{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JISDZ66AOOZSYZTKCYKFV26HBV","short_pith_number":"pith:JISDZ66A","canonical_record":{"source":{"id":"1809.01555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-09-02T09:19:15Z","cross_cats_sorted":[],"title_canon_sha256":"f09953e919625bdbf86daef0ebc5e898fb465c84469fb375d122b1c953925348","abstract_canon_sha256":"46a04d632d08bd2ff9a2c1d0e36a4aaaf58017648b1aec8bb51ae8193e333392"},"schema_version":"1.0"},"canonical_sha256":"4a243cfbc073b32c666a16145aebc70d4ecfca674ac7a8c27a6cc12e816995fd","source":{"kind":"arxiv","id":"1809.01555","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01555","created_at":"2026-05-18T00:04:07Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01555v1","created_at":"2026-05-18T00:04:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01555","created_at":"2026-05-18T00:04:07Z"},{"alias_kind":"pith_short_12","alias_value":"JISDZ66AOOZS","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JISDZ66AOOZSYZTK","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JISDZ66A","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JISDZ66AOOZSYZTKCYKFV26HBV","target":"record","payload":{"canonical_record":{"source":{"id":"1809.01555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-09-02T09:19:15Z","cross_cats_sorted":[],"title_canon_sha256":"f09953e919625bdbf86daef0ebc5e898fb465c84469fb375d122b1c953925348","abstract_canon_sha256":"46a04d632d08bd2ff9a2c1d0e36a4aaaf58017648b1aec8bb51ae8193e333392"},"schema_version":"1.0"},"canonical_sha256":"4a243cfbc073b32c666a16145aebc70d4ecfca674ac7a8c27a6cc12e816995fd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:07.326091Z","signature_b64":"VJTvu9e/VAOx/RZHDTodwVAY2Jiw5jCoFepjOFYKfll0ABYIWzjA30Dl0mD/TizHpe1ToFMMy7467gd7TnnSBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a243cfbc073b32c666a16145aebc70d4ecfca674ac7a8c27a6cc12e816995fd","last_reissued_at":"2026-05-18T00:04:07.325341Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:07.325341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.01555","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":"2026-05-18T00:04:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l6mTCmFt2uS5GVSHBURv2gYBw4+Y8grk31rLX73fJljHTk1DhqTt4MlQxteol8RRDbN4OoS13I5ElHaM0Pc5AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:46:34.585828Z"},"content_sha256":"4d6154ee713b3c10c680bb00d87a06b610232fdf645c61d39498d2dbf7b4f5ba","schema_version":"1.0","event_id":"sha256:4d6154ee713b3c10c680bb00d87a06b610232fdf645c61d39498d2dbf7b4f5ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JISDZ66AOOZSYZTKCYKFV26HBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unified formalism for Thermal Quantum Field Theories: a geometric viewpoint","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Giuseppe Gaetano Luciano, Massimo Blasone, Petr Jizba","submitted_at":"2018-09-02T09:19:15Z","abstract_excerpt":"In this paper we study a unified formalism for Thermal Quantum Field Theories, i.e., for the Matsubara approach, Thermo Field Dynamics and the Path Ordered Method. To do so, we employ a mechanism akin to the Hawking effect which explores a relationship between the concept of temperature and spacetimes endowed with event-horizons. In particular, we consider an eight dimensional static spacetime, the so-called eta-xi spacetime, which we show to form an appropriate geometric background for generic Thermal Quantum Field Theories. Within this framework, the different formalisms of Thermal Field The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01555","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":"2026-05-18T00:04:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Ifjza7LgN4WNjXTYHLy9fbY5QWHU5jiWwgm/cRfm34t+eT+Zkx2Kyq67gV0BNMJHOWTqIcVxlBTwrNbstIIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:46:34.586301Z"},"content_sha256":"89ed74962d4638e1a4c849b870a804ea95fac6535263f2529f5f5e28f702d7f5","schema_version":"1.0","event_id":"sha256:89ed74962d4638e1a4c849b870a804ea95fac6535263f2529f5f5e28f702d7f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JISDZ66AOOZSYZTKCYKFV26HBV/bundle.json","state_url":"https://pith.science/pith/JISDZ66AOOZSYZTKCYKFV26HBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JISDZ66AOOZSYZTKCYKFV26HBV/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":"2026-06-05T03:46:34Z","links":{"resolver":"https://pith.science/pith/JISDZ66AOOZSYZTKCYKFV26HBV","bundle":"https://pith.science/pith/JISDZ66AOOZSYZTKCYKFV26HBV/bundle.json","state":"https://pith.science/pith/JISDZ66AOOZSYZTKCYKFV26HBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JISDZ66AOOZSYZTKCYKFV26HBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JISDZ66AOOZSYZTKCYKFV26HBV","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":"46a04d632d08bd2ff9a2c1d0e36a4aaaf58017648b1aec8bb51ae8193e333392","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-09-02T09:19:15Z","title_canon_sha256":"f09953e919625bdbf86daef0ebc5e898fb465c84469fb375d122b1c953925348"},"schema_version":"1.0","source":{"id":"1809.01555","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.01555","created_at":"2026-05-18T00:04:07Z"},{"alias_kind":"arxiv_version","alias_value":"1809.01555v1","created_at":"2026-05-18T00:04:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.01555","created_at":"2026-05-18T00:04:07Z"},{"alias_kind":"pith_short_12","alias_value":"JISDZ66AOOZS","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JISDZ66AOOZSYZTK","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JISDZ66A","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:89ed74962d4638e1a4c849b870a804ea95fac6535263f2529f5f5e28f702d7f5","target":"graph","created_at":"2026-05-18T00:04:07Z","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":"In this paper we study a unified formalism for Thermal Quantum Field Theories, i.e., for the Matsubara approach, Thermo Field Dynamics and the Path Ordered Method. To do so, we employ a mechanism akin to the Hawking effect which explores a relationship between the concept of temperature and spacetimes endowed with event-horizons. In particular, we consider an eight dimensional static spacetime, the so-called eta-xi spacetime, which we show to form an appropriate geometric background for generic Thermal Quantum Field Theories. Within this framework, the different formalisms of Thermal Field The","authors_text":"Giuseppe Gaetano Luciano, Massimo Blasone, Petr Jizba","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-09-02T09:19:15Z","title":"Unified formalism for Thermal Quantum Field Theories: a geometric viewpoint"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.01555","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":"sha256:4d6154ee713b3c10c680bb00d87a06b610232fdf645c61d39498d2dbf7b4f5ba","target":"record","created_at":"2026-05-18T00:04:07Z","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":"46a04d632d08bd2ff9a2c1d0e36a4aaaf58017648b1aec8bb51ae8193e333392","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-09-02T09:19:15Z","title_canon_sha256":"f09953e919625bdbf86daef0ebc5e898fb465c84469fb375d122b1c953925348"},"schema_version":"1.0","source":{"id":"1809.01555","kind":"arxiv","version":1}},"canonical_sha256":"4a243cfbc073b32c666a16145aebc70d4ecfca674ac7a8c27a6cc12e816995fd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a243cfbc073b32c666a16145aebc70d4ecfca674ac7a8c27a6cc12e816995fd","first_computed_at":"2026-05-18T00:04:07.325341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:07.325341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VJTvu9e/VAOx/RZHDTodwVAY2Jiw5jCoFepjOFYKfll0ABYIWzjA30Dl0mD/TizHpe1ToFMMy7467gd7TnnSBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:07.326091Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.01555","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d6154ee713b3c10c680bb00d87a06b610232fdf645c61d39498d2dbf7b4f5ba","sha256:89ed74962d4638e1a4c849b870a804ea95fac6535263f2529f5f5e28f702d7f5"],"state_sha256":"f0244a4aa08ba9a91bde9c374f2e446be655d6b4ea605fa25d20fa5788dee127"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ClMmUdQoq9fokIh7t1Y9chnsorkFD6zIqFlik1gjly91C7u8/P0n9xxnzNqg1yk5OGVfTCFM5Zr28J2/cmiSBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T03:46:34.590123Z","bundle_sha256":"d5a9e962395b7ed904b8ec39433e3aee09d0f1768e9cc5a9f9d5b87dfbefc9ce"}}