{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:KLKEC5M5ETSSB6VW7EWWFR6WAA","short_pith_number":"pith:KLKEC5M5","canonical_record":{"source":{"id":"1609.04550","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-15T09:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"25cd4ab77808cfad4b749c782a6dda20dded2d3a723b478bff8f6ed630765c5a","abstract_canon_sha256":"67c6d560bb7edf64b39aa2e28195a31017f669a91bd3a79e7f1a916b5390d5a5"},"schema_version":"1.0"},"canonical_sha256":"52d441759d24e520fab6f92d62c7d6003b74c5e120cc0365e0fa56b5a049ebb0","source":{"kind":"arxiv","id":"1609.04550","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04550","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04550v2","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04550","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"pith_short_12","alias_value":"KLKEC5M5ETSS","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KLKEC5M5ETSSB6VW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KLKEC5M5","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:KLKEC5M5ETSSB6VW7EWWFR6WAA","target":"record","payload":{"canonical_record":{"source":{"id":"1609.04550","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-15T09:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"25cd4ab77808cfad4b749c782a6dda20dded2d3a723b478bff8f6ed630765c5a","abstract_canon_sha256":"67c6d560bb7edf64b39aa2e28195a31017f669a91bd3a79e7f1a916b5390d5a5"},"schema_version":"1.0"},"canonical_sha256":"52d441759d24e520fab6f92d62c7d6003b74c5e120cc0365e0fa56b5a049ebb0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:18.586907Z","signature_b64":"4ujzdTMD3hnK6Fb2dALlRNyFS2ZaYaK8Hs3OjO3Jud9CO8g0V5phXtpvGym5Sg3lyCFk0/zfgyZ80TsYl7B9DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52d441759d24e520fab6f92d62c7d6003b74c5e120cc0365e0fa56b5a049ebb0","last_reissued_at":"2026-05-18T00:02:18.586433Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:18.586433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.04550","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":"2026-05-18T00:02:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PTJ3jkKKnriMgSwvBCeTuJcnVcnevO81CCrxsOO5EX83OxxDLtdrSM8/TpxNYChupBxTZ1TqVB15wdhoYyunAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:24:21.577516Z"},"content_sha256":"11dbb3fe0d64021f03a465de4f49b29d0afcb4c12d02a889c4bc34a84a0c4d79","schema_version":"1.0","event_id":"sha256:11dbb3fe0d64021f03a465de4f49b29d0afcb4c12d02a889c4bc34a84a0c4d79"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:KLKEC5M5ETSSB6VW7EWWFR6WAA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theoretical Properties of Entropy in a Strong Coupling Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Chen-Te Ma","submitted_at":"2016-09-15T09:41:45Z","abstract_excerpt":"Entropy is a quantity for counting physical degrees of freedom in a system. At a finite temperature, one can use thermal entropy to study thermodynamical properties. At zero temperature, entanglement entropy is expected to provide a suitable order parameter of a phase structure. Especially, the entanglement entropy exhibits an interesting codimension two area law in a strongly coupled conformal field theory. We compute thermal entropy in a non-relativistic model with an infinite fermion mass limit from an exact effective potential to obtain thermal entropy at an infinite strong coupling limit."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04550","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":""},"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":"2026-05-18T00:02:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ysRVwh/PSfrX/EZe3BJqppvYjKT0wqzVn36aHo3cpffEylWTtoAingMnmY0qWkJCy3KthVfGwP2nsyTH6STvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:24:21.577893Z"},"content_sha256":"17a330cf3c044e655d8d7a7001ae8113eddd401653ab18b3ef5c7b5050254bcd","schema_version":"1.0","event_id":"sha256:17a330cf3c044e655d8d7a7001ae8113eddd401653ab18b3ef5c7b5050254bcd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA/bundle.json","state_url":"https://pith.science/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA/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":"2026-05-30T12:24:21Z","links":{"resolver":"https://pith.science/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA","bundle":"https://pith.science/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA/bundle.json","state":"https://pith.science/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KLKEC5M5ETSSB6VW7EWWFR6WAA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:KLKEC5M5ETSSB6VW7EWWFR6WAA","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":"67c6d560bb7edf64b39aa2e28195a31017f669a91bd3a79e7f1a916b5390d5a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-15T09:41:45Z","title_canon_sha256":"25cd4ab77808cfad4b749c782a6dda20dded2d3a723b478bff8f6ed630765c5a"},"schema_version":"1.0","source":{"id":"1609.04550","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04550","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04550v2","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04550","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"pith_short_12","alias_value":"KLKEC5M5ETSS","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"KLKEC5M5ETSSB6VW","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"KLKEC5M5","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:17a330cf3c044e655d8d7a7001ae8113eddd401653ab18b3ef5c7b5050254bcd","target":"graph","created_at":"2026-05-18T00:02:18Z","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":"Entropy is a quantity for counting physical degrees of freedom in a system. At a finite temperature, one can use thermal entropy to study thermodynamical properties. At zero temperature, entanglement entropy is expected to provide a suitable order parameter of a phase structure. Especially, the entanglement entropy exhibits an interesting codimension two area law in a strongly coupled conformal field theory. We compute thermal entropy in a non-relativistic model with an infinite fermion mass limit from an exact effective potential to obtain thermal entropy at an infinite strong coupling limit.","authors_text":"Chen-Te Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-15T09:41:45Z","title":"Theoretical Properties of Entropy in a Strong Coupling Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04550","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":"sha256:11dbb3fe0d64021f03a465de4f49b29d0afcb4c12d02a889c4bc34a84a0c4d79","target":"record","created_at":"2026-05-18T00:02:18Z","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":"67c6d560bb7edf64b39aa2e28195a31017f669a91bd3a79e7f1a916b5390d5a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-09-15T09:41:45Z","title_canon_sha256":"25cd4ab77808cfad4b749c782a6dda20dded2d3a723b478bff8f6ed630765c5a"},"schema_version":"1.0","source":{"id":"1609.04550","kind":"arxiv","version":2}},"canonical_sha256":"52d441759d24e520fab6f92d62c7d6003b74c5e120cc0365e0fa56b5a049ebb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52d441759d24e520fab6f92d62c7d6003b74c5e120cc0365e0fa56b5a049ebb0","first_computed_at":"2026-05-18T00:02:18.586433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:18.586433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4ujzdTMD3hnK6Fb2dALlRNyFS2ZaYaK8Hs3OjO3Jud9CO8g0V5phXtpvGym5Sg3lyCFk0/zfgyZ80TsYl7B9DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:18.586907Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.04550","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:11dbb3fe0d64021f03a465de4f49b29d0afcb4c12d02a889c4bc34a84a0c4d79","sha256:17a330cf3c044e655d8d7a7001ae8113eddd401653ab18b3ef5c7b5050254bcd"],"state_sha256":"ffee7af97890f85c8de1b39c10652f5cf6536148dd311f45a155d00d3eaa2984"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIkSdRj6PuGMRosoyXSMjXiulIwTkPJituP7IJuVOok8RJksjx2s7O1AZ4t6nQIVqcZWQ7wR6xLODerfiyfeBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:24:21.579938Z","bundle_sha256":"a3f5b5da0f4c5eabd2e4df11c2e5e4cd29a635eff5429c3f7c9ae945012b6ef9"}}