{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4MKU6WHDBALEO3JZZWGPB5TEK6","short_pith_number":"pith:4MKU6WHD","canonical_record":{"source":{"id":"1803.00630","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-20T21:02:33Z","cross_cats_sorted":[],"title_canon_sha256":"44de170506477c40226df59f3ab0f05ac9c93f3ec69944ee3d4a8f0164fdcf2e","abstract_canon_sha256":"4ec4f66da3997ccc0427e8c3b1a702d9591060ab0d7c4b70562d74c8001b5679"},"schema_version":"1.0"},"canonical_sha256":"e3154f58e30816476d39cd8cf0f664578d57903a300e3c68239514932c4b5657","source":{"kind":"arxiv","id":"1803.00630","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00630","created_at":"2026-05-18T00:16:21Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00630v2","created_at":"2026-05-18T00:16:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00630","created_at":"2026-05-18T00:16:21Z"},{"alias_kind":"pith_short_12","alias_value":"4MKU6WHDBALE","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4MKU6WHDBALEO3JZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4MKU6WHD","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4MKU6WHDBALEO3JZZWGPB5TEK6","target":"record","payload":{"canonical_record":{"source":{"id":"1803.00630","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-20T21:02:33Z","cross_cats_sorted":[],"title_canon_sha256":"44de170506477c40226df59f3ab0f05ac9c93f3ec69944ee3d4a8f0164fdcf2e","abstract_canon_sha256":"4ec4f66da3997ccc0427e8c3b1a702d9591060ab0d7c4b70562d74c8001b5679"},"schema_version":"1.0"},"canonical_sha256":"e3154f58e30816476d39cd8cf0f664578d57903a300e3c68239514932c4b5657","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:21.148054Z","signature_b64":"7MENQyudYRIstprG84Rp833GT3YezCemY83Yhhu9WxjmL+SJBD8PR/kFGAuWiHd9fOQDbKXMMQSCEaou6E8kBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3154f58e30816476d39cd8cf0f664578d57903a300e3c68239514932c4b5657","last_reissued_at":"2026-05-18T00:16:21.147577Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:21.147577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.00630","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":"2026-05-18T00:16:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VPKmx8f/SxRWPH6iQjGxIQfg45qPtVwyizbawpFSKU102uk9bQFpHdj/ZSQMQb2u1pbhztNdl7n7c475Ao3fCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:19:57.093249Z"},"content_sha256":"e714c7e06d39d6fce11f9178023cdc4b8216fd28ec08bd309e4de2300180105d","schema_version":"1.0","event_id":"sha256:e714c7e06d39d6fce11f9178023cdc4b8216fd28ec08bd309e4de2300180105d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4MKU6WHDBALEO3JZZWGPB5TEK6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-Causal Propagation for Higher-Order Interactions of Torsion with Spinor Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Luca Fabbri","submitted_at":"2018-02-20T21:02:33Z","abstract_excerpt":"We consider field equations of spinors with torsional interactions having higher-order dimension: by applying the Velo-Zwanziger method, we obtain that it is always possible to find situations where the propagation is affected by non-causal behaviour."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00630","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":"2026-05-18T00:16:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zKFamJnVEM/cWPlLO2Yc7BXmH9v+eSTc4f43hHRVa7A6XUMp1He+7ftV7d0i82pURVxKDIS8zwiMUJp9L+RfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:19:57.094121Z"},"content_sha256":"6877df0e57accbb5450c5021d733e7d2e3a1ce691dc5e5777d5604d8012bd99f","schema_version":"1.0","event_id":"sha256:6877df0e57accbb5450c5021d733e7d2e3a1ce691dc5e5777d5604d8012bd99f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4MKU6WHDBALEO3JZZWGPB5TEK6/bundle.json","state_url":"https://pith.science/pith/4MKU6WHDBALEO3JZZWGPB5TEK6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4MKU6WHDBALEO3JZZWGPB5TEK6/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":"2026-06-08T17:19:57Z","links":{"resolver":"https://pith.science/pith/4MKU6WHDBALEO3JZZWGPB5TEK6","bundle":"https://pith.science/pith/4MKU6WHDBALEO3JZZWGPB5TEK6/bundle.json","state":"https://pith.science/pith/4MKU6WHDBALEO3JZZWGPB5TEK6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4MKU6WHDBALEO3JZZWGPB5TEK6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4MKU6WHDBALEO3JZZWGPB5TEK6","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":"4ec4f66da3997ccc0427e8c3b1a702d9591060ab0d7c4b70562d74c8001b5679","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-20T21:02:33Z","title_canon_sha256":"44de170506477c40226df59f3ab0f05ac9c93f3ec69944ee3d4a8f0164fdcf2e"},"schema_version":"1.0","source":{"id":"1803.00630","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00630","created_at":"2026-05-18T00:16:21Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00630v2","created_at":"2026-05-18T00:16:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00630","created_at":"2026-05-18T00:16:21Z"},{"alias_kind":"pith_short_12","alias_value":"4MKU6WHDBALE","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4MKU6WHDBALEO3JZ","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4MKU6WHD","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:6877df0e57accbb5450c5021d733e7d2e3a1ce691dc5e5777d5604d8012bd99f","target":"graph","created_at":"2026-05-18T00:16:21Z","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 consider field equations of spinors with torsional interactions having higher-order dimension: by applying the Velo-Zwanziger method, we obtain that it is always possible to find situations where the propagation is affected by non-causal behaviour.","authors_text":"Luca Fabbri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-20T21:02:33Z","title":"Non-Causal Propagation for Higher-Order Interactions of Torsion with Spinor Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00630","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:e714c7e06d39d6fce11f9178023cdc4b8216fd28ec08bd309e4de2300180105d","target":"record","created_at":"2026-05-18T00:16:21Z","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":"4ec4f66da3997ccc0427e8c3b1a702d9591060ab0d7c4b70562d74c8001b5679","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-02-20T21:02:33Z","title_canon_sha256":"44de170506477c40226df59f3ab0f05ac9c93f3ec69944ee3d4a8f0164fdcf2e"},"schema_version":"1.0","source":{"id":"1803.00630","kind":"arxiv","version":2}},"canonical_sha256":"e3154f58e30816476d39cd8cf0f664578d57903a300e3c68239514932c4b5657","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e3154f58e30816476d39cd8cf0f664578d57903a300e3c68239514932c4b5657","first_computed_at":"2026-05-18T00:16:21.147577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:21.147577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7MENQyudYRIstprG84Rp833GT3YezCemY83Yhhu9WxjmL+SJBD8PR/kFGAuWiHd9fOQDbKXMMQSCEaou6E8kBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:21.148054Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.00630","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e714c7e06d39d6fce11f9178023cdc4b8216fd28ec08bd309e4de2300180105d","sha256:6877df0e57accbb5450c5021d733e7d2e3a1ce691dc5e5777d5604d8012bd99f"],"state_sha256":"1cef2fa69fec8177c9cce96be8292a8ecd11394066cb4c30d03fc58a4f4d5ccb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ueV0X6Fg9t17yarz0TN8em0mjFawgGyRfT+dqiDJP8W/AqzuvPcLCcWyWIfB37iB9zyhKf9MujgDk6M+u4sDDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:19:57.097713Z","bundle_sha256":"bfa3f51c145154d3b9d49c90a392bd68a65dc5309165de73fb40e238924c5ef6"}}