{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MXM765XVJD5AEQ6XCQWSWLMK4G","short_pith_number":"pith:MXM765XV","canonical_record":{"source":{"id":"1911.00529","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-01T18:04:23Z","cross_cats_sorted":[],"title_canon_sha256":"3031305b675088c906b9deb483648fbc641fd0fa0faae65ca0d199c46f3c5e8b","abstract_canon_sha256":"726caf91dae0a9ff9dae54721a8ea3a7a536e831b77c8163683822759f025cfe"},"schema_version":"1.0"},"canonical_sha256":"65d9ff76f548fa0243d7142d2b2d8ae1b5b3990ae78134529a9ac8b29ac167ce","source":{"kind":"arxiv","id":"1911.00529","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.00529","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"1911.00529v1","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.00529","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"MXM765XVJD5A","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"pith_short_16","alias_value":"MXM765XVJD5AEQ6X","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"pith_short_8","alias_value":"MXM765XV","created_at":"2026-07-05T00:53:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MXM765XVJD5AEQ6XCQWSWLMK4G","target":"record","payload":{"canonical_record":{"source":{"id":"1911.00529","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-01T18:04:23Z","cross_cats_sorted":[],"title_canon_sha256":"3031305b675088c906b9deb483648fbc641fd0fa0faae65ca0d199c46f3c5e8b","abstract_canon_sha256":"726caf91dae0a9ff9dae54721a8ea3a7a536e831b77c8163683822759f025cfe"},"schema_version":"1.0"},"canonical_sha256":"65d9ff76f548fa0243d7142d2b2d8ae1b5b3990ae78134529a9ac8b29ac167ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:53:42.294777Z","signature_b64":"nMxoKAG2Af5ORLnIPng4a6p1F/eZcDn73COpbN4KnhHzZspyugseBQR5YBHVVb8gKYRoUVwQU4kuZEabfftKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65d9ff76f548fa0243d7142d2b2d8ae1b5b3990ae78134529a9ac8b29ac167ce","last_reissued_at":"2026-07-05T00:53:42.294281Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:53:42.294281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.00529","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":"2026-07-05T00:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tmjkJfWmsx3lxwXFB4OmSGApiEL13dRQxE5kTiKWZKUb2mMEoe8qbihQX31xVnYHV4bYScXHQ30ilCQ2a6zpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T09:50:58.530729Z"},"content_sha256":"35cfa7e49b1f0da999828d69952265f58643cdc6f05c0f56da97e2c241713b8e","schema_version":"1.0","event_id":"sha256:35cfa7e49b1f0da999828d69952265f58643cdc6f05c0f56da97e2c241713b8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MXM765XVJD5AEQ6XCQWSWLMK4G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the logarithmic coefficient of the entanglement entropy of a Maxwell field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Diego Pontello, Horacio Casini, Javier M. Magan, Marina Huerta","submitted_at":"2019-11-01T18:04:23Z","abstract_excerpt":"We elucidate the mismatch between the $A$-anomaly coefficient and the coefficient of the logarithmic term in the entanglement entropy of a Maxwell field. In contrast to the usual assumptions about the protection of renormalization group charges at the infrared, the logarithmic term is different for a free Maxwell field and a Maxwell field interacting with heavy charges. This is possible because of the presence of superselection sectors in the IR theory. However, the correction due to the coupling with charged vacuum fluctuations, that restores the anomaly coefficient, is independent of the pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.00529","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1911.00529/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":"2026-07-05T00:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tyv8MEk0wufeh4C4hqwikzu/9C8zxRxS/G7yOifAk/7A7NpXxGRvtAlCVZ9UF17m7inoFFJ9g23ytMuHYpD9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T09:50:58.531547Z"},"content_sha256":"abc65e843081c8ff49b39b7ffab3026638793a60dab685633874321f9392c4c1","schema_version":"1.0","event_id":"sha256:abc65e843081c8ff49b39b7ffab3026638793a60dab685633874321f9392c4c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MXM765XVJD5AEQ6XCQWSWLMK4G/bundle.json","state_url":"https://pith.science/pith/MXM765XVJD5AEQ6XCQWSWLMK4G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MXM765XVJD5AEQ6XCQWSWLMK4G/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":"2026-08-01T09:50:58Z","links":{"resolver":"https://pith.science/pith/MXM765XVJD5AEQ6XCQWSWLMK4G","bundle":"https://pith.science/pith/MXM765XVJD5AEQ6XCQWSWLMK4G/bundle.json","state":"https://pith.science/pith/MXM765XVJD5AEQ6XCQWSWLMK4G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MXM765XVJD5AEQ6XCQWSWLMK4G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MXM765XVJD5AEQ6XCQWSWLMK4G","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":"726caf91dae0a9ff9dae54721a8ea3a7a536e831b77c8163683822759f025cfe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-01T18:04:23Z","title_canon_sha256":"3031305b675088c906b9deb483648fbc641fd0fa0faae65ca0d199c46f3c5e8b"},"schema_version":"1.0","source":{"id":"1911.00529","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.00529","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"1911.00529v1","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.00529","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"MXM765XVJD5A","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"pith_short_16","alias_value":"MXM765XVJD5AEQ6X","created_at":"2026-07-05T00:53:42Z"},{"alias_kind":"pith_short_8","alias_value":"MXM765XV","created_at":"2026-07-05T00:53:42Z"}],"graph_snapshots":[{"event_id":"sha256:abc65e843081c8ff49b39b7ffab3026638793a60dab685633874321f9392c4c1","target":"graph","created_at":"2026-07-05T00:53:42Z","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/1911.00529/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We elucidate the mismatch between the $A$-anomaly coefficient and the coefficient of the logarithmic term in the entanglement entropy of a Maxwell field. In contrast to the usual assumptions about the protection of renormalization group charges at the infrared, the logarithmic term is different for a free Maxwell field and a Maxwell field interacting with heavy charges. This is possible because of the presence of superselection sectors in the IR theory. However, the correction due to the coupling with charged vacuum fluctuations, that restores the anomaly coefficient, is independent of the pre","authors_text":"Diego Pontello, Horacio Casini, Javier M. Magan, Marina Huerta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-01T18:04:23Z","title":"On the logarithmic coefficient of the entanglement entropy of a Maxwell field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.00529","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":"sha256:35cfa7e49b1f0da999828d69952265f58643cdc6f05c0f56da97e2c241713b8e","target":"record","created_at":"2026-07-05T00:53:42Z","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":"726caf91dae0a9ff9dae54721a8ea3a7a536e831b77c8163683822759f025cfe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2019-11-01T18:04:23Z","title_canon_sha256":"3031305b675088c906b9deb483648fbc641fd0fa0faae65ca0d199c46f3c5e8b"},"schema_version":"1.0","source":{"id":"1911.00529","kind":"arxiv","version":1}},"canonical_sha256":"65d9ff76f548fa0243d7142d2b2d8ae1b5b3990ae78134529a9ac8b29ac167ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65d9ff76f548fa0243d7142d2b2d8ae1b5b3990ae78134529a9ac8b29ac167ce","first_computed_at":"2026-07-05T00:53:42.294281Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:53:42.294281Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nMxoKAG2Af5ORLnIPng4a6p1F/eZcDn73COpbN4KnhHzZspyugseBQR5YBHVVb8gKYRoUVwQU4kuZEabfftKDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:53:42.294777Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.00529","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:35cfa7e49b1f0da999828d69952265f58643cdc6f05c0f56da97e2c241713b8e","sha256:abc65e843081c8ff49b39b7ffab3026638793a60dab685633874321f9392c4c1"],"state_sha256":"d75e13cdd3b9e8e9d6a1d3a0e42db79de31f90b3a0b712d6b957293fcddf9d41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FtkA0YNiNmPpl46MZ6rUB6Z8smjN9RzkSHIvb/zl63WV0ZVjCxHVr7FkHuTF9D3pnOQQuqtnF6UZd+0CCa2IBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T09:50:58.536575Z","bundle_sha256":"c7d3b6924660c5c65720dab5b8db3514c25a1150faa91b01ef9bfc682d144626"}}