{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DVMIF4RI2HTTXVMGJWFGGY5L4C","short_pith_number":"pith:DVMIF4RI","canonical_record":{"source":{"id":"1507.02191","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-08T15:12:46Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"c7d93af09fdf5745074c48ed9b6c6ee63a13c71f50db149a951f6bb7b9b25990","abstract_canon_sha256":"3d53716049a35d8f5ada4d7af4c7c65058cb77b46c235aef8d8221886e5f678b"},"schema_version":"1.0"},"canonical_sha256":"1d5882f228d1e73bd5864d8a6363abe0aa2e0fa626e2675bd158b4dce09e4482","source":{"kind":"arxiv","id":"1507.02191","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.02191","created_at":"2026-05-18T01:27:38Z"},{"alias_kind":"arxiv_version","alias_value":"1507.02191v2","created_at":"2026-05-18T01:27:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02191","created_at":"2026-05-18T01:27:38Z"},{"alias_kind":"pith_short_12","alias_value":"DVMIF4RI2HTT","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DVMIF4RI2HTTXVMG","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DVMIF4RI","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DVMIF4RI2HTTXVMGJWFGGY5L4C","target":"record","payload":{"canonical_record":{"source":{"id":"1507.02191","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-08T15:12:46Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"c7d93af09fdf5745074c48ed9b6c6ee63a13c71f50db149a951f6bb7b9b25990","abstract_canon_sha256":"3d53716049a35d8f5ada4d7af4c7c65058cb77b46c235aef8d8221886e5f678b"},"schema_version":"1.0"},"canonical_sha256":"1d5882f228d1e73bd5864d8a6363abe0aa2e0fa626e2675bd158b4dce09e4482","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:38.282619Z","signature_b64":"4cSfAa8SjrvkCuQRje6e3u5tL33s0wlvtaRU1arsW4fHo2iL8jBUwDHsV0XXj7r/RyNzY6kD6HI1MLBmIXmFDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d5882f228d1e73bd5864d8a6363abe0aa2e0fa626e2675bd158b4dce09e4482","last_reissued_at":"2026-05-18T01:27:38.281966Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:38.281966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.02191","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":"2026-05-18T01:27:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xQgh9y2NIfVSJwMbV9cIKbKYQ9gCoHYKs8Z2JmHct+YFsvWFyS2826clA+IPvScKkMmPDo/AOW+kSadTCz6WDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:24:30.444144Z"},"content_sha256":"0b4f9cd12ec9b26a3cb216fec8a323aa379517807aebf0a9dec8bd2d0ce03e20","schema_version":"1.0","event_id":"sha256:0b4f9cd12ec9b26a3cb216fec8a323aa379517807aebf0a9dec8bd2d0ce03e20"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DVMIF4RI2HTTXVMGJWFGGY5L4C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Invariant conserved currents in generalized gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Dirk Puetzfeld, Felipe Portales-Oliva, Guillermo F. Rubilar, Yuri N. Obukhov","submitted_at":"2015-07-08T15:12:46Z","abstract_excerpt":"We study conservation laws for gravity theories invariant under general coordinate transformations. The class of models under consideration includes Einstein's general relativity theory as a special case as well as its generalizations to non-Riemannian spacetime geometry and nonminimal coupling. We demonstrate that an arbitrary vector field on the spacetime manifold generates a current density that is conserved under certain conditions, and find the expression of the corresponding superpotential. For a family of models including nonminimal coupling between geometry and matter, we discuss in de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02191","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":"2026-05-18T01:27:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iJ4OQfwSWO1Ov+epFSQnRha553JFtCzLtk16WJjtbnAn9zZGHi8bSkg3k3G2uQsY72VuZIbdvA8qVn1sKjkMDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:24:30.444710Z"},"content_sha256":"cfe8f6f743fb751b1d650a9d808f5ea9545794a373dc753b0d6eb3cf803862e5","schema_version":"1.0","event_id":"sha256:cfe8f6f743fb751b1d650a9d808f5ea9545794a373dc753b0d6eb3cf803862e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C/bundle.json","state_url":"https://pith.science/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C/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":"2026-05-30T09:24:30Z","links":{"resolver":"https://pith.science/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C","bundle":"https://pith.science/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C/bundle.json","state":"https://pith.science/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DVMIF4RI2HTTXVMGJWFGGY5L4C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DVMIF4RI2HTTXVMGJWFGGY5L4C","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":"3d53716049a35d8f5ada4d7af4c7c65058cb77b46c235aef8d8221886e5f678b","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-08T15:12:46Z","title_canon_sha256":"c7d93af09fdf5745074c48ed9b6c6ee63a13c71f50db149a951f6bb7b9b25990"},"schema_version":"1.0","source":{"id":"1507.02191","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.02191","created_at":"2026-05-18T01:27:38Z"},{"alias_kind":"arxiv_version","alias_value":"1507.02191v2","created_at":"2026-05-18T01:27:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02191","created_at":"2026-05-18T01:27:38Z"},{"alias_kind":"pith_short_12","alias_value":"DVMIF4RI2HTT","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DVMIF4RI2HTTXVMG","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DVMIF4RI","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:cfe8f6f743fb751b1d650a9d808f5ea9545794a373dc753b0d6eb3cf803862e5","target":"graph","created_at":"2026-05-18T01:27:38Z","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 study conservation laws for gravity theories invariant under general coordinate transformations. The class of models under consideration includes Einstein's general relativity theory as a special case as well as its generalizations to non-Riemannian spacetime geometry and nonminimal coupling. We demonstrate that an arbitrary vector field on the spacetime manifold generates a current density that is conserved under certain conditions, and find the expression of the corresponding superpotential. For a family of models including nonminimal coupling between geometry and matter, we discuss in de","authors_text":"Dirk Puetzfeld, Felipe Portales-Oliva, Guillermo F. Rubilar, Yuri N. Obukhov","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-08T15:12:46Z","title":"Invariant conserved currents in generalized gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02191","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":"sha256:0b4f9cd12ec9b26a3cb216fec8a323aa379517807aebf0a9dec8bd2d0ce03e20","target":"record","created_at":"2026-05-18T01:27:38Z","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":"3d53716049a35d8f5ada4d7af4c7c65058cb77b46c235aef8d8221886e5f678b","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-08T15:12:46Z","title_canon_sha256":"c7d93af09fdf5745074c48ed9b6c6ee63a13c71f50db149a951f6bb7b9b25990"},"schema_version":"1.0","source":{"id":"1507.02191","kind":"arxiv","version":2}},"canonical_sha256":"1d5882f228d1e73bd5864d8a6363abe0aa2e0fa626e2675bd158b4dce09e4482","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d5882f228d1e73bd5864d8a6363abe0aa2e0fa626e2675bd158b4dce09e4482","first_computed_at":"2026-05-18T01:27:38.281966Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:38.281966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4cSfAa8SjrvkCuQRje6e3u5tL33s0wlvtaRU1arsW4fHo2iL8jBUwDHsV0XXj7r/RyNzY6kD6HI1MLBmIXmFDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:38.282619Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.02191","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b4f9cd12ec9b26a3cb216fec8a323aa379517807aebf0a9dec8bd2d0ce03e20","sha256:cfe8f6f743fb751b1d650a9d808f5ea9545794a373dc753b0d6eb3cf803862e5"],"state_sha256":"02faa47fc01740cb78e7d67f562447c5f1f19cb595a104f8c13e8c340539ac06"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xtlgtCbdnN1dqr1sLB516//H01jNvXn12WTaeiAIgCQeYew0ffo2pcn8NmrSOe9zIy68HFlYgKQH0idC0r3eCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:24:30.447383Z","bundle_sha256":"1b891679bff7aa4436483e533e46c7d62bafefaf9fbe3bfd224e10e84d5bd87b"}}