{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:FYA655JAFIHPFLJLXPJ2CYPFH3","short_pith_number":"pith:FYA655JA","canonical_record":{"source":{"id":"1505.01557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-07T02:05:25Z","cross_cats_sorted":[],"title_canon_sha256":"328b44aaedb2e1e5edfb90f30a05a3152bf9102c3107cdd49a28d7762b46a39a","abstract_canon_sha256":"e36820edf6031092be77ed72e94667f4b7fefd81eac40fd9788dcd69ec1b456a"},"schema_version":"1.0"},"canonical_sha256":"2e01eef5202a0ef2ad2bbbd3a161e53ef76a5bea7bebbae8630ac88e3e81ec05","source":{"kind":"arxiv","id":"1505.01557","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01557","created_at":"2026-05-18T00:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01557v1","created_at":"2026-05-18T00:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01557","created_at":"2026-05-18T00:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"FYA655JAFIHP","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FYA655JAFIHPFLJL","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FYA655JA","created_at":"2026-05-18T12:29:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:FYA655JAFIHPFLJLXPJ2CYPFH3","target":"record","payload":{"canonical_record":{"source":{"id":"1505.01557","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-07T02:05:25Z","cross_cats_sorted":[],"title_canon_sha256":"328b44aaedb2e1e5edfb90f30a05a3152bf9102c3107cdd49a28d7762b46a39a","abstract_canon_sha256":"e36820edf6031092be77ed72e94667f4b7fefd81eac40fd9788dcd69ec1b456a"},"schema_version":"1.0"},"canonical_sha256":"2e01eef5202a0ef2ad2bbbd3a161e53ef76a5bea7bebbae8630ac88e3e81ec05","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:26.302012Z","signature_b64":"QgaWHyjzrEly317OPRwwbFTdktwlzyyCWRWV1YN9kHkatsRcIntxnDNITNbXg633o9IjB/MDxpDgsi4Az8IwDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e01eef5202a0ef2ad2bbbd3a161e53ef76a5bea7bebbae8630ac88e3e81ec05","last_reissued_at":"2026-05-18T00:45:26.301546Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:26.301546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.01557","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":"2026-05-18T00:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N2XKlnmgZyrKUqzoQDtBpSL1cfXDGBlhOpqfrGp5/z+ySEGUO2lK6bjCWsEjYmaWhUqHluiSvE2gr/ANGTXWBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T23:57:12.128298Z"},"content_sha256":"4ea91aa9758f408aef8b412c690d4c6453f1517257662f84d1767f0d48e91500","schema_version":"1.0","event_id":"sha256:4ea91aa9758f408aef8b412c690d4c6453f1517257662f84d1767f0d48e91500"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:FYA655JAFIHPFLJLXPJ2CYPFH3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Solar small-scale dynamo and polarity of sunspot groups","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Khlystova, D. Sokoloff, V. Abramenko","submitted_at":"2015-05-07T02:05:25Z","abstract_excerpt":"In order to clarify a possible role of small-scale dynamo in formation of solar magnetic field, we suggest an observational test for small-scale dynamo action based on statistics of anti-Hale sunspot groups. As we have shown, according to theoretical expectations the small-scale dynamo action has to provide a population of sunspot groups which do not follow the Hale polarity law, and the density of such groups on the time-latitude diagram is expected to be independent on the phase of the solar cycle. Correspondingly, a percentage of the anti-Hale groups is expected to reach its maximum values "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01557","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":"2026-05-18T00:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0GZ+qqmqc+bdfdErPtg3+Lv++igbGhOUz30K+UjP4M0MHfi35LtwlRJ9U1frIOecdJfIAfqDNOT/kUlYn/l6Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T23:57:12.128757Z"},"content_sha256":"ad16cb420408475e9d2ca769f9cfaeb313eb06954de552a34f148a3b66de0068","schema_version":"1.0","event_id":"sha256:ad16cb420408475e9d2ca769f9cfaeb313eb06954de552a34f148a3b66de0068"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FYA655JAFIHPFLJLXPJ2CYPFH3/bundle.json","state_url":"https://pith.science/pith/FYA655JAFIHPFLJLXPJ2CYPFH3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FYA655JAFIHPFLJLXPJ2CYPFH3/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":"2026-05-21T23:57:12Z","links":{"resolver":"https://pith.science/pith/FYA655JAFIHPFLJLXPJ2CYPFH3","bundle":"https://pith.science/pith/FYA655JAFIHPFLJLXPJ2CYPFH3/bundle.json","state":"https://pith.science/pith/FYA655JAFIHPFLJLXPJ2CYPFH3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FYA655JAFIHPFLJLXPJ2CYPFH3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:FYA655JAFIHPFLJLXPJ2CYPFH3","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":"e36820edf6031092be77ed72e94667f4b7fefd81eac40fd9788dcd69ec1b456a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-07T02:05:25Z","title_canon_sha256":"328b44aaedb2e1e5edfb90f30a05a3152bf9102c3107cdd49a28d7762b46a39a"},"schema_version":"1.0","source":{"id":"1505.01557","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01557","created_at":"2026-05-18T00:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01557v1","created_at":"2026-05-18T00:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01557","created_at":"2026-05-18T00:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"FYA655JAFIHP","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_16","alias_value":"FYA655JAFIHPFLJL","created_at":"2026-05-18T12:29:22Z"},{"alias_kind":"pith_short_8","alias_value":"FYA655JA","created_at":"2026-05-18T12:29:22Z"}],"graph_snapshots":[{"event_id":"sha256:ad16cb420408475e9d2ca769f9cfaeb313eb06954de552a34f148a3b66de0068","target":"graph","created_at":"2026-05-18T00:45:26Z","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":"In order to clarify a possible role of small-scale dynamo in formation of solar magnetic field, we suggest an observational test for small-scale dynamo action based on statistics of anti-Hale sunspot groups. As we have shown, according to theoretical expectations the small-scale dynamo action has to provide a population of sunspot groups which do not follow the Hale polarity law, and the density of such groups on the time-latitude diagram is expected to be independent on the phase of the solar cycle. Correspondingly, a percentage of the anti-Hale groups is expected to reach its maximum values ","authors_text":"A. Khlystova, D. Sokoloff, V. Abramenko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-07T02:05:25Z","title":"Solar small-scale dynamo and polarity of sunspot groups"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01557","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":"sha256:4ea91aa9758f408aef8b412c690d4c6453f1517257662f84d1767f0d48e91500","target":"record","created_at":"2026-05-18T00:45:26Z","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":"e36820edf6031092be77ed72e94667f4b7fefd81eac40fd9788dcd69ec1b456a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-05-07T02:05:25Z","title_canon_sha256":"328b44aaedb2e1e5edfb90f30a05a3152bf9102c3107cdd49a28d7762b46a39a"},"schema_version":"1.0","source":{"id":"1505.01557","kind":"arxiv","version":1}},"canonical_sha256":"2e01eef5202a0ef2ad2bbbd3a161e53ef76a5bea7bebbae8630ac88e3e81ec05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e01eef5202a0ef2ad2bbbd3a161e53ef76a5bea7bebbae8630ac88e3e81ec05","first_computed_at":"2026-05-18T00:45:26.301546Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:26.301546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QgaWHyjzrEly317OPRwwbFTdktwlzyyCWRWV1YN9kHkatsRcIntxnDNITNbXg633o9IjB/MDxpDgsi4Az8IwDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:26.302012Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.01557","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ea91aa9758f408aef8b412c690d4c6453f1517257662f84d1767f0d48e91500","sha256:ad16cb420408475e9d2ca769f9cfaeb313eb06954de552a34f148a3b66de0068"],"state_sha256":"0df2df709fffdc2feaa7101c8b1cee6b72921f67e3c19beea85a4c7678e08208"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dEdtqukQ6ZTyGrVV0M3pqslx3tkcc1ZuZkCfzvY2nq1h+GBNoEALFb+VpDRb2ZE9uXgVZNZAQPDOZhGRcmwWDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T23:57:12.131261Z","bundle_sha256":"907581d0c45ef447c0357edd2fd75615be1af4928d811223a95f2235bbc0bb4b"}}