLRREBJJS5OJQBNUB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FMNKIBSTQSLRREBJJS5OJQBNUB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:FMNKIBSTQSLRREBJJS5OJQBNUB","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":"b3eab1687cf686ce058987bf890f46ee0ce85b6ea7e70a97b54c6a25aa953f2f","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2024-12-13T17:37:55Z","title_canon_sha256":"1745824f8c71bdd0a80bd2f505ba1bb63fbb66b9d17e59c5f7e6eadcfe5c1be2"},"schema_version":"1.0","source":{"id":"2412.10303","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.10303","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"arxiv_version","alias_value":"2412.10303v2","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.10303","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"pith_short_12","alias_value":"FMNKIBSTQSLR","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"pith_short_16","alias_value":"FMNKIBSTQSLRREBJ","created_at":"2026-07-05T10:11:30Z"},{"alias_kind":"pith_short_8","alias_value":"FMNKIBST","created_at":"2026-07-05T10:11:30Z"}],"graph_snapshots":[{"event_id":"sha256:ca4330949f612cd7efde3ca555c4b966ce0f8abef69e8358bdb8c50c1efb2dea","target":"graph","created_at":"2026-07-05T10:11:30Z","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/2412.10303/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We conduct a numerical study of relativistic viscous fluid dynamics in the Density Frame for one-dimensional fluid flows. The Density Frame is a formulation of relativistic viscous hydrodynamics that is first-order in time, requires no auxiliary fields, and has no non-hydrodynamic modes. We compare our results to QCD kinetic theory simulations and find excellent agreement within the regime of applicability of hydrodynamics. Additionally, the Density Frame results remain well-behaved and robust near the boundary of applicability. We also compare our findings to the second-order-in-time hydrodyn","authors_text":"Aleksas Mazeliauskas, Derek Teaney, Fabian Zhou, Jay Bhambure, Jean-Francois Paquet, Mayank Singh, Rajeev Singh","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2024-12-13T17:37:55Z","title":"Relativistic Viscous Hydrodynamics in the Density Frame: Numerical Tests and Comparisons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.10303","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":"sha256:84ecadd095a1d8a23cefa4c441285fd918aadfee869989c384b3e0cbdb58324b","target":"record","created_at":"2026-07-05T10:11:30Z","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":"b3eab1687cf686ce058987bf890f46ee0ce85b6ea7e70a97b54c6a25aa953f2f","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2024-12-13T17:37:55Z","title_canon_sha256":"1745824f8c71bdd0a80bd2f505ba1bb63fbb66b9d17e59c5f7e6eadcfe5c1be2"},"schema_version":"1.0","source":{"id":"2412.10303","kind":"arxiv","version":2}},"canonical_sha256":"2b1aa4065384971890294cbae4c02da06f58fae3569b4245885d9f110f736c29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b1aa4065384971890294cbae4c02da06f58fae3569b4245885d9f110f736c29","first_computed_at":"2026-07-05T10:11:30.289341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:11:30.289341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cg5hYJ+5t60girAM8D+1IfrS1jMtd6Aw1J3xVFQ7k+hia5wdRDYjrDcnsQFci1CpY8YRidoxi/kdgurY+59ADQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:11:30.289851Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.10303","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84ecadd095a1d8a23cefa4c441285fd918aadfee869989c384b3e0cbdb58324b","sha256:ca4330949f612cd7efde3ca555c4b966ce0f8abef69e8358bdb8c50c1efb2dea"],"state_sha256":"e049ac1746499950930b4ee0bb4db8a1611e7d16187772aa186a99210f6658b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PFXx6D3Ikc4FFvDYZ30h8jLDB65MrZoEnNswm/jKnNID1hB6AVNROG4HQF75lbxKXQznvDsx4Jqru4iiZGEFAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T07:15:55.265224Z","bundle_sha256":"32054af4ec63150f1583f310350aa83e097e837e63331253e62b464581e33a1a"}}