{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1992:YU4RFZSSTL6SBVSAPB7YXTARN2","short_pith_number":"pith:YU4RFZSS","canonical_record":{"source":{"id":"hep-lat/9212020","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1992-12-17T10:01:00Z","cross_cats_sorted":[],"title_canon_sha256":"ed3f896d6c7249d203d95a6f153780f38405ee76ef0df1b4feb6cd5fb81b605d","abstract_canon_sha256":"7d5f01636fd9869399ff5a74fd78e7f4d17c8d295a8a108d441a8ca437299aa5"},"schema_version":"1.0"},"canonical_sha256":"c53912e6529afd20d640787f8bcc116eb26758a26f3507ab34a69a610a96c23e","source":{"kind":"arxiv","id":"hep-lat/9212020","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9212020","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9212020v1","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9212020","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"pith_short_12","alias_value":"YU4RFZSSTL6S","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"pith_short_16","alias_value":"YU4RFZSSTL6SBVSA","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"pith_short_8","alias_value":"YU4RFZSS","created_at":"2026-07-04T15:54:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1992:YU4RFZSSTL6SBVSAPB7YXTARN2","target":"record","payload":{"canonical_record":{"source":{"id":"hep-lat/9212020","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-lat","submitted_at":"1992-12-17T10:01:00Z","cross_cats_sorted":[],"title_canon_sha256":"ed3f896d6c7249d203d95a6f153780f38405ee76ef0df1b4feb6cd5fb81b605d","abstract_canon_sha256":"7d5f01636fd9869399ff5a74fd78e7f4d17c8d295a8a108d441a8ca437299aa5"},"schema_version":"1.0"},"canonical_sha256":"c53912e6529afd20d640787f8bcc116eb26758a26f3507ab34a69a610a96c23e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:54:54.469703Z","signature_b64":"wH/AYJ0jz8NiRRVmuTraNx61pmvS1iZDDe5sIvNy61zcgZkA3JhdwlM+/VtVZObZD3uTfx+u9QGrTmJ3WGLMBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c53912e6529afd20d640787f8bcc116eb26758a26f3507ab34a69a610a96c23e","last_reissued_at":"2026-07-04T15:54:54.469313Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:54:54.469313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-lat/9212020","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":"2026-07-04T15:54:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4uCKAlnx+nFo4fH0AY87lA8zgMlIKc0OkNG6m+kESdiC3cGDyC8zojvcMUeKkxiwWMRhiuiXHK3Ei9uF/HwUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T20:47:34.942584Z"},"content_sha256":"73ace22705fb5e465d81c83cb80e14227f1a1f0dec680bb361c5ea084dc10bb1","schema_version":"1.0","event_id":"sha256:73ace22705fb5e465d81c83cb80e14227f1a1f0dec680bb361c5ea084dc10bb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1992:YU4RFZSSTL6SBVSAPB7YXTARN2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large N Lattice QED","license":"","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"A.F. Grillo, G. Di Carlo, V. Azcoiti","submitted_at":"1992-12-17T10:01:00Z","abstract_excerpt":"We study the $\\beta, N$ critical behaviour of non compact QED with $N$ species of light fermions, using a method we have proposed for unquenched simulations. We find that there exist two phase transition lines: one, second order, and the other, first order, that approaches asymptotically the $\\beta=0$ axis. These two lines have different physical origin, the second one being entirely due to fermions effects. We discuss the effect of the approximation used, in terms of an expansion of the effective action in powers of $N$, and conclude that the general features should not be affected by this ap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9212020","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/hep-lat/9212020/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":"2026-07-04T15:54:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+zimqCTHN6XOOcqxvu/tpsOVFyAiWl8nKxhudoaXjkb9g0oDd5JCn843uH7fuHZIzOPjAMsFcoNPRBA7gF9+Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T20:47:34.942956Z"},"content_sha256":"85f424b75ac37910f5409e701d18760c50e7f41b4a35ce3e8d31410b78444c05","schema_version":"1.0","event_id":"sha256:85f424b75ac37910f5409e701d18760c50e7f41b4a35ce3e8d31410b78444c05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YU4RFZSSTL6SBVSAPB7YXTARN2/bundle.json","state_url":"https://pith.science/pith/YU4RFZSSTL6SBVSAPB7YXTARN2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YU4RFZSSTL6SBVSAPB7YXTARN2/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":"2026-08-05T20:47:34Z","links":{"resolver":"https://pith.science/pith/YU4RFZSSTL6SBVSAPB7YXTARN2","bundle":"https://pith.science/pith/YU4RFZSSTL6SBVSAPB7YXTARN2/bundle.json","state":"https://pith.science/pith/YU4RFZSSTL6SBVSAPB7YXTARN2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YU4RFZSSTL6SBVSAPB7YXTARN2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1992:YU4RFZSSTL6SBVSAPB7YXTARN2","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":"7d5f01636fd9869399ff5a74fd78e7f4d17c8d295a8a108d441a8ca437299aa5","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1992-12-17T10:01:00Z","title_canon_sha256":"ed3f896d6c7249d203d95a6f153780f38405ee76ef0df1b4feb6cd5fb81b605d"},"schema_version":"1.0","source":{"id":"hep-lat/9212020","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-lat/9212020","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"arxiv_version","alias_value":"hep-lat/9212020v1","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-lat/9212020","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"pith_short_12","alias_value":"YU4RFZSSTL6S","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"pith_short_16","alias_value":"YU4RFZSSTL6SBVSA","created_at":"2026-07-04T15:54:54Z"},{"alias_kind":"pith_short_8","alias_value":"YU4RFZSS","created_at":"2026-07-04T15:54:54Z"}],"graph_snapshots":[{"event_id":"sha256:85f424b75ac37910f5409e701d18760c50e7f41b4a35ce3e8d31410b78444c05","target":"graph","created_at":"2026-07-04T15:54:54Z","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/hep-lat/9212020/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the $\\beta, N$ critical behaviour of non compact QED with $N$ species of light fermions, using a method we have proposed for unquenched simulations. We find that there exist two phase transition lines: one, second order, and the other, first order, that approaches asymptotically the $\\beta=0$ axis. These two lines have different physical origin, the second one being entirely due to fermions effects. We discuss the effect of the approximation used, in terms of an expansion of the effective action in powers of $N$, and conclude that the general features should not be affected by this ap","authors_text":"A.F. Grillo, G. Di Carlo, V. Azcoiti","cross_cats":[],"headline":"","license":"","primary_cat":"hep-lat","submitted_at":"1992-12-17T10:01:00Z","title":"Large N Lattice QED"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-lat/9212020","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":"sha256:73ace22705fb5e465d81c83cb80e14227f1a1f0dec680bb361c5ea084dc10bb1","target":"record","created_at":"2026-07-04T15:54:54Z","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":"7d5f01636fd9869399ff5a74fd78e7f4d17c8d295a8a108d441a8ca437299aa5","cross_cats_sorted":[],"license":"","primary_cat":"hep-lat","submitted_at":"1992-12-17T10:01:00Z","title_canon_sha256":"ed3f896d6c7249d203d95a6f153780f38405ee76ef0df1b4feb6cd5fb81b605d"},"schema_version":"1.0","source":{"id":"hep-lat/9212020","kind":"arxiv","version":1}},"canonical_sha256":"c53912e6529afd20d640787f8bcc116eb26758a26f3507ab34a69a610a96c23e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c53912e6529afd20d640787f8bcc116eb26758a26f3507ab34a69a610a96c23e","first_computed_at":"2026-07-04T15:54:54.469313Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:54:54.469313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wH/AYJ0jz8NiRRVmuTraNx61pmvS1iZDDe5sIvNy61zcgZkA3JhdwlM+/VtVZObZD3uTfx+u9QGrTmJ3WGLMBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:54:54.469703Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-lat/9212020","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73ace22705fb5e465d81c83cb80e14227f1a1f0dec680bb361c5ea084dc10bb1","sha256:85f424b75ac37910f5409e701d18760c50e7f41b4a35ce3e8d31410b78444c05"],"state_sha256":"b0c1e56aa455b6c90ff871e5a5e2dc605896d242c0c63536c96fc9ad47ba5689"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jDyXUp6KwrvIkMV3EIdc8j13d2mIOBIXzy0N01OBE5uNvf2IgizOfR1QxwlR9uS0gvbZpnD/Zrgeso2UB9aZCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T20:47:34.945312Z","bundle_sha256":"e6c21e2ea6edc277e73b0b0780492a6d00eb563837ecf4c0a1628a7d049d3053"}}