{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:BOP6DZH2E6YHARWNCDEV4NBGUK","short_pith_number":"pith:BOP6DZH2","canonical_record":{"source":{"id":"1901.09899","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-27T15:24:58Z","cross_cats_sorted":[],"title_canon_sha256":"c188e0900309bfe0fa753bcc52324dd3c90e65a25014222eea0c9257529ff353","abstract_canon_sha256":"36bbc87d3fab3df38a6b41d7985295c6f0779083bb5d0df98571f71648ffaee1"},"schema_version":"1.0"},"canonical_sha256":"0b9fe1e4fa27b07046cd10c95e3426a285d8249763bb88f82f382d3c8019cf80","source":{"kind":"arxiv","id":"1901.09899","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.09899","created_at":"2026-05-17T23:50:50Z"},{"alias_kind":"arxiv_version","alias_value":"1901.09899v2","created_at":"2026-05-17T23:50:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09899","created_at":"2026-05-17T23:50:50Z"},{"alias_kind":"pith_short_12","alias_value":"BOP6DZH2E6YH","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BOP6DZH2E6YHARWN","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BOP6DZH2","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:BOP6DZH2E6YHARWNCDEV4NBGUK","target":"record","payload":{"canonical_record":{"source":{"id":"1901.09899","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-27T15:24:58Z","cross_cats_sorted":[],"title_canon_sha256":"c188e0900309bfe0fa753bcc52324dd3c90e65a25014222eea0c9257529ff353","abstract_canon_sha256":"36bbc87d3fab3df38a6b41d7985295c6f0779083bb5d0df98571f71648ffaee1"},"schema_version":"1.0"},"canonical_sha256":"0b9fe1e4fa27b07046cd10c95e3426a285d8249763bb88f82f382d3c8019cf80","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:50.334682Z","signature_b64":"F/QOaSWtHuEVffUJqpc1et1QJRYmB2PrQn2pxidro+eTa6oTeXVNPDlIPujSbu1WNyxYAUaW0anQGS2VU+TTAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b9fe1e4fa27b07046cd10c95e3426a285d8249763bb88f82f382d3c8019cf80","last_reissued_at":"2026-05-17T23:50:50.334003Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:50.334003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.09899","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":"2026-05-17T23:50:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IGLlzoyHEqdbP0XzySog/X6SpgPEay3yXJcLrAO3pUOh47sUxZEzMRbe/L/tKAR9cdiWPEwNKHavam6bZ3SPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T23:30:36.791327Z"},"content_sha256":"498cf927fd32c7ee7246d037de0df2c3d9a4f4b15e2596f435dc1cdf95fd3d72","schema_version":"1.0","event_id":"sha256:498cf927fd32c7ee7246d037de0df2c3d9a4f4b15e2596f435dc1cdf95fd3d72"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:BOP6DZH2E6YHARWNCDEV4NBGUK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-geodesic incompleteness in Poincar\\'e gauge gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"F.J. Maldonado Torralba, J.A.R. Cembranos, J. Gigante Valcarcel","submitted_at":"2019-01-27T15:24:58Z","abstract_excerpt":"In this work we review the study of singularities in Poincar\\'e gauge theories of gravity. Since one of the most recent studies uses the appearance of black hole regions of arbitrary dimension as an indicator of singular behaviour, we also give some explicit examples of these structures and study how particles behave around them."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09899","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":"2026-05-17T23:50:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vDNo1XZ/0/JklvPMaoZ6c3HoXZ4IVaq4VNImJH8sRrcEkPC3QK5qTfcDmyNl89W1soNjRN41gATf6IVcHdj6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T23:30:36.792017Z"},"content_sha256":"57e6f93e5a2cc11407f9ae8bfbce8efd3b95854b3599f6fd9044c218ec5a60d3","schema_version":"1.0","event_id":"sha256:57e6f93e5a2cc11407f9ae8bfbce8efd3b95854b3599f6fd9044c218ec5a60d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BOP6DZH2E6YHARWNCDEV4NBGUK/bundle.json","state_url":"https://pith.science/pith/BOP6DZH2E6YHARWNCDEV4NBGUK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BOP6DZH2E6YHARWNCDEV4NBGUK/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":"2026-05-19T23:30:36Z","links":{"resolver":"https://pith.science/pith/BOP6DZH2E6YHARWNCDEV4NBGUK","bundle":"https://pith.science/pith/BOP6DZH2E6YHARWNCDEV4NBGUK/bundle.json","state":"https://pith.science/pith/BOP6DZH2E6YHARWNCDEV4NBGUK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BOP6DZH2E6YHARWNCDEV4NBGUK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BOP6DZH2E6YHARWNCDEV4NBGUK","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":"36bbc87d3fab3df38a6b41d7985295c6f0779083bb5d0df98571f71648ffaee1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-27T15:24:58Z","title_canon_sha256":"c188e0900309bfe0fa753bcc52324dd3c90e65a25014222eea0c9257529ff353"},"schema_version":"1.0","source":{"id":"1901.09899","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.09899","created_at":"2026-05-17T23:50:50Z"},{"alias_kind":"arxiv_version","alias_value":"1901.09899v2","created_at":"2026-05-17T23:50:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09899","created_at":"2026-05-17T23:50:50Z"},{"alias_kind":"pith_short_12","alias_value":"BOP6DZH2E6YH","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"BOP6DZH2E6YHARWN","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"BOP6DZH2","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:57e6f93e5a2cc11407f9ae8bfbce8efd3b95854b3599f6fd9044c218ec5a60d3","target":"graph","created_at":"2026-05-17T23:50:50Z","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":"In this work we review the study of singularities in Poincar\\'e gauge theories of gravity. Since one of the most recent studies uses the appearance of black hole regions of arbitrary dimension as an indicator of singular behaviour, we also give some explicit examples of these structures and study how particles behave around them.","authors_text":"F.J. Maldonado Torralba, J.A.R. Cembranos, J. Gigante Valcarcel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-27T15:24:58Z","title":"Non-geodesic incompleteness in Poincar\\'e gauge gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09899","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":"sha256:498cf927fd32c7ee7246d037de0df2c3d9a4f4b15e2596f435dc1cdf95fd3d72","target":"record","created_at":"2026-05-17T23:50:50Z","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":"36bbc87d3fab3df38a6b41d7985295c6f0779083bb5d0df98571f71648ffaee1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-01-27T15:24:58Z","title_canon_sha256":"c188e0900309bfe0fa753bcc52324dd3c90e65a25014222eea0c9257529ff353"},"schema_version":"1.0","source":{"id":"1901.09899","kind":"arxiv","version":2}},"canonical_sha256":"0b9fe1e4fa27b07046cd10c95e3426a285d8249763bb88f82f382d3c8019cf80","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b9fe1e4fa27b07046cd10c95e3426a285d8249763bb88f82f382d3c8019cf80","first_computed_at":"2026-05-17T23:50:50.334003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:50.334003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F/QOaSWtHuEVffUJqpc1et1QJRYmB2PrQn2pxidro+eTa6oTeXVNPDlIPujSbu1WNyxYAUaW0anQGS2VU+TTAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:50.334682Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.09899","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:498cf927fd32c7ee7246d037de0df2c3d9a4f4b15e2596f435dc1cdf95fd3d72","sha256:57e6f93e5a2cc11407f9ae8bfbce8efd3b95854b3599f6fd9044c218ec5a60d3"],"state_sha256":"b232d1fffc6956da84586c36a78f882f903f8560badef7478842d9c4034382a9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B5rth5v2Q7LsQ8q0vrTKtoKkizu4fL+GRMP1EsTue5tD4v3inqfurUHuY7KhaWsaM3og3pKLxPna0UvHZ15ZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T23:30:36.795984Z","bundle_sha256":"a41ec9bce70b6d9092804fc270963376c099d272cbf8d6d214201a6d0a646f56"}}