{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IVEJEE6Y2P6C6XGEDLPNS2HNOK","short_pith_number":"pith:IVEJEE6Y","canonical_record":{"source":{"id":"1709.04031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-12T19:22:07Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"8961dfa182b275355b58242c65efe1a8123c31281e47d5094282e23b75c9e968","abstract_canon_sha256":"fe5a643f63fe7ba8e23588eab2d31e8af7f71fc28ce8fec533bca7854d40e150"},"schema_version":"1.0"},"canonical_sha256":"45489213d8d3fc2f5cc41aded968ed729f83fafecf9cf8b9c28187a383fd0efe","source":{"kind":"arxiv","id":"1709.04031","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.04031","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"arxiv_version","alias_value":"1709.04031v1","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04031","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"pith_short_12","alias_value":"IVEJEE6Y2P6C","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IVEJEE6Y2P6C6XGE","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IVEJEE6Y","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IVEJEE6Y2P6C6XGEDLPNS2HNOK","target":"record","payload":{"canonical_record":{"source":{"id":"1709.04031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-12T19:22:07Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"8961dfa182b275355b58242c65efe1a8123c31281e47d5094282e23b75c9e968","abstract_canon_sha256":"fe5a643f63fe7ba8e23588eab2d31e8af7f71fc28ce8fec533bca7854d40e150"},"schema_version":"1.0"},"canonical_sha256":"45489213d8d3fc2f5cc41aded968ed729f83fafecf9cf8b9c28187a383fd0efe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:12.895160Z","signature_b64":"nSYmvnLRp9dd50ViHg9zujeUeuBfCs5gqvY8pPMthl0y+vK9l+qfzHMnr31mxyhDPpro91xydSxRaFLzITzFBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45489213d8d3fc2f5cc41aded968ed729f83fafecf9cf8b9c28187a383fd0efe","last_reissued_at":"2026-05-18T00:27:12.894699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:12.894699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.04031","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":"2026-05-18T00:27:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KhyCedks8tjP0Fxjm5wpLFfVcGI+zN8JFJBKzJRCHGJfunYQibY6LAJUptkX+y6Bjm54aQghs8h2suZyNZL3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:37:25.411662Z"},"content_sha256":"17d57511ee25680e4682d39261b2b0d9f7e47d7ec677174c8f1fe9b704e82895","schema_version":"1.0","event_id":"sha256:17d57511ee25680e4682d39261b2b0d9f7e47d7ec677174c8f1fe9b704e82895"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IVEJEE6Y2P6C6XGEDLPNS2HNOK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spacetime thermodynamics in the presence of torsion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Daniele Pranzetti, Ramit Dey, Stefano Liberati","submitted_at":"2017-09-12T19:22:07Z","abstract_excerpt":"It was shown by Jacobson in 1995 that the Einstein equation can be derived as a local constitutive equation for an equilibrium spacetime thermodynamics. With the aim to understand if such thermodynamical description is an intrinsic property of gravitation, many attempts have been done so far to generalise this treatment to a broader class of gravitational theories. Here we consider the case of the Einstein-Cartan theory as a prototype of theories with non-propagating torsion. In doing so, we study the properties of Killing horizons in the presence of torsion, establish the notion of local caus"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04031","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":"2026-05-18T00:27:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A2PZFN1qU168PtJfN2TAXhWtuKnvBiQgIEo0XmcehjRngvMEnZUkD6ginhI5Kb4EYupMLz8N27CQhQhXKeNuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:37:25.412012Z"},"content_sha256":"57cc5d74ffd1671b9384f88b5be94d94f70444377e8e1d4ce634c10b73c6c58c","schema_version":"1.0","event_id":"sha256:57cc5d74ffd1671b9384f88b5be94d94f70444377e8e1d4ce634c10b73c6c58c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK/bundle.json","state_url":"https://pith.science/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK/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":"2026-06-03T18:37:25Z","links":{"resolver":"https://pith.science/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK","bundle":"https://pith.science/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK/bundle.json","state":"https://pith.science/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IVEJEE6Y2P6C6XGEDLPNS2HNOK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IVEJEE6Y2P6C6XGEDLPNS2HNOK","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":"fe5a643f63fe7ba8e23588eab2d31e8af7f71fc28ce8fec533bca7854d40e150","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-12T19:22:07Z","title_canon_sha256":"8961dfa182b275355b58242c65efe1a8123c31281e47d5094282e23b75c9e968"},"schema_version":"1.0","source":{"id":"1709.04031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.04031","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"arxiv_version","alias_value":"1709.04031v1","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.04031","created_at":"2026-05-18T00:27:12Z"},{"alias_kind":"pith_short_12","alias_value":"IVEJEE6Y2P6C","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IVEJEE6Y2P6C6XGE","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IVEJEE6Y","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:57cc5d74ffd1671b9384f88b5be94d94f70444377e8e1d4ce634c10b73c6c58c","target":"graph","created_at":"2026-05-18T00:27:12Z","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":"It was shown by Jacobson in 1995 that the Einstein equation can be derived as a local constitutive equation for an equilibrium spacetime thermodynamics. With the aim to understand if such thermodynamical description is an intrinsic property of gravitation, many attempts have been done so far to generalise this treatment to a broader class of gravitational theories. Here we consider the case of the Einstein-Cartan theory as a prototype of theories with non-propagating torsion. In doing so, we study the properties of Killing horizons in the presence of torsion, establish the notion of local caus","authors_text":"Daniele Pranzetti, Ramit Dey, Stefano Liberati","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-12T19:22:07Z","title":"Spacetime thermodynamics in the presence of torsion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.04031","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":"sha256:17d57511ee25680e4682d39261b2b0d9f7e47d7ec677174c8f1fe9b704e82895","target":"record","created_at":"2026-05-18T00:27:12Z","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":"fe5a643f63fe7ba8e23588eab2d31e8af7f71fc28ce8fec533bca7854d40e150","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-09-12T19:22:07Z","title_canon_sha256":"8961dfa182b275355b58242c65efe1a8123c31281e47d5094282e23b75c9e968"},"schema_version":"1.0","source":{"id":"1709.04031","kind":"arxiv","version":1}},"canonical_sha256":"45489213d8d3fc2f5cc41aded968ed729f83fafecf9cf8b9c28187a383fd0efe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"45489213d8d3fc2f5cc41aded968ed729f83fafecf9cf8b9c28187a383fd0efe","first_computed_at":"2026-05-18T00:27:12.894699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:12.894699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nSYmvnLRp9dd50ViHg9zujeUeuBfCs5gqvY8pPMthl0y+vK9l+qfzHMnr31mxyhDPpro91xydSxRaFLzITzFBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:12.895160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.04031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17d57511ee25680e4682d39261b2b0d9f7e47d7ec677174c8f1fe9b704e82895","sha256:57cc5d74ffd1671b9384f88b5be94d94f70444377e8e1d4ce634c10b73c6c58c"],"state_sha256":"f06e44f2008e11e227df44ef1e42abf8cf4af6cc2ece2cd0e36a2ec34a583c0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i/FjBElVWBz0P55Ct+BMNIEfM20/AE4vFdT6ReymatwNaZlG6+20lm2t4YCHcAoQqaMWICzl3atNbFwRK4tNBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:37:25.414693Z","bundle_sha256":"1f0420170da485918f59be9392f800b307a916e8b6aecc7713167a178e073ae3"}}