{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SBRYIJD2IE5DPNE5YUH6UBBK4U","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":"bbd69c05aebe39926ad160150a1d4103a6bff1155e6da8b21772f62b55f532c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T16:24:38Z","title_canon_sha256":"1e8f55659b89ca3541199ffaf95a0364947b3b182155cb5753a4b242e6e5a2c5"},"schema_version":"1.0","source":{"id":"2605.21359","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21359","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21359v1","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21359","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"SBRYIJD2IE5D","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"pith_short_16","alias_value":"SBRYIJD2IE5DPNE5","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"pith_short_8","alias_value":"SBRYIJD2","created_at":"2026-05-21T02:05:30Z"}],"graph_snapshots":[{"event_id":"sha256:afa78cb553d266ca34abc933027efd3b46180fe1f90f9f49cc70c567c67ac554","target":"graph","created_at":"2026-05-21T02:05:30Z","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/2605.21359/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"All standard formulations of relativistic dissipative hydrodynamics, from Eckart through Israel-Stewart to the recent BDNK framework, assume that the viscous stress depends on the shear tensor $\\sigma_{\\alpha\\beta}$ and the expansion scalar $\\theta$ but not on the vorticity $\\omega_{\\alpha\\beta}$ or the acceleration $a_\\alpha$. We derive this structure from a Lagrangian kinematic construction on Lorentzian spacetimes, extending a recent result on Riemannian manifolds. The spatial strain rate, constructed from the rate of change of spatial inner products of Lie-dragged connecting vectors, is th","authors_text":"Samuel L. Braunstein, Zhi-Wei Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T16:24:38Z","title":"Kinematic selection of the viscous stress in relativistic dissipative hydrodynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21359","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":"sha256:89ead8d25e9c1a25be47f68f0a50233f5d1d3ddff41bc7b624c247428b88e741","target":"record","created_at":"2026-05-21T02:05:30Z","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":"bbd69c05aebe39926ad160150a1d4103a6bff1155e6da8b21772f62b55f532c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-05-20T16:24:38Z","title_canon_sha256":"1e8f55659b89ca3541199ffaf95a0364947b3b182155cb5753a4b242e6e5a2c5"},"schema_version":"1.0","source":{"id":"2605.21359","kind":"arxiv","version":1}},"canonical_sha256":"906384247a413a37b49dc50fea042ae530c0a88eac511f25aa871a6ad6db36b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"906384247a413a37b49dc50fea042ae530c0a88eac511f25aa871a6ad6db36b9","first_computed_at":"2026-05-21T02:05:30.946755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T02:05:30.946755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x7QrbLkcalgQW+VfRuEFmgQcK1kY62e+Oeasui84+c66SSnvQ43YndL8NLkzVBBEp9OrWndzKCoNU2YAyxghCw==","signature_status":"signed_v1","signed_at":"2026-05-21T02:05:30.947773Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21359","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:89ead8d25e9c1a25be47f68f0a50233f5d1d3ddff41bc7b624c247428b88e741","sha256:afa78cb553d266ca34abc933027efd3b46180fe1f90f9f49cc70c567c67ac554"],"state_sha256":"7832c544022a2c4c0a757bf6248c12a91b77c6f0e07279fe5399667a4fbbea2c"}