{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:OKGC34L3ZJBHSKZHOLYBY7VUPF","short_pith_number":"pith:OKGC34L3","canonical_record":{"source":{"id":"gr-qc/0610015","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-04T18:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"50dbfbc67c6debe621bf0545790d8c5e016996ab2dbeedd0148a1961fcd7fa8e","abstract_canon_sha256":"186ab12e6f2e8e9ee235dcd275fc97086ff456beb8b45092323243111c78991c"},"schema_version":"1.0"},"canonical_sha256":"728c2df17bca42792b2772f01c7eb47957d71f66394eb97d5e8b5c983fac9262","source":{"kind":"arxiv","id":"gr-qc/0610015","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0610015","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0610015v3","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0610015","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"OKGC34L3ZJBH","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"OKGC34L3ZJBHSKZH","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"OKGC34L3","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:OKGC34L3ZJBHSKZHOLYBY7VUPF","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0610015","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-04T18:44:09Z","cross_cats_sorted":[],"title_canon_sha256":"50dbfbc67c6debe621bf0545790d8c5e016996ab2dbeedd0148a1961fcd7fa8e","abstract_canon_sha256":"186ab12e6f2e8e9ee235dcd275fc97086ff456beb8b45092323243111c78991c"},"schema_version":"1.0"},"canonical_sha256":"728c2df17bca42792b2772f01c7eb47957d71f66394eb97d5e8b5c983fac9262","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:20.062005Z","signature_b64":"pVc/zO4wdewoTJc0rOstzupWm+qmLQat3eYdqRNFd9D1PXAG3p+D+zdHU4WQTmVVLhui5kajKk1X4OlOX9ShBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"728c2df17bca42792b2772f01c7eb47957d71f66394eb97d5e8b5c983fac9262","last_reissued_at":"2026-05-18T04:36:20.061589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:20.061589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0610015","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v1EdFcoRPwNiz6sqPS7htN0FfTmqhkeBlPegaBQeY40UEOtodGr5Tg4O60pIXij6mWSIQVgXXlPZNQ0TtBBiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:26:05.961199Z"},"content_sha256":"bc7fe89436874ee9a65d1c821217d68068208b385200be5ffcd9854ac3c19be4","schema_version":"1.0","event_id":"sha256:bc7fe89436874ee9a65d1c821217d68068208b385200be5ffcd9854ac3c19be4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:OKGC34L3ZJBHSKZHOLYBY7VUPF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of Gravitomagnetic and Acceleration Fields Around Rotating Superconductors","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"B. Seifert, F. Plesescu, K. Marhold, M. Tajmar","submitted_at":"2006-10-04T18:44:09Z","abstract_excerpt":"It is well known that a rotating superconductor produces a magnetic field proportional to its angular velocity. The authors conjectured earlier, that in addition to this so-called London moment, also a large gravitomagnetic field should appear to explain an apparent mass increase of Niobium Cooper-pairs. A similar field is predicted from Einstein's general relativity theory and the presently observed amount of dark energy in the universe. An experimental facility was designed and built to measure small acceleration fields as well as gravitomagnetic fields in the vicinity of a fast rotating and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0610015","kind":"arxiv","version":3},"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":"2026-05-18T04:36:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aN/l0Ao+qSi0LDvZdZWn+9vwGnGlBImojvpChnj+CXQegaAmR2MlWdRT4hEC8iANIlTpKyHTlQhOR/VvT9I2BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T22:26:05.961560Z"},"content_sha256":"533bf0ed64b398c503956a3bf8e5ce6b9a584444b70a6178294ff73df7a991e0","schema_version":"1.0","event_id":"sha256:533bf0ed64b398c503956a3bf8e5ce6b9a584444b70a6178294ff73df7a991e0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF/bundle.json","state_url":"https://pith.science/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF/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":"2026-05-30T22:26:05Z","links":{"resolver":"https://pith.science/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF","bundle":"https://pith.science/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF/bundle.json","state":"https://pith.science/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OKGC34L3ZJBHSKZHOLYBY7VUPF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:OKGC34L3ZJBHSKZHOLYBY7VUPF","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":"186ab12e6f2e8e9ee235dcd275fc97086ff456beb8b45092323243111c78991c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-04T18:44:09Z","title_canon_sha256":"50dbfbc67c6debe621bf0545790d8c5e016996ab2dbeedd0148a1961fcd7fa8e"},"schema_version":"1.0","source":{"id":"gr-qc/0610015","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0610015","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0610015v3","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0610015","created_at":"2026-05-18T04:36:20Z"},{"alias_kind":"pith_short_12","alias_value":"OKGC34L3ZJBH","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"OKGC34L3ZJBHSKZH","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"OKGC34L3","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:533bf0ed64b398c503956a3bf8e5ce6b9a584444b70a6178294ff73df7a991e0","target":"graph","created_at":"2026-05-18T04:36:20Z","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":"It is well known that a rotating superconductor produces a magnetic field proportional to its angular velocity. The authors conjectured earlier, that in addition to this so-called London moment, also a large gravitomagnetic field should appear to explain an apparent mass increase of Niobium Cooper-pairs. A similar field is predicted from Einstein's general relativity theory and the presently observed amount of dark energy in the universe. An experimental facility was designed and built to measure small acceleration fields as well as gravitomagnetic fields in the vicinity of a fast rotating and","authors_text":"B. Seifert, F. Plesescu, K. Marhold, M. Tajmar","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2006-10-04T18:44:09Z","title":"Measurement of Gravitomagnetic and Acceleration Fields Around Rotating Superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0610015","kind":"arxiv","version":3},"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:bc7fe89436874ee9a65d1c821217d68068208b385200be5ffcd9854ac3c19be4","target":"record","created_at":"2026-05-18T04:36:20Z","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":"186ab12e6f2e8e9ee235dcd275fc97086ff456beb8b45092323243111c78991c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2006-10-04T18:44:09Z","title_canon_sha256":"50dbfbc67c6debe621bf0545790d8c5e016996ab2dbeedd0148a1961fcd7fa8e"},"schema_version":"1.0","source":{"id":"gr-qc/0610015","kind":"arxiv","version":3}},"canonical_sha256":"728c2df17bca42792b2772f01c7eb47957d71f66394eb97d5e8b5c983fac9262","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"728c2df17bca42792b2772f01c7eb47957d71f66394eb97d5e8b5c983fac9262","first_computed_at":"2026-05-18T04:36:20.061589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:20.061589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pVc/zO4wdewoTJc0rOstzupWm+qmLQat3eYdqRNFd9D1PXAG3p+D+zdHU4WQTmVVLhui5kajKk1X4OlOX9ShBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:20.062005Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0610015","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc7fe89436874ee9a65d1c821217d68068208b385200be5ffcd9854ac3c19be4","sha256:533bf0ed64b398c503956a3bf8e5ce6b9a584444b70a6178294ff73df7a991e0"],"state_sha256":"c2eae09f0c4eb57fd01fba3949228340c8b538aa53adf5b696f4487f82b01a0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zi+0rUXmk2h8Zd9ZrMIsbGQxVZ75PYrlN8jsTyl9kdduVsrixerN5KOCEpvTPJoNZVFw6M4Zot0xgTDS784SBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T22:26:05.963608Z","bundle_sha256":"cece5d7209dd596f30b0171c6148a9c8568ef65efd1159430eb3f60bfede7faf"}}