{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:REHRM4EYPGI667HLSVFYWI2CVH","short_pith_number":"pith:REHRM4EY","canonical_record":{"source":{"id":"1908.08712","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-23T08:17:59Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"8abf4488fc7e03acddeaf76f67e10019522a930a8350fde394637857272de3b4","abstract_canon_sha256":"4f34249acba1b4955f43d14a1f8b1b1b3b1294748c7ad3e2ea6d48c5a10c7508"},"schema_version":"1.0"},"canonical_sha256":"890f1670987991ef7ceb954b8b2342a9c657760d4d7ba793aab4bf0b76cc3279","source":{"kind":"arxiv","id":"1908.08712","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.08712","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"arxiv_version","alias_value":"1908.08712v2","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.08712","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"pith_short_12","alias_value":"REHRM4EYPGI6","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"pith_short_16","alias_value":"REHRM4EYPGI667HL","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"pith_short_8","alias_value":"REHRM4EY","created_at":"2026-07-05T00:08:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:REHRM4EYPGI667HLSVFYWI2CVH","target":"record","payload":{"canonical_record":{"source":{"id":"1908.08712","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-23T08:17:59Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"8abf4488fc7e03acddeaf76f67e10019522a930a8350fde394637857272de3b4","abstract_canon_sha256":"4f34249acba1b4955f43d14a1f8b1b1b3b1294748c7ad3e2ea6d48c5a10c7508"},"schema_version":"1.0"},"canonical_sha256":"890f1670987991ef7ceb954b8b2342a9c657760d4d7ba793aab4bf0b76cc3279","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:37.851804Z","signature_b64":"DHQ2hpbEQ6umkzsZ05rKn52ztR79hZcqxejYzi+STKjGy2Q/nR7arzW5cQpPB+HnoZQCnQfzDiG/DprdqYn/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"890f1670987991ef7ceb954b8b2342a9c657760d4d7ba793aab4bf0b76cc3279","last_reissued_at":"2026-07-05T00:08:37.851350Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:37.851350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.08712","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":"2026-07-05T00:08:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhXL1wMjS/P1C4r0V9xquir2TAuSf5uZqqR1il1yYWEn8op+ObLIIpVosoRVMIyoErq3MIyfzKbgwAXFiUU+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T09:33:09.711644Z"},"content_sha256":"c522e0975e0294c61deba8594bebe39620c1a2af6c076b149dd9787b80e146fe","schema_version":"1.0","event_id":"sha256:c522e0975e0294c61deba8594bebe39620c1a2af6c076b149dd9787b80e146fe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:REHRM4EYPGI667HLSVFYWI2CVH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Viscous fluid holographic inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"A. V. Timoshkin, E. Elizalde","submitted_at":"2019-08-23T08:17:59Z","abstract_excerpt":"A model of inflation produced by a viscous fluid is investigated and its compatibility with the holographic principle at the very early universe (as recently formulated for the holographic universe with a holographic cut-off radius) is demonstrated. Specifically, ensuing from the model, the corresponding scale factor and infrared cut-off are analytically calculated, which are taken to be the particle and future event horizon for inflation, respectively. Using them, the energy conservation law, in the holographic point of view, is obtained. In this way, total equivalence of viscous fluid inflat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.08712","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/1908.08712/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":"2026-07-05T00:08:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CHRUgv0kJO5VXMYL2m8VhOSP+VMCTP7t5Ms3PwU1lxllr/2zVDJOUg9dA/gme2nGh44VI2fq41vR+r0ePNOcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T09:33:09.712285Z"},"content_sha256":"ff099a417a13af35fbc230543a742141ef26e225145b344cfcef622b33e40007","schema_version":"1.0","event_id":"sha256:ff099a417a13af35fbc230543a742141ef26e225145b344cfcef622b33e40007"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/REHRM4EYPGI667HLSVFYWI2CVH/bundle.json","state_url":"https://pith.science/pith/REHRM4EYPGI667HLSVFYWI2CVH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/REHRM4EYPGI667HLSVFYWI2CVH/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":"2026-08-15T09:33:09Z","links":{"resolver":"https://pith.science/pith/REHRM4EYPGI667HLSVFYWI2CVH","bundle":"https://pith.science/pith/REHRM4EYPGI667HLSVFYWI2CVH/bundle.json","state":"https://pith.science/pith/REHRM4EYPGI667HLSVFYWI2CVH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/REHRM4EYPGI667HLSVFYWI2CVH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:REHRM4EYPGI667HLSVFYWI2CVH","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":"4f34249acba1b4955f43d14a1f8b1b1b3b1294748c7ad3e2ea6d48c5a10c7508","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-23T08:17:59Z","title_canon_sha256":"8abf4488fc7e03acddeaf76f67e10019522a930a8350fde394637857272de3b4"},"schema_version":"1.0","source":{"id":"1908.08712","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.08712","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"arxiv_version","alias_value":"1908.08712v2","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.08712","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"pith_short_12","alias_value":"REHRM4EYPGI6","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"pith_short_16","alias_value":"REHRM4EYPGI667HL","created_at":"2026-07-05T00:08:37Z"},{"alias_kind":"pith_short_8","alias_value":"REHRM4EY","created_at":"2026-07-05T00:08:37Z"}],"graph_snapshots":[{"event_id":"sha256:ff099a417a13af35fbc230543a742141ef26e225145b344cfcef622b33e40007","target":"graph","created_at":"2026-07-05T00:08:37Z","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/1908.08712/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A model of inflation produced by a viscous fluid is investigated and its compatibility with the holographic principle at the very early universe (as recently formulated for the holographic universe with a holographic cut-off radius) is demonstrated. Specifically, ensuing from the model, the corresponding scale factor and infrared cut-off are analytically calculated, which are taken to be the particle and future event horizon for inflation, respectively. Using them, the energy conservation law, in the holographic point of view, is obtained. In this way, total equivalence of viscous fluid inflat","authors_text":"A. V. Timoshkin, E. Elizalde","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-23T08:17:59Z","title":"Viscous fluid holographic inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.08712","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:c522e0975e0294c61deba8594bebe39620c1a2af6c076b149dd9787b80e146fe","target":"record","created_at":"2026-07-05T00:08:37Z","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":"4f34249acba1b4955f43d14a1f8b1b1b3b1294748c7ad3e2ea6d48c5a10c7508","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-08-23T08:17:59Z","title_canon_sha256":"8abf4488fc7e03acddeaf76f67e10019522a930a8350fde394637857272de3b4"},"schema_version":"1.0","source":{"id":"1908.08712","kind":"arxiv","version":2}},"canonical_sha256":"890f1670987991ef7ceb954b8b2342a9c657760d4d7ba793aab4bf0b76cc3279","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"890f1670987991ef7ceb954b8b2342a9c657760d4d7ba793aab4bf0b76cc3279","first_computed_at":"2026-07-05T00:08:37.851350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:37.851350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DHQ2hpbEQ6umkzsZ05rKn52ztR79hZcqxejYzi+STKjGy2Q/nR7arzW5cQpPB+HnoZQCnQfzDiG/DprdqYn/AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:37.851804Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.08712","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c522e0975e0294c61deba8594bebe39620c1a2af6c076b149dd9787b80e146fe","sha256:ff099a417a13af35fbc230543a742141ef26e225145b344cfcef622b33e40007"],"state_sha256":"6a79a8c25192733f4da3cbce2d69247ffe99d3b941ab2c2cd804266b7f1bc9f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QKK55UtNsqzwlHDdAeqA8lMKHdKJibP5gY5F9sHvUa/ahjdJJ/sEHsKXr11ILvQEVZEX2YDDMwyT6NqeE/f+Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T09:33:09.718333Z","bundle_sha256":"4e089372a41fe53e42e1133b81b0febf6bae4f47a62804cbedeb402e96564d89"}}