{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GIFZORVJMDDZPAVVVWOWNSUMAB","short_pith_number":"pith:GIFZORVJ","canonical_record":{"source":{"id":"1306.0044","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"math.LO","submitted_at":"2013-05-31T22:39:31Z","cross_cats_sorted":[],"title_canon_sha256":"da23f0820363dbee0999e6307086db7fe57e91cfe131bbafba31d53186769a4e","abstract_canon_sha256":"26e8bdb3c4f2fd0efc3e30bc57650a727b510740dc7b9871b9c2058f4767010c"},"schema_version":"1.0"},"canonical_sha256":"320b9746a960c79782b5ad9d66ca8c004b9467c0d1249e969b6d9fd1625a4ce5","source":{"kind":"arxiv","id":"1306.0044","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0044","created_at":"2026-05-18T03:13:33Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0044v2","created_at":"2026-05-18T03:13:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0044","created_at":"2026-05-18T03:13:33Z"},{"alias_kind":"pith_short_12","alias_value":"GIFZORVJMDDZ","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GIFZORVJMDDZPAVV","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GIFZORVJ","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GIFZORVJMDDZPAVVVWOWNSUMAB","target":"record","payload":{"canonical_record":{"source":{"id":"1306.0044","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"math.LO","submitted_at":"2013-05-31T22:39:31Z","cross_cats_sorted":[],"title_canon_sha256":"da23f0820363dbee0999e6307086db7fe57e91cfe131bbafba31d53186769a4e","abstract_canon_sha256":"26e8bdb3c4f2fd0efc3e30bc57650a727b510740dc7b9871b9c2058f4767010c"},"schema_version":"1.0"},"canonical_sha256":"320b9746a960c79782b5ad9d66ca8c004b9467c0d1249e969b6d9fd1625a4ce5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:13:33.599917Z","signature_b64":"nDYcuwUh5m9m9tznTzDzY72VVhIWV2r0oLE5pdJYqnU3x3tH9nyWDFM/+fJ7lHz0jjQI6ZB6Tsadw/cX/vs1DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"320b9746a960c79782b5ad9d66ca8c004b9467c0d1249e969b6d9fd1625a4ce5","last_reissued_at":"2026-05-18T03:13:33.599439Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:13:33.599439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.0044","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":"2026-05-18T03:13:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hEZrqb3zJ4hIzT//jWPhaAxCFjKBmvlEFxT9XBOzSpXR1SiE7YTGKeC720yDpV2QkgXyVct5iSvGAzTPOSJEBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:52:05.522886Z"},"content_sha256":"671c156392d83b99a2721ef07fa3c7ba521c09f6174e8a09e59024104d297298","schema_version":"1.0","event_id":"sha256:671c156392d83b99a2721ef07fa3c7ba521c09f6174e8a09e59024104d297298"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GIFZORVJMDDZPAVVVWOWNSUMAB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the comprehension schema in LP=>","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"math.LO","authors_text":"Nick Thomas","submitted_at":"2013-05-31T22:39:31Z","abstract_excerpt":"We construct a model of the comprehension schema in the logic LP=>."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0044","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":"2026-05-18T03:13:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tfq4LWoZQ9MSQ7GFUSzXJ+quMm8kx4goEWOi7Cbdwi/WWvJvGH6cuO9sWCo8IE0PD20dQIKgRVkuuxJVV5tSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:52:05.523217Z"},"content_sha256":"692810a21f18e724eea544982a62b32e33776eda56e2310cf5063b45f675f5d4","schema_version":"1.0","event_id":"sha256:692810a21f18e724eea544982a62b32e33776eda56e2310cf5063b45f675f5d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GIFZORVJMDDZPAVVVWOWNSUMAB/bundle.json","state_url":"https://pith.science/pith/GIFZORVJMDDZPAVVVWOWNSUMAB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GIFZORVJMDDZPAVVVWOWNSUMAB/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":"2026-07-07T15:52:05Z","links":{"resolver":"https://pith.science/pith/GIFZORVJMDDZPAVVVWOWNSUMAB","bundle":"https://pith.science/pith/GIFZORVJMDDZPAVVVWOWNSUMAB/bundle.json","state":"https://pith.science/pith/GIFZORVJMDDZPAVVVWOWNSUMAB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GIFZORVJMDDZPAVVVWOWNSUMAB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GIFZORVJMDDZPAVVVWOWNSUMAB","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":"26e8bdb3c4f2fd0efc3e30bc57650a727b510740dc7b9871b9c2058f4767010c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"math.LO","submitted_at":"2013-05-31T22:39:31Z","title_canon_sha256":"da23f0820363dbee0999e6307086db7fe57e91cfe131bbafba31d53186769a4e"},"schema_version":"1.0","source":{"id":"1306.0044","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0044","created_at":"2026-05-18T03:13:33Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0044v2","created_at":"2026-05-18T03:13:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0044","created_at":"2026-05-18T03:13:33Z"},{"alias_kind":"pith_short_12","alias_value":"GIFZORVJMDDZ","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GIFZORVJMDDZPAVV","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GIFZORVJ","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:692810a21f18e724eea544982a62b32e33776eda56e2310cf5063b45f675f5d4","target":"graph","created_at":"2026-05-18T03:13:33Z","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 construct a model of the comprehension schema in the logic LP=>.","authors_text":"Nick Thomas","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"math.LO","submitted_at":"2013-05-31T22:39:31Z","title":"On the comprehension schema in LP=>"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0044","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":"sha256:671c156392d83b99a2721ef07fa3c7ba521c09f6174e8a09e59024104d297298","target":"record","created_at":"2026-05-18T03:13:33Z","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":"26e8bdb3c4f2fd0efc3e30bc57650a727b510740dc7b9871b9c2058f4767010c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"math.LO","submitted_at":"2013-05-31T22:39:31Z","title_canon_sha256":"da23f0820363dbee0999e6307086db7fe57e91cfe131bbafba31d53186769a4e"},"schema_version":"1.0","source":{"id":"1306.0044","kind":"arxiv","version":2}},"canonical_sha256":"320b9746a960c79782b5ad9d66ca8c004b9467c0d1249e969b6d9fd1625a4ce5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"320b9746a960c79782b5ad9d66ca8c004b9467c0d1249e969b6d9fd1625a4ce5","first_computed_at":"2026-05-18T03:13:33.599439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:13:33.599439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nDYcuwUh5m9m9tznTzDzY72VVhIWV2r0oLE5pdJYqnU3x3tH9nyWDFM/+fJ7lHz0jjQI6ZB6Tsadw/cX/vs1DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:13:33.599917Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0044","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:671c156392d83b99a2721ef07fa3c7ba521c09f6174e8a09e59024104d297298","sha256:692810a21f18e724eea544982a62b32e33776eda56e2310cf5063b45f675f5d4"],"state_sha256":"38da61eaf328031fcfb16b50e06a2ca2a0b2172477439a526bcbee0cb1d3803b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x/t41fMfOdq89kaRVuEQK1z8I2VHcKvKOR7/Ld7Xybnl0NH0Buk7tDtBAgf9nAlT1coSpuVKkvFy5X0boGWfAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:52:05.525023Z","bundle_sha256":"eede7e8c6bd8196138324d5d70b85fb7d2833b1b797cc6c75bd521eb3353023f"}}