{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:Z3WSCE6ON4SROWAS4GDGR2JYYR","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":"9dbcdad9d29aeb935f82ff2847d18fadaed3ca1504367b9b42782d5c0eb10034","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-26T17:38:36Z","title_canon_sha256":"19fc6e659e43b3d609344e4b748f0860bda026352f76752a264dc388216893fb"},"schema_version":"1.0","source":{"id":"2107.13533","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.13533","created_at":"2026-07-05T03:14:56Z"},{"alias_kind":"arxiv_version","alias_value":"2107.13533v2","created_at":"2026-07-05T03:14:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.13533","created_at":"2026-07-05T03:14:56Z"},{"alias_kind":"pith_short_12","alias_value":"Z3WSCE6ON4SR","created_at":"2026-07-05T03:14:56Z"},{"alias_kind":"pith_short_16","alias_value":"Z3WSCE6ON4SROWAS","created_at":"2026-07-05T03:14:56Z"},{"alias_kind":"pith_short_8","alias_value":"Z3WSCE6O","created_at":"2026-07-05T03:14:56Z"}],"graph_snapshots":[{"event_id":"sha256:ed5da15710abe3c1300897650b04c872690b2a051f4670a24bf60546f47221b9","target":"graph","created_at":"2026-07-05T03:14:56Z","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/2107.13533/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that the cosmic bulk viscosity estimated in our previous works is sufficient to bridge the $H_0$ value inferred from observations of the early universe with the value inferred from the local (late) universe.","authors_text":"Ben David Normann, Iver H{\\aa}kon Brevik","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-26T17:38:36Z","title":"Can the Hubble tension be resolved by bulk viscosity?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.13533","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:fa3fced16f3fc37e61297db2c6e0fec9aec9b7465169b525671ce2fe443f11dc","target":"record","created_at":"2026-07-05T03:14:56Z","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":"9dbcdad9d29aeb935f82ff2847d18fadaed3ca1504367b9b42782d5c0eb10034","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-26T17:38:36Z","title_canon_sha256":"19fc6e659e43b3d609344e4b748f0860bda026352f76752a264dc388216893fb"},"schema_version":"1.0","source":{"id":"2107.13533","kind":"arxiv","version":2}},"canonical_sha256":"ceed2113ce6f25175812e18668e938c460fa7553f2b565ca9d13a90e383818e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ceed2113ce6f25175812e18668e938c460fa7553f2b565ca9d13a90e383818e2","first_computed_at":"2026-07-05T03:14:56.458551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:14:56.458551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"egHNDhscitjm7H0A34Sc3rKATCWtL+CMiDAZhdPOAmYc/a+U7UuDQTuqt94x/TLsBkvJ9n+lxhOMOFJrOw7oBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:14:56.458989Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.13533","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa3fced16f3fc37e61297db2c6e0fec9aec9b7465169b525671ce2fe443f11dc","sha256:ed5da15710abe3c1300897650b04c872690b2a051f4670a24bf60546f47221b9"],"state_sha256":"23d1bec1e57d8c213836e2118bfeb9bd64b4add1ede5da2034e85d2c4f6a12cd"}