{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OKNRJTHQPBMQDUYQM4NHILZD4D","short_pith_number":"pith:OKNRJTHQ","canonical_record":{"source":{"id":"1512.03759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-12-11T19:08:40Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"dedbe3f37c34f07e9daaad50f1499b87e1c1e878631fa3e1421f6bd46a75fe72","abstract_canon_sha256":"daf2d3eb2ea71a4ecd6678d2a4dc0d36c16f4cc5be6e675313c572a270385f6c"},"schema_version":"1.0"},"canonical_sha256":"729b14ccf0785901d310671a742f23e0db281e42afba50043926dd3e4f4b9875","source":{"kind":"arxiv","id":"1512.03759","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03759","created_at":"2026-05-18T01:24:31Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03759v1","created_at":"2026-05-18T01:24:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03759","created_at":"2026-05-18T01:24:31Z"},{"alias_kind":"pith_short_12","alias_value":"OKNRJTHQPBMQ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OKNRJTHQPBMQDUYQ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OKNRJTHQ","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OKNRJTHQPBMQDUYQM4NHILZD4D","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-12-11T19:08:40Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"dedbe3f37c34f07e9daaad50f1499b87e1c1e878631fa3e1421f6bd46a75fe72","abstract_canon_sha256":"daf2d3eb2ea71a4ecd6678d2a4dc0d36c16f4cc5be6e675313c572a270385f6c"},"schema_version":"1.0"},"canonical_sha256":"729b14ccf0785901d310671a742f23e0db281e42afba50043926dd3e4f4b9875","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:31.418158Z","signature_b64":"WKicYy4b2tMChgBH8sjoNdpUuZi84erUUAMs0hcBIbYZf1ChsuCHA8/j54hnJkrJP36gKJl4DyMe3nBM4yjMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"729b14ccf0785901d310671a742f23e0db281e42afba50043926dd3e4f4b9875","last_reissued_at":"2026-05-18T01:24:31.417672Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:31.417672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03759","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":"2026-05-18T01:24:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MrrVPzvdbE54pFi8hgmlkfDaJ9vOiznRmBVwC8GRbN/b18oWhUu2KCr8rsVgaITwMnCMYiMie1o3TT7ZZArjCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:50:56.660724Z"},"content_sha256":"b82dfc6f519258c4aafb119b6717543990ded5e156a783e0387f5943f1397c4f","schema_version":"1.0","event_id":"sha256:b82dfc6f519258c4aafb119b6717543990ded5e156a783e0387f5943f1397c4f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OKNRJTHQPBMQDUYQM4NHILZD4D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bimetric Gravity From Adjoint Frame Field In Four Dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"hep-th","authors_text":"Ivan Schmidt, Zhi-Qiang Guo","submitted_at":"2015-12-11T19:08:40Z","abstract_excerpt":"We provide a novel model of gravity by using adjoint frame fields in four dimensions. It has a natural interpretation as a gravitational theory of a complex metric field, which describes interactions between two real metrics. The classical solutions establish three appealing features. The spherical symmetric black hole solution has an additional hair, which includes the Schwarzschild solution as a special case. The de Sitter solution is realized without introducing a cosmological constant. The constant flat background breaks the Lorentz invariance spontaneously, although the Lorentz breaking e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03759","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":""},"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":"2026-05-18T01:24:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fk9nL3hxJynmv4utKPrbJuTdULQ9OUCb0py7T1B/VnYvJp2EHTrxai1PDMcR9PfiURByKzAZwSyGfeOqs9uCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:50:56.661068Z"},"content_sha256":"1422e866148a2bb8eb0c7b8988734462684b12e0d17842cdbeecda7065424904","schema_version":"1.0","event_id":"sha256:1422e866148a2bb8eb0c7b8988734462684b12e0d17842cdbeecda7065424904"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OKNRJTHQPBMQDUYQM4NHILZD4D/bundle.json","state_url":"https://pith.science/pith/OKNRJTHQPBMQDUYQM4NHILZD4D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OKNRJTHQPBMQDUYQM4NHILZD4D/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":"2026-06-01T02:50:56Z","links":{"resolver":"https://pith.science/pith/OKNRJTHQPBMQDUYQM4NHILZD4D","bundle":"https://pith.science/pith/OKNRJTHQPBMQDUYQM4NHILZD4D/bundle.json","state":"https://pith.science/pith/OKNRJTHQPBMQDUYQM4NHILZD4D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OKNRJTHQPBMQDUYQM4NHILZD4D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OKNRJTHQPBMQDUYQM4NHILZD4D","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":"daf2d3eb2ea71a4ecd6678d2a4dc0d36c16f4cc5be6e675313c572a270385f6c","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-12-11T19:08:40Z","title_canon_sha256":"dedbe3f37c34f07e9daaad50f1499b87e1c1e878631fa3e1421f6bd46a75fe72"},"schema_version":"1.0","source":{"id":"1512.03759","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03759","created_at":"2026-05-18T01:24:31Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03759v1","created_at":"2026-05-18T01:24:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03759","created_at":"2026-05-18T01:24:31Z"},{"alias_kind":"pith_short_12","alias_value":"OKNRJTHQPBMQ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OKNRJTHQPBMQDUYQ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OKNRJTHQ","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:1422e866148a2bb8eb0c7b8988734462684b12e0d17842cdbeecda7065424904","target":"graph","created_at":"2026-05-18T01:24:31Z","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 provide a novel model of gravity by using adjoint frame fields in four dimensions. It has a natural interpretation as a gravitational theory of a complex metric field, which describes interactions between two real metrics. The classical solutions establish three appealing features. The spherical symmetric black hole solution has an additional hair, which includes the Schwarzschild solution as a special case. The de Sitter solution is realized without introducing a cosmological constant. The constant flat background breaks the Lorentz invariance spontaneously, although the Lorentz breaking e","authors_text":"Ivan Schmidt, Zhi-Qiang Guo","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-12-11T19:08:40Z","title":"Bimetric Gravity From Adjoint Frame Field In Four Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03759","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:b82dfc6f519258c4aafb119b6717543990ded5e156a783e0387f5943f1397c4f","target":"record","created_at":"2026-05-18T01:24:31Z","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":"daf2d3eb2ea71a4ecd6678d2a4dc0d36c16f4cc5be6e675313c572a270385f6c","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-12-11T19:08:40Z","title_canon_sha256":"dedbe3f37c34f07e9daaad50f1499b87e1c1e878631fa3e1421f6bd46a75fe72"},"schema_version":"1.0","source":{"id":"1512.03759","kind":"arxiv","version":1}},"canonical_sha256":"729b14ccf0785901d310671a742f23e0db281e42afba50043926dd3e4f4b9875","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"729b14ccf0785901d310671a742f23e0db281e42afba50043926dd3e4f4b9875","first_computed_at":"2026-05-18T01:24:31.417672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:31.417672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WKicYy4b2tMChgBH8sjoNdpUuZi84erUUAMs0hcBIbYZf1ChsuCHA8/j54hnJkrJP36gKJl4DyMe3nBM4yjMDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:31.418158Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03759","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b82dfc6f519258c4aafb119b6717543990ded5e156a783e0387f5943f1397c4f","sha256:1422e866148a2bb8eb0c7b8988734462684b12e0d17842cdbeecda7065424904"],"state_sha256":"47e1764afb4d32141738a3c4188a710769750e3e3885b3be1dd949a598ef913a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IY3TPMVuZLS3piJur/89S8opvRjdHNc34eRkkg2cXFQSrFehCkx+ThYPneI84rO14xPXtzasCRAnCOPk3MYyAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:50:56.663518Z","bundle_sha256":"3f8eb4c9b431c1c34f069f9329e6d55cb1e855bf1c27a7c2824d76394af9cb03"}}