{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QGG5EXCJBJ4C77NIOA4ATLTMED","short_pith_number":"pith:QGG5EXCJ","canonical_record":{"source":{"id":"1402.2256","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-02-10T20:25:16Z","cross_cats_sorted":[],"title_canon_sha256":"88369d069002aa3a68ea987e733fb37ec53d3f5baa52a88e9f6eaecab21fc1fc","abstract_canon_sha256":"5e11d195ae10bc45ccae01f939a7949b75a77fc108f0da19cf07e1082e403f20"},"schema_version":"1.0"},"canonical_sha256":"818dd25c490a782ffda8703809ae6c20c4ea3658b48e6fc7d37af7ea3e4f858c","source":{"kind":"arxiv","id":"1402.2256","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2256","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2256v2","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2256","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"QGG5EXCJBJ4C","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QGG5EXCJBJ4C77NI","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QGG5EXCJ","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QGG5EXCJBJ4C77NIOA4ATLTMED","target":"record","payload":{"canonical_record":{"source":{"id":"1402.2256","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-02-10T20:25:16Z","cross_cats_sorted":[],"title_canon_sha256":"88369d069002aa3a68ea987e733fb37ec53d3f5baa52a88e9f6eaecab21fc1fc","abstract_canon_sha256":"5e11d195ae10bc45ccae01f939a7949b75a77fc108f0da19cf07e1082e403f20"},"schema_version":"1.0"},"canonical_sha256":"818dd25c490a782ffda8703809ae6c20c4ea3658b48e6fc7d37af7ea3e4f858c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:55.869580Z","signature_b64":"sCWTqJ0M0A0/d3El4qpE9+CqGSzhqwudAwrawUVrqy7ocJckf4HMUhiN4jDCf2lQW/za+Ru1/Mes0PApND/tAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"818dd25c490a782ffda8703809ae6c20c4ea3658b48e6fc7d37af7ea3e4f858c","last_reissued_at":"2026-05-18T01:25:55.869021Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:55.869021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.2256","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":"2026-05-18T01:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6QOYRxwB479ZV1ed8QAT7JMAvcIe0JLyglqFZyY6pDfKtcptbaM8BMa4ew5+ajq5GNeR6yTc/iwFPMFEuzDYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T23:29:52.801230Z"},"content_sha256":"ff29b928c9f0dee9a722c6a49159be1218cfc7579479197764f1aaa4c29612c2","schema_version":"1.0","event_id":"sha256:ff29b928c9f0dee9a722c6a49159be1218cfc7579479197764f1aaa4c29612c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QGG5EXCJBJ4C77NIOA4ATLTMED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A novel teleparallel dark energy model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Giovanni Otalora","submitted_at":"2014-02-10T20:25:16Z","abstract_excerpt":"Although equivalent to general relativity, teleparallel gravity is conceptually speaking a completely different theory. In this theory, the gravitational field is described by torsion, not by curvature. By working in this context, a new model is proposed in which the four-derivative of a canonical scalar field representing dark energy is nonminimally coupled to the \"vector torsion\". This type of coupling is motivated by the fact that a scalar field couples to torsion through its four-derivative, which is consistent with local spacetime kinematics regulated by the de Sitter group $SO(1,4)$. It "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2256","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":"2026-05-18T01:25:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q4+EqIiO1KyTl+pabZ4X2rHMkZ9x24SZNImf8XDAShpwzsgkspl8XrCyTMRPw5NbocGTUgiTtVHSZl738PkDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T23:29:52.801926Z"},"content_sha256":"38eabc78a888e1de04d7a85d50b076c0b2f5e23953f832646f45b033500564b1","schema_version":"1.0","event_id":"sha256:38eabc78a888e1de04d7a85d50b076c0b2f5e23953f832646f45b033500564b1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGG5EXCJBJ4C77NIOA4ATLTMED/bundle.json","state_url":"https://pith.science/pith/QGG5EXCJBJ4C77NIOA4ATLTMED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGG5EXCJBJ4C77NIOA4ATLTMED/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":"2026-05-20T23:29:52Z","links":{"resolver":"https://pith.science/pith/QGG5EXCJBJ4C77NIOA4ATLTMED","bundle":"https://pith.science/pith/QGG5EXCJBJ4C77NIOA4ATLTMED/bundle.json","state":"https://pith.science/pith/QGG5EXCJBJ4C77NIOA4ATLTMED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGG5EXCJBJ4C77NIOA4ATLTMED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QGG5EXCJBJ4C77NIOA4ATLTMED","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":"5e11d195ae10bc45ccae01f939a7949b75a77fc108f0da19cf07e1082e403f20","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-02-10T20:25:16Z","title_canon_sha256":"88369d069002aa3a68ea987e733fb37ec53d3f5baa52a88e9f6eaecab21fc1fc"},"schema_version":"1.0","source":{"id":"1402.2256","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.2256","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"arxiv_version","alias_value":"1402.2256v2","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2256","created_at":"2026-05-18T01:25:55Z"},{"alias_kind":"pith_short_12","alias_value":"QGG5EXCJBJ4C","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QGG5EXCJBJ4C77NI","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QGG5EXCJ","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:38eabc78a888e1de04d7a85d50b076c0b2f5e23953f832646f45b033500564b1","target":"graph","created_at":"2026-05-18T01:25:55Z","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":"Although equivalent to general relativity, teleparallel gravity is conceptually speaking a completely different theory. In this theory, the gravitational field is described by torsion, not by curvature. By working in this context, a new model is proposed in which the four-derivative of a canonical scalar field representing dark energy is nonminimally coupled to the \"vector torsion\". This type of coupling is motivated by the fact that a scalar field couples to torsion through its four-derivative, which is consistent with local spacetime kinematics regulated by the de Sitter group $SO(1,4)$. It ","authors_text":"Giovanni Otalora","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-02-10T20:25:16Z","title":"A novel teleparallel dark energy model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2256","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:ff29b928c9f0dee9a722c6a49159be1218cfc7579479197764f1aaa4c29612c2","target":"record","created_at":"2026-05-18T01:25:55Z","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":"5e11d195ae10bc45ccae01f939a7949b75a77fc108f0da19cf07e1082e403f20","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-02-10T20:25:16Z","title_canon_sha256":"88369d069002aa3a68ea987e733fb37ec53d3f5baa52a88e9f6eaecab21fc1fc"},"schema_version":"1.0","source":{"id":"1402.2256","kind":"arxiv","version":2}},"canonical_sha256":"818dd25c490a782ffda8703809ae6c20c4ea3658b48e6fc7d37af7ea3e4f858c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"818dd25c490a782ffda8703809ae6c20c4ea3658b48e6fc7d37af7ea3e4f858c","first_computed_at":"2026-05-18T01:25:55.869021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:55.869021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sCWTqJ0M0A0/d3El4qpE9+CqGSzhqwudAwrawUVrqy7ocJckf4HMUhiN4jDCf2lQW/za+Ru1/Mes0PApND/tAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:55.869580Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.2256","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff29b928c9f0dee9a722c6a49159be1218cfc7579479197764f1aaa4c29612c2","sha256:38eabc78a888e1de04d7a85d50b076c0b2f5e23953f832646f45b033500564b1"],"state_sha256":"ddc9dad52cf0918fdc90be5854169e18b9c382f1c1478715cbb7309f8b874d9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aIykMMO1uZslDxKZOCmFgHddkpqATNtUEmRj58/fbp7kpY/6sb/pp5D07R/nQaBd4MuE3eLHs7GoAY50DnjoBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T23:29:52.805735Z","bundle_sha256":"69ca778ea2e5faad316b7ff9b3699048ef095fa50ecfa6d8f3b5f29a84482c58"}}