{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:QPQL4U77BH5OHHVRPHAWJ7EPCT","short_pith_number":"pith:QPQL4U77","canonical_record":{"source":{"id":"0910.4693","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-25T01:11:10Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"2fcf8a842a727e6c930eb09944cef77ac98f30060521db28e2c93ac9f0701fca","abstract_canon_sha256":"37996a6fd75626d90d5a2cb5834a12fe3d30ac6e3d676a362b075d1d279d1d62"},"schema_version":"1.0"},"canonical_sha256":"83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b","source":{"kind":"arxiv","id":"0910.4693","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4693","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4693v2","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4693","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"pith_short_12","alias_value":"QPQL4U77BH5O","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QPQL4U77BH5OHHVR","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QPQL4U77","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:QPQL4U77BH5OHHVRPHAWJ7EPCT","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4693","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-25T01:11:10Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"2fcf8a842a727e6c930eb09944cef77ac98f30060521db28e2c93ac9f0701fca","abstract_canon_sha256":"37996a6fd75626d90d5a2cb5834a12fe3d30ac6e3d676a362b075d1d279d1d62"},"schema_version":"1.0"},"canonical_sha256":"83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:12.934590Z","signature_b64":"KNVq6XkBXLIZyvCha/UkXeqLoZyEgqF+pBLs9UoyNP1Z55lVLXp3OzBkmqM/gid2Td4cTN8srr7vf6zWEXG1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b","last_reissued_at":"2026-05-18T02:34:12.934175Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:12.934175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4693","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":"2026-05-18T02:34:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xh3mYpVnfNpKvVsaIHMmnhx6giNEVK2MGYdTCMmBQAjJrg2Lh7GZp+LVcxxHZ1VCuTc3IwAzqdP5ffaDermMBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:31:11.330989Z"},"content_sha256":"1f5922b3fd9e319ecf7adfe76ca0ae857823c0ee98dc76c1f3f78de7da50d6ff","schema_version":"1.0","event_id":"sha256:1f5922b3fd9e319ecf7adfe76ca0ae857823c0ee98dc76c1f3f78de7da50d6ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:QPQL4U77BH5OHHVRPHAWJ7EPCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Born-Infeld Determinantal gravity and the taming of the conical singularity in 3-dimensional spacetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Franco Fiorini, Rafael Ferraro","submitted_at":"2009-10-25T01:11:10Z","abstract_excerpt":"In the context of Born-Infeld \\emph{determinantal} gravity formulated in a n-dimensional spacetime with absolute parallelism, we found an exact 3-dimensional \\emph{vacuum} circular symmetric solution without cosmological constant consisting in a rotating spacetime with non singular behavior. The space behaves at infinity as the conical geometry typical of 3-dimensional General Relativity without cosmological constant. However, the solution has no conical singularity because the space ends at a minimal circle that no freely falling particle can ever reach in a finite proper time. The space is c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4693","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":"2026-05-18T02:34:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DkDSvJfBXDaOXJFAWZ+yhNEOlOpLWGMVjzhuNDilMENV/4TU+dBjJWvC/aO79D8t9qU8dK/XqX1/DBiXzFc2AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:31:11.331625Z"},"content_sha256":"9caaf3491d6ec57948c8825a613fdda297894010f4fbb98ee4ad82a8f25495f3","schema_version":"1.0","event_id":"sha256:9caaf3491d6ec57948c8825a613fdda297894010f4fbb98ee4ad82a8f25495f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT/bundle.json","state_url":"https://pith.science/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT/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":"2026-05-27T03:31:11Z","links":{"resolver":"https://pith.science/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT","bundle":"https://pith.science/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT/bundle.json","state":"https://pith.science/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QPQL4U77BH5OHHVRPHAWJ7EPCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:QPQL4U77BH5OHHVRPHAWJ7EPCT","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":"37996a6fd75626d90d5a2cb5834a12fe3d30ac6e3d676a362b075d1d279d1d62","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-25T01:11:10Z","title_canon_sha256":"2fcf8a842a727e6c930eb09944cef77ac98f30060521db28e2c93ac9f0701fca"},"schema_version":"1.0","source":{"id":"0910.4693","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4693","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4693v2","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4693","created_at":"2026-05-18T02:34:12Z"},{"alias_kind":"pith_short_12","alias_value":"QPQL4U77BH5O","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QPQL4U77BH5OHHVR","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QPQL4U77","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:9caaf3491d6ec57948c8825a613fdda297894010f4fbb98ee4ad82a8f25495f3","target":"graph","created_at":"2026-05-18T02:34:12Z","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 the context of Born-Infeld \\emph{determinantal} gravity formulated in a n-dimensional spacetime with absolute parallelism, we found an exact 3-dimensional \\emph{vacuum} circular symmetric solution without cosmological constant consisting in a rotating spacetime with non singular behavior. The space behaves at infinity as the conical geometry typical of 3-dimensional General Relativity without cosmological constant. However, the solution has no conical singularity because the space ends at a minimal circle that no freely falling particle can ever reach in a finite proper time. The space is c","authors_text":"Franco Fiorini, Rafael Ferraro","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-25T01:11:10Z","title":"Born-Infeld Determinantal gravity and the taming of the conical singularity in 3-dimensional spacetime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4693","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":"sha256:1f5922b3fd9e319ecf7adfe76ca0ae857823c0ee98dc76c1f3f78de7da50d6ff","target":"record","created_at":"2026-05-18T02:34:12Z","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":"37996a6fd75626d90d5a2cb5834a12fe3d30ac6e3d676a362b075d1d279d1d62","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2009-10-25T01:11:10Z","title_canon_sha256":"2fcf8a842a727e6c930eb09944cef77ac98f30060521db28e2c93ac9f0701fca"},"schema_version":"1.0","source":{"id":"0910.4693","kind":"arxiv","version":2}},"canonical_sha256":"83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83e0be53ff09fae39eb179c164fc8f14ec600a4a08afb7239f7ffdaa1e98647b","first_computed_at":"2026-05-18T02:34:12.934175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:12.934175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KNVq6XkBXLIZyvCha/UkXeqLoZyEgqF+pBLs9UoyNP1Z55lVLXp3OzBkmqM/gid2Td4cTN8srr7vf6zWEXG1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:12.934590Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4693","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1f5922b3fd9e319ecf7adfe76ca0ae857823c0ee98dc76c1f3f78de7da50d6ff","sha256:9caaf3491d6ec57948c8825a613fdda297894010f4fbb98ee4ad82a8f25495f3"],"state_sha256":"3aa4bc081c7d06dbad96ec88029de9de23e29d5507a0efc5742400f109556997"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSXcSpobiP/eQJWwugSma5y9i5ca9Q6mOOrNbxybXKNCNQ5565f+EZTN8cjXdK34CcbjNEHt5LBMkGB7kri3BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:31:11.335105Z","bundle_sha256":"f0a376a5b9cbd1e37d62ad3b97ce5451724dac8ccefedb2a31ceaf544bfb3438"}}