{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:XCZIYF3BE35CZG7J7SBZJVSPX2","short_pith_number":"pith:XCZIYF3B","canonical_record":{"source":{"id":"1401.3275","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-14T18:38:10Z","cross_cats_sorted":[],"title_canon_sha256":"7a90164f2a0a2f2f57881bd7ba7adbba815568d5b423bb18620fca17539fb610","abstract_canon_sha256":"fdb2f772e389e8f6c4bfd0d7b39525044cce72d456039346e34d8220b6729618"},"schema_version":"1.0"},"canonical_sha256":"b8b28c176126fa2c9be9fc8394d64fbe88b125eae30d1efafcec1c3843c4de03","source":{"kind":"arxiv","id":"1401.3275","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3275","created_at":"2026-05-18T02:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3275v2","created_at":"2026-05-18T02:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3275","created_at":"2026-05-18T02:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"XCZIYF3BE35C","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XCZIYF3BE35CZG7J","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XCZIYF3B","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:XCZIYF3BE35CZG7J7SBZJVSPX2","target":"record","payload":{"canonical_record":{"source":{"id":"1401.3275","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-14T18:38:10Z","cross_cats_sorted":[],"title_canon_sha256":"7a90164f2a0a2f2f57881bd7ba7adbba815568d5b423bb18620fca17539fb610","abstract_canon_sha256":"fdb2f772e389e8f6c4bfd0d7b39525044cce72d456039346e34d8220b6729618"},"schema_version":"1.0"},"canonical_sha256":"b8b28c176126fa2c9be9fc8394d64fbe88b125eae30d1efafcec1c3843c4de03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:52.256229Z","signature_b64":"l9ez7R8HezfDjIBgCEd3V3wQHoYxwS3zojjaeyMIVtbPYHJBEBu4tloy7iLSvji3Nqlv4YHNKYlZQ93Cwor0Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8b28c176126fa2c9be9fc8394d64fbe88b125eae30d1efafcec1c3843c4de03","last_reissued_at":"2026-05-18T02:43:52.255782Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:52.255782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.3275","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":"2026-05-18T02:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O8L6w1ugOxJV9QtIjYAZSwrW5ES8JjdqQXAeJ60QmPv1Xejt5O/vPQm1jAQeHGUfYJ87Q+4/SrkggMhuzlK1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:16:11.332160Z"},"content_sha256":"e7a2b630ad46cab0a26b73972c9d75fc963d352977c32aea0035a2d1a9561c6f","schema_version":"1.0","event_id":"sha256:e7a2b630ad46cab0a26b73972c9d75fc963d352977c32aea0035a2d1a9561c6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:XCZIYF3BE35CZG7J7SBZJVSPX2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Torsion-Gravity for Dirac fields and their effective phenomenology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Luca Fabbri","submitted_at":"2014-01-14T18:38:10Z","abstract_excerpt":"We will consider the torsional completion of gravity for a background filled with Dirac matter fields, studying the weak-gravitational non-relativistic approximation, in view of an assessment about their effective phenomenology: we discuss how the torsionally-induced non-linear interactions among fermion fields in this limit are compatible with all experiments, and remarks on the role of torsion to suggest new physics are given."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3275","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":"2026-05-18T02:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6HU+L9DzGC9lMM2vyr5Y/vD6xM5T5v+/1z8GriONuSg9cK8cHy1HYh9W43y2aQk9eE3pPPhM30/L4OuiE/aODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:16:11.332585Z"},"content_sha256":"7ae40ab741d9b68c692cb9ae15deb7662163e04619c9ea77fdcd44638e38d56b","schema_version":"1.0","event_id":"sha256:7ae40ab741d9b68c692cb9ae15deb7662163e04619c9ea77fdcd44638e38d56b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XCZIYF3BE35CZG7J7SBZJVSPX2/bundle.json","state_url":"https://pith.science/pith/XCZIYF3BE35CZG7J7SBZJVSPX2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XCZIYF3BE35CZG7J7SBZJVSPX2/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":"2026-06-08T14:16:11Z","links":{"resolver":"https://pith.science/pith/XCZIYF3BE35CZG7J7SBZJVSPX2","bundle":"https://pith.science/pith/XCZIYF3BE35CZG7J7SBZJVSPX2/bundle.json","state":"https://pith.science/pith/XCZIYF3BE35CZG7J7SBZJVSPX2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XCZIYF3BE35CZG7J7SBZJVSPX2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:XCZIYF3BE35CZG7J7SBZJVSPX2","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":"fdb2f772e389e8f6c4bfd0d7b39525044cce72d456039346e34d8220b6729618","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-14T18:38:10Z","title_canon_sha256":"7a90164f2a0a2f2f57881bd7ba7adbba815568d5b423bb18620fca17539fb610"},"schema_version":"1.0","source":{"id":"1401.3275","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3275","created_at":"2026-05-18T02:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3275v2","created_at":"2026-05-18T02:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3275","created_at":"2026-05-18T02:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"XCZIYF3BE35C","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"XCZIYF3BE35CZG7J","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"XCZIYF3B","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:7ae40ab741d9b68c692cb9ae15deb7662163e04619c9ea77fdcd44638e38d56b","target":"graph","created_at":"2026-05-18T02:43:52Z","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 will consider the torsional completion of gravity for a background filled with Dirac matter fields, studying the weak-gravitational non-relativistic approximation, in view of an assessment about their effective phenomenology: we discuss how the torsionally-induced non-linear interactions among fermion fields in this limit are compatible with all experiments, and remarks on the role of torsion to suggest new physics are given.","authors_text":"Luca Fabbri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-14T18:38:10Z","title":"Torsion-Gravity for Dirac fields and their effective phenomenology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3275","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:e7a2b630ad46cab0a26b73972c9d75fc963d352977c32aea0035a2d1a9561c6f","target":"record","created_at":"2026-05-18T02:43:52Z","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":"fdb2f772e389e8f6c4bfd0d7b39525044cce72d456039346e34d8220b6729618","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-01-14T18:38:10Z","title_canon_sha256":"7a90164f2a0a2f2f57881bd7ba7adbba815568d5b423bb18620fca17539fb610"},"schema_version":"1.0","source":{"id":"1401.3275","kind":"arxiv","version":2}},"canonical_sha256":"b8b28c176126fa2c9be9fc8394d64fbe88b125eae30d1efafcec1c3843c4de03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8b28c176126fa2c9be9fc8394d64fbe88b125eae30d1efafcec1c3843c4de03","first_computed_at":"2026-05-18T02:43:52.255782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:52.255782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l9ez7R8HezfDjIBgCEd3V3wQHoYxwS3zojjaeyMIVtbPYHJBEBu4tloy7iLSvji3Nqlv4YHNKYlZQ93Cwor0Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:52.256229Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.3275","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7a2b630ad46cab0a26b73972c9d75fc963d352977c32aea0035a2d1a9561c6f","sha256:7ae40ab741d9b68c692cb9ae15deb7662163e04619c9ea77fdcd44638e38d56b"],"state_sha256":"b46cbce3856da89bf68885eacebe3b03bca918d97e5d8ff98fad6ef067160558"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fKjoqC55U1LqX+lh/AT+PDmhX8SRmjNRCE+/tTvvWP2Uxndgziym2SI0h163ZosHrQxuchS1EobbNU8oNqW8Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T14:16:11.335136Z","bundle_sha256":"d0bd95450f1d78e3d3db5dc7a3df4e92419a0fd1403d9a54b267363431d00cdb"}}