{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:HMIPSQ4PUSOY4MURQRKVY346CR","short_pith_number":"pith:HMIPSQ4P","canonical_record":{"source":{"id":"1503.05340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-03-18T11:07:19Z","cross_cats_sorted":[],"title_canon_sha256":"173044919e7b576577c9b580f38566bacc55a73732241ba1a67bfc0d9d7edbd1","abstract_canon_sha256":"4cddd150b5e134b1477c105e885c3955c1eb7f12752964256e3b5f5819c9d3b5"},"schema_version":"1.0"},"canonical_sha256":"3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50","source":{"kind":"arxiv","id":"1503.05340","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05340","created_at":"2026-05-18T01:30:48Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05340v2","created_at":"2026-05-18T01:30:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05340","created_at":"2026-05-18T01:30:48Z"},{"alias_kind":"pith_short_12","alias_value":"HMIPSQ4PUSOY","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HMIPSQ4PUSOY4MUR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HMIPSQ4P","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:HMIPSQ4PUSOY4MURQRKVY346CR","target":"record","payload":{"canonical_record":{"source":{"id":"1503.05340","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-03-18T11:07:19Z","cross_cats_sorted":[],"title_canon_sha256":"173044919e7b576577c9b580f38566bacc55a73732241ba1a67bfc0d9d7edbd1","abstract_canon_sha256":"4cddd150b5e134b1477c105e885c3955c1eb7f12752964256e3b5f5819c9d3b5"},"schema_version":"1.0"},"canonical_sha256":"3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:48.984036Z","signature_b64":"IyBxKp0wioyIkhf19BbJ18yHYuOlawlD3CBYxUWYPGD/igvgz9vALzmrEMvym1xJ/kMyH48WqBFWQQK20C/RAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50","last_reissued_at":"2026-05-18T01:30:48.983663Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:48.983663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.05340","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":"2026-05-18T01:30:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TifjOgdX//mgLY3mAdvsluzWTUHQIISHN1P7G1VzlK5KJ/HBiXhb8R8ergRdqc0BIBOB25WheEOe+kkv6k0XDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T08:16:28.734177Z"},"content_sha256":"b2d01e01388bb29f6c9326a2016c082df16bcd8c70b9e9037212c34470743b27","schema_version":"1.0","event_id":"sha256:b2d01e01388bb29f6c9326a2016c082df16bcd8c70b9e9037212c34470743b27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:HMIPSQ4PUSOY4MURQRKVY346CR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A state description of pair production from Dirac sea in gravitational field --physical interpretation of Weyl anomaly--","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Holger B. Nielsen, Masao Ninomiya, Yoshinobu Habara","submitted_at":"2015-03-18T11:07:19Z","abstract_excerpt":"We present the method that the pair production of particles is described as a Fock space state vector, where the pair production stems from receiving energy from, as an example, gravitational background field. At the same time we show a sort of new mechanism that in the diffeomorphism-invariant Dirac sea the Weyl symmetry is broken due to the pair production and this provides us a new physical interpretation of the origin of Weyl anomaly. In the present paper at the first place, we consider two kinds of background space-time which are connected each other by the Weyl transformation. It is show"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05340","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":"2026-05-18T01:30:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lLUHWi9OYQ4E+F6ewPnadIG0zZY2qChouTyNIf2y4ngMrX//6adnTzqeYxI63GTeK8TYJb+cBSU+qrUwpZutBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T08:16:28.734535Z"},"content_sha256":"1eea5c327a55f170048ff9042e8cd768b88de7d4500c393fe735aad02be98f5b","schema_version":"1.0","event_id":"sha256:1eea5c327a55f170048ff9042e8cd768b88de7d4500c393fe735aad02be98f5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMIPSQ4PUSOY4MURQRKVY346CR/bundle.json","state_url":"https://pith.science/pith/HMIPSQ4PUSOY4MURQRKVY346CR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMIPSQ4PUSOY4MURQRKVY346CR/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":"2026-06-25T08:16:28Z","links":{"resolver":"https://pith.science/pith/HMIPSQ4PUSOY4MURQRKVY346CR","bundle":"https://pith.science/pith/HMIPSQ4PUSOY4MURQRKVY346CR/bundle.json","state":"https://pith.science/pith/HMIPSQ4PUSOY4MURQRKVY346CR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMIPSQ4PUSOY4MURQRKVY346CR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:HMIPSQ4PUSOY4MURQRKVY346CR","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":"4cddd150b5e134b1477c105e885c3955c1eb7f12752964256e3b5f5819c9d3b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-03-18T11:07:19Z","title_canon_sha256":"173044919e7b576577c9b580f38566bacc55a73732241ba1a67bfc0d9d7edbd1"},"schema_version":"1.0","source":{"id":"1503.05340","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.05340","created_at":"2026-05-18T01:30:48Z"},{"alias_kind":"arxiv_version","alias_value":"1503.05340v2","created_at":"2026-05-18T01:30:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.05340","created_at":"2026-05-18T01:30:48Z"},{"alias_kind":"pith_short_12","alias_value":"HMIPSQ4PUSOY","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"HMIPSQ4PUSOY4MUR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"HMIPSQ4P","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:1eea5c327a55f170048ff9042e8cd768b88de7d4500c393fe735aad02be98f5b","target":"graph","created_at":"2026-05-18T01:30:48Z","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":"We present the method that the pair production of particles is described as a Fock space state vector, where the pair production stems from receiving energy from, as an example, gravitational background field. At the same time we show a sort of new mechanism that in the diffeomorphism-invariant Dirac sea the Weyl symmetry is broken due to the pair production and this provides us a new physical interpretation of the origin of Weyl anomaly. In the present paper at the first place, we consider two kinds of background space-time which are connected each other by the Weyl transformation. It is show","authors_text":"Holger B. Nielsen, Masao Ninomiya, Yoshinobu Habara","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-03-18T11:07:19Z","title":"A state description of pair production from Dirac sea in gravitational field --physical interpretation of Weyl anomaly--"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.05340","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:b2d01e01388bb29f6c9326a2016c082df16bcd8c70b9e9037212c34470743b27","target":"record","created_at":"2026-05-18T01:30:48Z","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":"4cddd150b5e134b1477c105e885c3955c1eb7f12752964256e3b5f5819c9d3b5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-03-18T11:07:19Z","title_canon_sha256":"173044919e7b576577c9b580f38566bacc55a73732241ba1a67bfc0d9d7edbd1"},"schema_version":"1.0","source":{"id":"1503.05340","kind":"arxiv","version":2}},"canonical_sha256":"3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b10f9438fa49d8e329184555c6f9e1449aa0bd574b36a57499fd10166e57f50","first_computed_at":"2026-05-18T01:30:48.983663Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:48.983663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IyBxKp0wioyIkhf19BbJ18yHYuOlawlD3CBYxUWYPGD/igvgz9vALzmrEMvym1xJ/kMyH48WqBFWQQK20C/RAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:48.984036Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.05340","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2d01e01388bb29f6c9326a2016c082df16bcd8c70b9e9037212c34470743b27","sha256:1eea5c327a55f170048ff9042e8cd768b88de7d4500c393fe735aad02be98f5b"],"state_sha256":"4f8b7df789e38180dfc28e8e21c212680072d57abd1918c9b528e170a0716ae2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bNJJ5QRDua2BmOw3+ho1/0rzBAZ5fsGjgFGOKLOuGKkEKgvnHTK3X1ZJpkUsGErEtwO/bq4Ehnhf145OeyKUBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T08:16:28.736419Z","bundle_sha256":"b6b5eb70112824b1305e10206353e4ef0293b0d320a7ef917f4fb0e1ad440ee1"}}