{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WWJW2EJSG4ATGNMEYDZJG2URHO","short_pith_number":"pith:WWJW2EJS","canonical_record":{"source":{"id":"1512.01202","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-03T19:26:33Z","cross_cats_sorted":[],"title_canon_sha256":"08c4d4df26f725e1aec0ea4ca69127e5e3e0f263c25b88e771466d7a74d8cfda","abstract_canon_sha256":"297db6df16664333d4559a1f0f13dd39ea31caf233e2f78823748dceb4fedbf6"},"schema_version":"1.0"},"canonical_sha256":"b5936d11323701333584c0f2936a913b932e9c9d84c4d1fc3f371c56d46e7828","source":{"kind":"arxiv","id":"1512.01202","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01202","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01202v1","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01202","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"WWJW2EJSG4AT","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WWJW2EJSG4ATGNME","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WWJW2EJS","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WWJW2EJSG4ATGNMEYDZJG2URHO","target":"record","payload":{"canonical_record":{"source":{"id":"1512.01202","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-03T19:26:33Z","cross_cats_sorted":[],"title_canon_sha256":"08c4d4df26f725e1aec0ea4ca69127e5e3e0f263c25b88e771466d7a74d8cfda","abstract_canon_sha256":"297db6df16664333d4559a1f0f13dd39ea31caf233e2f78823748dceb4fedbf6"},"schema_version":"1.0"},"canonical_sha256":"b5936d11323701333584c0f2936a913b932e9c9d84c4d1fc3f371c56d46e7828","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:17.545359Z","signature_b64":"zok1LNRS2d8SDdhVzMQL0wKM0n1wcqKfcHNeEY+IGTZClQoC0zM8bmgvvM+uJo93CCCIqrg5VrTEgxiadQYFBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5936d11323701333584c0f2936a913b932e9c9d84c4d1fc3f371c56d46e7828","last_reissued_at":"2026-05-18T01:25:17.544644Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:17.544644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.01202","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":"2026-05-18T01:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vtgkWIWG/lYkKa1kh6iXBMjVoAqHahVN+sj1QhfBV66U1wpolpUkR0MGVEL1VhlWYFVsshvCmloqDCcHVbdJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:36:53.488235Z"},"content_sha256":"b06e807b31323a12d8dc25b46c2f3250614f55035d605c8f011ccca45b2251f4","schema_version":"1.0","event_id":"sha256:b06e807b31323a12d8dc25b46c2f3250614f55035d605c8f011ccca45b2251f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WWJW2EJSG4ATGNMEYDZJG2URHO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"General Poincar\\'e Gauge Theory Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Fei-Hung Ho, Hsin Chen, Hwei-Jang Yo, James M. Nester","submitted_at":"2015-12-03T19:26:33Z","abstract_excerpt":"For the quadratic Poincar\\'e gauge theory of gravity (PG) we consider the FLRW cosmologies using an isotropic Bianchi representation. Here the considered cosmologies are for the general case: all the even and odd parity terms of the quadratic PG with their respective scalar and pseudoscalar parameters are allowed with no \\emph{a priori} restrictions on their values. With the aid of a manifestly homogeneous and isotropic representation, an effective Lagrangian gives the second order dynamical equations for the gauge potentials. An equivalent set of first order equations for the observables is p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01202","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":"2026-05-18T01:25:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KNko32HgbEmqPYON7quq9RzsAh4NVg/ENmQD2dcuMFR1953hbTlMOdxpqbp3S35goKClMVG8UQW0R1NKgxAIDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:36:53.488888Z"},"content_sha256":"1bc9f757fb9458b3f86cb70c9ad91fe46e7a4da09855c64447c254b06848b5ad","schema_version":"1.0","event_id":"sha256:1bc9f757fb9458b3f86cb70c9ad91fe46e7a4da09855c64447c254b06848b5ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWJW2EJSG4ATGNMEYDZJG2URHO/bundle.json","state_url":"https://pith.science/pith/WWJW2EJSG4ATGNMEYDZJG2URHO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWJW2EJSG4ATGNMEYDZJG2URHO/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":"2026-05-27T11:36:53Z","links":{"resolver":"https://pith.science/pith/WWJW2EJSG4ATGNMEYDZJG2URHO","bundle":"https://pith.science/pith/WWJW2EJSG4ATGNMEYDZJG2URHO/bundle.json","state":"https://pith.science/pith/WWJW2EJSG4ATGNMEYDZJG2URHO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWJW2EJSG4ATGNMEYDZJG2URHO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WWJW2EJSG4ATGNMEYDZJG2URHO","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":"297db6df16664333d4559a1f0f13dd39ea31caf233e2f78823748dceb4fedbf6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-03T19:26:33Z","title_canon_sha256":"08c4d4df26f725e1aec0ea4ca69127e5e3e0f263c25b88e771466d7a74d8cfda"},"schema_version":"1.0","source":{"id":"1512.01202","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.01202","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"1512.01202v1","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.01202","created_at":"2026-05-18T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"WWJW2EJSG4AT","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WWJW2EJSG4ATGNME","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WWJW2EJS","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:1bc9f757fb9458b3f86cb70c9ad91fe46e7a4da09855c64447c254b06848b5ad","target":"graph","created_at":"2026-05-18T01:25:17Z","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":"For the quadratic Poincar\\'e gauge theory of gravity (PG) we consider the FLRW cosmologies using an isotropic Bianchi representation. Here the considered cosmologies are for the general case: all the even and odd parity terms of the quadratic PG with their respective scalar and pseudoscalar parameters are allowed with no \\emph{a priori} restrictions on their values. With the aid of a manifestly homogeneous and isotropic representation, an effective Lagrangian gives the second order dynamical equations for the gauge potentials. An equivalent set of first order equations for the observables is p","authors_text":"Fei-Hung Ho, Hsin Chen, Hwei-Jang Yo, James M. Nester","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-03T19:26:33Z","title":"General Poincar\\'e Gauge Theory Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.01202","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:b06e807b31323a12d8dc25b46c2f3250614f55035d605c8f011ccca45b2251f4","target":"record","created_at":"2026-05-18T01:25:17Z","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":"297db6df16664333d4559a1f0f13dd39ea31caf233e2f78823748dceb4fedbf6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-03T19:26:33Z","title_canon_sha256":"08c4d4df26f725e1aec0ea4ca69127e5e3e0f263c25b88e771466d7a74d8cfda"},"schema_version":"1.0","source":{"id":"1512.01202","kind":"arxiv","version":1}},"canonical_sha256":"b5936d11323701333584c0f2936a913b932e9c9d84c4d1fc3f371c56d46e7828","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5936d11323701333584c0f2936a913b932e9c9d84c4d1fc3f371c56d46e7828","first_computed_at":"2026-05-18T01:25:17.544644Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:17.544644Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zok1LNRS2d8SDdhVzMQL0wKM0n1wcqKfcHNeEY+IGTZClQoC0zM8bmgvvM+uJo93CCCIqrg5VrTEgxiadQYFBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:17.545359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.01202","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b06e807b31323a12d8dc25b46c2f3250614f55035d605c8f011ccca45b2251f4","sha256:1bc9f757fb9458b3f86cb70c9ad91fe46e7a4da09855c64447c254b06848b5ad"],"state_sha256":"6169288a5069e630266099bee81dee02eb3f45e3549f0f9ee11efb7890581361"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9x2RG6BmHiqlJ3ABhXf8cpSl1q73msmjnJxEP4Ms20/SxYl1jRPUn76n2Sl3Y4pgBs19+Qjsz5Xakb6XL1y3BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:36:53.492538Z","bundle_sha256":"bcd8a2030077ffe0c4752741ec3b29ac5f7dbe3c43d8f6cf592e37fdcd92bce6"}}