{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:VDSX237KXEQVJXL6RNL54W4SZX","short_pith_number":"pith:VDSX237K","canonical_record":{"source":{"id":"0811.3147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-11-19T16:41:40Z","cross_cats_sorted":[],"title_canon_sha256":"589e32aa27f294428875c709eff8622c92d24526afc74d845c7f75e94cc293e1","abstract_canon_sha256":"95eaa949e8929307dd8184531e27197e7b3f2b7bb98e35c0d6e677d577cf3c18"},"schema_version":"1.0"},"canonical_sha256":"a8e57d6feab92154dd7e8b57de5b92cdd6195e7176f5495d40180690d03bba32","source":{"kind":"arxiv","id":"0811.3147","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.3147","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"arxiv_version","alias_value":"0811.3147v1","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.3147","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"pith_short_12","alias_value":"VDSX237KXEQV","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"pith_short_16","alias_value":"VDSX237KXEQVJXL6","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"pith_short_8","alias_value":"VDSX237K","created_at":"2026-07-04T15:37:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:VDSX237KXEQVJXL6RNL54W4SZX","target":"record","payload":{"canonical_record":{"source":{"id":"0811.3147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-11-19T16:41:40Z","cross_cats_sorted":[],"title_canon_sha256":"589e32aa27f294428875c709eff8622c92d24526afc74d845c7f75e94cc293e1","abstract_canon_sha256":"95eaa949e8929307dd8184531e27197e7b3f2b7bb98e35c0d6e677d577cf3c18"},"schema_version":"1.0"},"canonical_sha256":"a8e57d6feab92154dd7e8b57de5b92cdd6195e7176f5495d40180690d03bba32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:37:49.209111Z","signature_b64":"cyRLuIkIg3lWckpCf4SRTe2/0idyZ0nkfPF91y7e6FCsyv2AT4ySTDSc9lAS99KGffL3RZMfH7FZphwdbPDKBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8e57d6feab92154dd7e8b57de5b92cdd6195e7176f5495d40180690d03bba32","last_reissued_at":"2026-07-04T15:37:49.208761Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:37:49.208761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.3147","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":"2026-07-04T15:37:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iVTDVZHZabIFiDuoP4au6+s3rswburA1bhC/opN9OBmHKJvxR5WvihWHG/NEPWkLuwcgfwErbUohhSwBlwEfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:17:27.155806Z"},"content_sha256":"ad62b4dbdcd8076a71eea2aea10254f8dd4f120743e39965b5b7f73113ee6bfe","schema_version":"1.0","event_id":"sha256:ad62b4dbdcd8076a71eea2aea10254f8dd4f120743e39965b5b7f73113ee6bfe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:VDSX237KXEQVJXL6RNL54W4SZX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Plebanski gravity without the simplicity constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Kirill Krasnov","submitted_at":"2008-11-19T16:41:40Z","abstract_excerpt":"In Plebanski's self-dual formulation general relativity becomes SO(3) BF theory supplemented with the so-called simplicity (or metricity) constraints for the B-field. The main dynamical equation of the theory states that the curvature of the B-compatible SO(3) connection is self-dual, with the notion of self-duality being defined by the B-field. We describe a theory obtained by dropping the metricity constraints, keeping only the requirement that the curvature of the B-compatible connection is self-dual. It turns out that the theory one obtains is to a very large degree fixed by the Bianchi id"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.3147","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/0811.3147/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":"2026-07-04T15:37:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/J3GooqV6eNavQxhcIHV1CtDZkHnCpBOqF5GoiJblE0JDtVyBbebveNKc+mVv3mR6Q1hcZ6FycYs63Kaqu1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T14:17:27.156801Z"},"content_sha256":"7ddbbc50099794031739cbd64bc8a1e6e9d95d936ab2ee3778c2cc943e8f4f5e","schema_version":"1.0","event_id":"sha256:7ddbbc50099794031739cbd64bc8a1e6e9d95d936ab2ee3778c2cc943e8f4f5e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VDSX237KXEQVJXL6RNL54W4SZX/bundle.json","state_url":"https://pith.science/pith/VDSX237KXEQVJXL6RNL54W4SZX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VDSX237KXEQVJXL6RNL54W4SZX/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":"2026-08-09T14:17:27Z","links":{"resolver":"https://pith.science/pith/VDSX237KXEQVJXL6RNL54W4SZX","bundle":"https://pith.science/pith/VDSX237KXEQVJXL6RNL54W4SZX/bundle.json","state":"https://pith.science/pith/VDSX237KXEQVJXL6RNL54W4SZX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VDSX237KXEQVJXL6RNL54W4SZX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:VDSX237KXEQVJXL6RNL54W4SZX","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":"95eaa949e8929307dd8184531e27197e7b3f2b7bb98e35c0d6e677d577cf3c18","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-11-19T16:41:40Z","title_canon_sha256":"589e32aa27f294428875c709eff8622c92d24526afc74d845c7f75e94cc293e1"},"schema_version":"1.0","source":{"id":"0811.3147","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.3147","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"arxiv_version","alias_value":"0811.3147v1","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.3147","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"pith_short_12","alias_value":"VDSX237KXEQV","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"pith_short_16","alias_value":"VDSX237KXEQVJXL6","created_at":"2026-07-04T15:37:49Z"},{"alias_kind":"pith_short_8","alias_value":"VDSX237K","created_at":"2026-07-04T15:37:49Z"}],"graph_snapshots":[{"event_id":"sha256:7ddbbc50099794031739cbd64bc8a1e6e9d95d936ab2ee3778c2cc943e8f4f5e","target":"graph","created_at":"2026-07-04T15:37:49Z","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/0811.3147/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In Plebanski's self-dual formulation general relativity becomes SO(3) BF theory supplemented with the so-called simplicity (or metricity) constraints for the B-field. The main dynamical equation of the theory states that the curvature of the B-compatible SO(3) connection is self-dual, with the notion of self-duality being defined by the B-field. We describe a theory obtained by dropping the metricity constraints, keeping only the requirement that the curvature of the B-compatible connection is self-dual. It turns out that the theory one obtains is to a very large degree fixed by the Bianchi id","authors_text":"Kirill Krasnov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-11-19T16:41:40Z","title":"Plebanski gravity without the simplicity constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.3147","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:ad62b4dbdcd8076a71eea2aea10254f8dd4f120743e39965b5b7f73113ee6bfe","target":"record","created_at":"2026-07-04T15:37:49Z","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":"95eaa949e8929307dd8184531e27197e7b3f2b7bb98e35c0d6e677d577cf3c18","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2008-11-19T16:41:40Z","title_canon_sha256":"589e32aa27f294428875c709eff8622c92d24526afc74d845c7f75e94cc293e1"},"schema_version":"1.0","source":{"id":"0811.3147","kind":"arxiv","version":1}},"canonical_sha256":"a8e57d6feab92154dd7e8b57de5b92cdd6195e7176f5495d40180690d03bba32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8e57d6feab92154dd7e8b57de5b92cdd6195e7176f5495d40180690d03bba32","first_computed_at":"2026-07-04T15:37:49.208761Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:37:49.208761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cyRLuIkIg3lWckpCf4SRTe2/0idyZ0nkfPF91y7e6FCsyv2AT4ySTDSc9lAS99KGffL3RZMfH7FZphwdbPDKBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:37:49.209111Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.3147","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad62b4dbdcd8076a71eea2aea10254f8dd4f120743e39965b5b7f73113ee6bfe","sha256:7ddbbc50099794031739cbd64bc8a1e6e9d95d936ab2ee3778c2cc943e8f4f5e"],"state_sha256":"1845fcbcec1e23f681df441c274b11940e483caf83a50caec3164f3e2413dbdc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B0dVAHQxdN5MZ49KZLcISHm0VXDKy/cDGi+bMlhfc8snafNT3F1GwIeu9RCAYVmni5hBunIsDuIj9pAqpU6cCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T14:17:27.162133Z","bundle_sha256":"a9afa2ea74f7fe9c649aff78416643dfb279406bf2e5bf8c2cc4d26bf984ac1b"}}