{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3R5C4PLHPFCAIFJOOBGVUWEO7A","short_pith_number":"pith:3R5C4PLH","canonical_record":{"source":{"id":"1612.07503","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-22T09:34:46Z","cross_cats_sorted":[],"title_canon_sha256":"72d9ca0b7785ebe47bdc2bc40b7c4ab11f9cbd6b9a70dbeb6651479abbc7adb3","abstract_canon_sha256":"a23b02e51fb9405e98fcd768857ff689a09d38ca57f55be5e8de803827fcabaa"},"schema_version":"1.0"},"canonical_sha256":"dc7a2e3d67794404152e704d5a588ef80730ee9434db38016c167532cd3e653c","source":{"kind":"arxiv","id":"1612.07503","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07503","created_at":"2026-05-18T00:41:37Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07503v1","created_at":"2026-05-18T00:41:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07503","created_at":"2026-05-18T00:41:37Z"},{"alias_kind":"pith_short_12","alias_value":"3R5C4PLHPFCA","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3R5C4PLHPFCAIFJO","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3R5C4PLH","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3R5C4PLHPFCAIFJOOBGVUWEO7A","target":"record","payload":{"canonical_record":{"source":{"id":"1612.07503","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-22T09:34:46Z","cross_cats_sorted":[],"title_canon_sha256":"72d9ca0b7785ebe47bdc2bc40b7c4ab11f9cbd6b9a70dbeb6651479abbc7adb3","abstract_canon_sha256":"a23b02e51fb9405e98fcd768857ff689a09d38ca57f55be5e8de803827fcabaa"},"schema_version":"1.0"},"canonical_sha256":"dc7a2e3d67794404152e704d5a588ef80730ee9434db38016c167532cd3e653c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:37.896063Z","signature_b64":"efAn0L9aMuhf5urJu/3/b23j+guTGD8kdwUl2ws2mH2dm4MsOC2OnRgttpKaf4Im+wRxHzlx6sAL6ELmfVhqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc7a2e3d67794404152e704d5a588ef80730ee9434db38016c167532cd3e653c","last_reissued_at":"2026-05-18T00:41:37.895535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:37.895535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.07503","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:41:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ni6wws0fMe/CPYNKhpFwMQtE/uoaU+XC9WF+D+23tSBogv1R5wHttgp7cTFZGUXXY4UbZGi9tbGVOqTu6pOLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T01:57:03.858663Z"},"content_sha256":"5d2509f325f714bd5efd6fd7d52760e381b72d62ecc813d509ade2b2b260c6ff","schema_version":"1.0","event_id":"sha256:5d2509f325f714bd5efd6fd7d52760e381b72d62ecc813d509ade2b2b260c6ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3R5C4PLHPFCAIFJOOBGVUWEO7A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A joined model for solar dynamo and differential rotation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. A. Nepomnyashchikh, L. L. Kitchatinov","submitted_at":"2016-12-22T09:34:46Z","abstract_excerpt":"A model for the solar dynamo, consistent in global flow and numerical method employed with the differential rotation model, is developed. The magnetic turbulent diffusivity is expressed in terms of the entropy gradient, which is controlled by the model equations. The magnetic Prandtl number and latitudinal profile of the alpha-effect are specified by fitting the computed period of the activity cycle and the equatorial symmetry of magnetic fields to observations. Then, the instants of polar field reversals and time-latitude diagrams of the fields also come into agreement with observations. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07503","kind":"arxiv","version":1},"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":"2026-05-18T00:41:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0QoktLKl2Kdi6/58sUibC3xMGUPYi/UEsMyZjTcupwSbXwqN/dH4nMwjIJ5uyTXvSFhSvFV2MUHQ+eWSGIMCBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T01:57:03.859339Z"},"content_sha256":"2bd837beb08381c295d092d029d0ed07df4d59272cd35236fcc6fa990a4cbf90","schema_version":"1.0","event_id":"sha256:2bd837beb08381c295d092d029d0ed07df4d59272cd35236fcc6fa990a4cbf90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A/bundle.json","state_url":"https://pith.science/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A/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":"2026-06-09T01:57:03Z","links":{"resolver":"https://pith.science/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A","bundle":"https://pith.science/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A/bundle.json","state":"https://pith.science/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3R5C4PLHPFCAIFJOOBGVUWEO7A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3R5C4PLHPFCAIFJOOBGVUWEO7A","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":"a23b02e51fb9405e98fcd768857ff689a09d38ca57f55be5e8de803827fcabaa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-22T09:34:46Z","title_canon_sha256":"72d9ca0b7785ebe47bdc2bc40b7c4ab11f9cbd6b9a70dbeb6651479abbc7adb3"},"schema_version":"1.0","source":{"id":"1612.07503","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07503","created_at":"2026-05-18T00:41:37Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07503v1","created_at":"2026-05-18T00:41:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07503","created_at":"2026-05-18T00:41:37Z"},{"alias_kind":"pith_short_12","alias_value":"3R5C4PLHPFCA","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3R5C4PLHPFCAIFJO","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3R5C4PLH","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:2bd837beb08381c295d092d029d0ed07df4d59272cd35236fcc6fa990a4cbf90","target":"graph","created_at":"2026-05-18T00:41:37Z","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":"A model for the solar dynamo, consistent in global flow and numerical method employed with the differential rotation model, is developed. The magnetic turbulent diffusivity is expressed in terms of the entropy gradient, which is controlled by the model equations. The magnetic Prandtl number and latitudinal profile of the alpha-effect are specified by fitting the computed period of the activity cycle and the equatorial symmetry of magnetic fields to observations. Then, the instants of polar field reversals and time-latitude diagrams of the fields also come into agreement with observations. The ","authors_text":"A. A. Nepomnyashchikh, L. L. Kitchatinov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-22T09:34:46Z","title":"A joined model for solar dynamo and differential rotation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07503","kind":"arxiv","version":1},"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":"sha256:5d2509f325f714bd5efd6fd7d52760e381b72d62ecc813d509ade2b2b260c6ff","target":"record","created_at":"2026-05-18T00:41:37Z","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":"a23b02e51fb9405e98fcd768857ff689a09d38ca57f55be5e8de803827fcabaa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-22T09:34:46Z","title_canon_sha256":"72d9ca0b7785ebe47bdc2bc40b7c4ab11f9cbd6b9a70dbeb6651479abbc7adb3"},"schema_version":"1.0","source":{"id":"1612.07503","kind":"arxiv","version":1}},"canonical_sha256":"dc7a2e3d67794404152e704d5a588ef80730ee9434db38016c167532cd3e653c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc7a2e3d67794404152e704d5a588ef80730ee9434db38016c167532cd3e653c","first_computed_at":"2026-05-18T00:41:37.895535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:37.895535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"efAn0L9aMuhf5urJu/3/b23j+guTGD8kdwUl2ws2mH2dm4MsOC2OnRgttpKaf4Im+wRxHzlx6sAL6ELmfVhqDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:37.896063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.07503","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d2509f325f714bd5efd6fd7d52760e381b72d62ecc813d509ade2b2b260c6ff","sha256:2bd837beb08381c295d092d029d0ed07df4d59272cd35236fcc6fa990a4cbf90"],"state_sha256":"fd98c1ebfe05ef165284a33be1d0405a1dd0b3a5f2f262473a5f4c78f17806d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r9nFM10aM//7lP4f2uGwOBWyKceac5WccBRx+5CBehasNLeJF4KSMu5TSWYehnTmJumL9OCkMCovWsGTZTdZCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T01:57:03.863380Z","bundle_sha256":"98c598fb2f7fda851904a1a3feebff198d75b35b60ffa50c6254717ae9e5370c"}}