{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:54NKGBFHMK5QHFVDPCR6LCPFFF","short_pith_number":"pith:54NKGBFH","canonical_record":{"source":{"id":"1310.3872","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-10-14T22:23:07Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a4d7a1dd17d3dd5bfb4264ca49485b1d90ffdaebf0b8cc188b515617c69b06dc","abstract_canon_sha256":"8cb61f120e38cccf2c3acb03556967fd123a92db8886f74cbaae9b086e63dc26"},"schema_version":"1.0"},"canonical_sha256":"ef1aa304a762bb0396a378a3e589e5294b8dabc825b022d13f422e7110cc7993","source":{"kind":"arxiv","id":"1310.3872","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3872","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3872v1","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3872","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"54NKGBFHMK5Q","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"54NKGBFHMK5QHFVD","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"54NKGBFH","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:54NKGBFHMK5QHFVDPCR6LCPFFF","target":"record","payload":{"canonical_record":{"source":{"id":"1310.3872","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-10-14T22:23:07Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a4d7a1dd17d3dd5bfb4264ca49485b1d90ffdaebf0b8cc188b515617c69b06dc","abstract_canon_sha256":"8cb61f120e38cccf2c3acb03556967fd123a92db8886f74cbaae9b086e63dc26"},"schema_version":"1.0"},"canonical_sha256":"ef1aa304a762bb0396a378a3e589e5294b8dabc825b022d13f422e7110cc7993","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:05.534525Z","signature_b64":"GpQUAaVWdz/Eaioem45BngUXsdPzyYq75/bBknxl3Qfa6HMR9xdUOK2/JWm2B/HIDLyMFADWZzmHQQdn9upCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef1aa304a762bb0396a378a3e589e5294b8dabc825b022d13f422e7110cc7993","last_reissued_at":"2026-05-18T01:47:05.533935Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:05.533935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.3872","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":"2026-05-18T01:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ssrRjyBIoYMlVUBBKhWzKnNhJEvQKQNCRmSBeEfY9dsqscWTGU7FFB3rWGZM/rUReAfwZG0AQcuEdUcaCCp0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:14:00.131292Z"},"content_sha256":"d78a351fa3b820c34953877a004eae8b670dd6def4952f2a1c5620e517fcd3eb","schema_version":"1.0","event_id":"sha256:d78a351fa3b820c34953877a004eae8b670dd6def4952f2a1c5620e517fcd3eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:54NKGBFHMK5QHFVDPCR6LCPFFF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coarse Graining in Hydrodynamics and Effects of Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"T. Kodama, T. Koide","submitted_at":"2013-10-14T22:23:07Z","abstract_excerpt":"We address the physical meaning of hydrodynamic approach related with the coarse graining scale in the frame work of variational formulation. We point out that the local thermal equilibrium does not necessarily play a critical role in the description of the collective flow patterns. We further show that the effect of viscosity is also formulated in the form of the variational method including fluctuations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3872","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":"2026-05-18T01:47:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dltSbs0zVxX/mNuc7TgtX40BZGwdYXOnCVsjgVDf1TlQ+n9Xymf3XRdkkj+r62mapiYu60JrMoqegj7nIc5jCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:14:00.131734Z"},"content_sha256":"461605dee0b8f9f9bbd1e8ba3e3533e7ffc4b6f78a62b485ad003ffed8fca489","schema_version":"1.0","event_id":"sha256:461605dee0b8f9f9bbd1e8ba3e3533e7ffc4b6f78a62b485ad003ffed8fca489"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/54NKGBFHMK5QHFVDPCR6LCPFFF/bundle.json","state_url":"https://pith.science/pith/54NKGBFHMK5QHFVDPCR6LCPFFF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/54NKGBFHMK5QHFVDPCR6LCPFFF/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":"2026-08-05T07:14:00Z","links":{"resolver":"https://pith.science/pith/54NKGBFHMK5QHFVDPCR6LCPFFF","bundle":"https://pith.science/pith/54NKGBFHMK5QHFVDPCR6LCPFFF/bundle.json","state":"https://pith.science/pith/54NKGBFHMK5QHFVDPCR6LCPFFF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/54NKGBFHMK5QHFVDPCR6LCPFFF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:54NKGBFHMK5QHFVDPCR6LCPFFF","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":"8cb61f120e38cccf2c3acb03556967fd123a92db8886f74cbaae9b086e63dc26","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-10-14T22:23:07Z","title_canon_sha256":"a4d7a1dd17d3dd5bfb4264ca49485b1d90ffdaebf0b8cc188b515617c69b06dc"},"schema_version":"1.0","source":{"id":"1310.3872","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.3872","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"arxiv_version","alias_value":"1310.3872v1","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.3872","created_at":"2026-05-18T01:47:05Z"},{"alias_kind":"pith_short_12","alias_value":"54NKGBFHMK5Q","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"54NKGBFHMK5QHFVD","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"54NKGBFH","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:461605dee0b8f9f9bbd1e8ba3e3533e7ffc4b6f78a62b485ad003ffed8fca489","target":"graph","created_at":"2026-05-18T01:47:05Z","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 address the physical meaning of hydrodynamic approach related with the coarse graining scale in the frame work of variational formulation. We point out that the local thermal equilibrium does not necessarily play a critical role in the description of the collective flow patterns. We further show that the effect of viscosity is also formulated in the form of the variational method including fluctuations.","authors_text":"T. Kodama, T. Koide","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-10-14T22:23:07Z","title":"Coarse Graining in Hydrodynamics and Effects of Fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.3872","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:d78a351fa3b820c34953877a004eae8b670dd6def4952f2a1c5620e517fcd3eb","target":"record","created_at":"2026-05-18T01:47:05Z","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":"8cb61f120e38cccf2c3acb03556967fd123a92db8886f74cbaae9b086e63dc26","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2013-10-14T22:23:07Z","title_canon_sha256":"a4d7a1dd17d3dd5bfb4264ca49485b1d90ffdaebf0b8cc188b515617c69b06dc"},"schema_version":"1.0","source":{"id":"1310.3872","kind":"arxiv","version":1}},"canonical_sha256":"ef1aa304a762bb0396a378a3e589e5294b8dabc825b022d13f422e7110cc7993","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef1aa304a762bb0396a378a3e589e5294b8dabc825b022d13f422e7110cc7993","first_computed_at":"2026-05-18T01:47:05.533935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:05.533935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GpQUAaVWdz/Eaioem45BngUXsdPzyYq75/bBknxl3Qfa6HMR9xdUOK2/JWm2B/HIDLyMFADWZzmHQQdn9upCAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:05.534525Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.3872","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d78a351fa3b820c34953877a004eae8b670dd6def4952f2a1c5620e517fcd3eb","sha256:461605dee0b8f9f9bbd1e8ba3e3533e7ffc4b6f78a62b485ad003ffed8fca489"],"state_sha256":"ce83d1ed348df187770d385003bc5e9f6669f67fe6a9c1636c33c78c0c03d1f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qT8vqBQgeuet22T+1mUNCtBhj2V5owgoguDk1LzjcheLv29o/a5ND8F6uGtcKdFsY6DPxctSI+CmcdEhxgc0AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:14:00.135001Z","bundle_sha256":"6d4b15171bcbd29730b71393dc45928690f1c882e837a7c2edf8d5724144bde1"}}