{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:F7UWTR4VWS77SI6QW2HKWNMCNW","short_pith_number":"pith:F7UWTR4V","canonical_record":{"source":{"id":"1112.5226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-22T02:59:21Z","cross_cats_sorted":[],"title_canon_sha256":"d268f4efb2ddb23cd787383e114a153c1fa032835561ab8e7e3712b3ec4b7eb3","abstract_canon_sha256":"706ecb84c76373ae87b096814a570b29445a136fc8d1c3e543f35f962afd6d69"},"schema_version":"1.0"},"canonical_sha256":"2fe969c795b4bff923d0b68eab35826da19b99e5a4295a93e9aef41e9d6bcb73","source":{"kind":"arxiv","id":"1112.5226","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5226","created_at":"2026-05-18T01:59:03Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5226v1","created_at":"2026-05-18T01:59:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5226","created_at":"2026-05-18T01:59:03Z"},{"alias_kind":"pith_short_12","alias_value":"F7UWTR4VWS77","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"F7UWTR4VWS77SI6Q","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"F7UWTR4V","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:F7UWTR4VWS77SI6QW2HKWNMCNW","target":"record","payload":{"canonical_record":{"source":{"id":"1112.5226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-22T02:59:21Z","cross_cats_sorted":[],"title_canon_sha256":"d268f4efb2ddb23cd787383e114a153c1fa032835561ab8e7e3712b3ec4b7eb3","abstract_canon_sha256":"706ecb84c76373ae87b096814a570b29445a136fc8d1c3e543f35f962afd6d69"},"schema_version":"1.0"},"canonical_sha256":"2fe969c795b4bff923d0b68eab35826da19b99e5a4295a93e9aef41e9d6bcb73","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:03.433752Z","signature_b64":"r++Iup6sDJC/+45JbqGBsdGorjXjgoT+X2l/mgMfQdqQ0lJ/jHm92g+K6/8oQPE7NSR3FHvU/CDqkuuAWmRcDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fe969c795b4bff923d0b68eab35826da19b99e5a4295a93e9aef41e9d6bcb73","last_reissued_at":"2026-05-18T01:59:03.433023Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:03.433023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.5226","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":"2026-05-18T01:59:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WPGdDcIgUdhk+q/uthS2Qa0DNHpAP/kx6UHFXYF7ipLN7GjpyZ0alDIFQPH4QAaFNOu0jsAqeBt3OSBhxoC5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:47:49.486654Z"},"content_sha256":"f73a38feb78203ebe929b3457e5ad39960951d56dbbce061a30214090be52849","schema_version":"1.0","event_id":"sha256:f73a38feb78203ebe929b3457e5ad39960951d56dbbce061a30214090be52849"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:F7UWTR4VWS77SI6QW2HKWNMCNW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bipolar Magnetic Regions on the Sun: Global Analysis of the SOHO/MDI Data Set","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. G. Kosovichev, J. O. Stenflo","submitted_at":"2011-12-22T02:59:21Z","abstract_excerpt":"The magnetic flux that is generated by dynamo inside the Sun emerges in the form of bipolar magnetic regions. We have analyzed the whole set of solar magnetograms obtained with the SOHO/MDI instrument in 1995-2011, and automatically identified 160,079 bipolar magnetic regions that span a range of scale sizes across nearly four orders of magnitude. Their properties have been statistically analyzed, in particular with respect to the polarity orientations of the bipolar regions, including their tilt angle distributions. The latitude variation of the average tilt angles (with respect to the E-W di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5226","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":"2026-05-18T01:59:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LjZ/nNNnN+ue4U2HwG3Ux/r3yYRO6LpLnn7QKZ9F/qWiEFEQ8qTJbTPomOV7u9lZSR5pZeeA/EpZgxGSXqQqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:47:49.486997Z"},"content_sha256":"5baed3566a4b4df834ec084d670d08083edf668ee2ea446e8758f1d374ce4f11","schema_version":"1.0","event_id":"sha256:5baed3566a4b4df834ec084d670d08083edf668ee2ea446e8758f1d374ce4f11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F7UWTR4VWS77SI6QW2HKWNMCNW/bundle.json","state_url":"https://pith.science/pith/F7UWTR4VWS77SI6QW2HKWNMCNW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F7UWTR4VWS77SI6QW2HKWNMCNW/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":"2026-06-08T23:47:49Z","links":{"resolver":"https://pith.science/pith/F7UWTR4VWS77SI6QW2HKWNMCNW","bundle":"https://pith.science/pith/F7UWTR4VWS77SI6QW2HKWNMCNW/bundle.json","state":"https://pith.science/pith/F7UWTR4VWS77SI6QW2HKWNMCNW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F7UWTR4VWS77SI6QW2HKWNMCNW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:F7UWTR4VWS77SI6QW2HKWNMCNW","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":"706ecb84c76373ae87b096814a570b29445a136fc8d1c3e543f35f962afd6d69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-22T02:59:21Z","title_canon_sha256":"d268f4efb2ddb23cd787383e114a153c1fa032835561ab8e7e3712b3ec4b7eb3"},"schema_version":"1.0","source":{"id":"1112.5226","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5226","created_at":"2026-05-18T01:59:03Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5226v1","created_at":"2026-05-18T01:59:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5226","created_at":"2026-05-18T01:59:03Z"},{"alias_kind":"pith_short_12","alias_value":"F7UWTR4VWS77","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"F7UWTR4VWS77SI6Q","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"F7UWTR4V","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:5baed3566a4b4df834ec084d670d08083edf668ee2ea446e8758f1d374ce4f11","target":"graph","created_at":"2026-05-18T01:59:03Z","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":"The magnetic flux that is generated by dynamo inside the Sun emerges in the form of bipolar magnetic regions. We have analyzed the whole set of solar magnetograms obtained with the SOHO/MDI instrument in 1995-2011, and automatically identified 160,079 bipolar magnetic regions that span a range of scale sizes across nearly four orders of magnitude. Their properties have been statistically analyzed, in particular with respect to the polarity orientations of the bipolar regions, including their tilt angle distributions. The latitude variation of the average tilt angles (with respect to the E-W di","authors_text":"A. G. Kosovichev, J. O. Stenflo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-22T02:59:21Z","title":"Bipolar Magnetic Regions on the Sun: Global Analysis of the SOHO/MDI Data Set"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5226","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:f73a38feb78203ebe929b3457e5ad39960951d56dbbce061a30214090be52849","target":"record","created_at":"2026-05-18T01:59:03Z","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":"706ecb84c76373ae87b096814a570b29445a136fc8d1c3e543f35f962afd6d69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-22T02:59:21Z","title_canon_sha256":"d268f4efb2ddb23cd787383e114a153c1fa032835561ab8e7e3712b3ec4b7eb3"},"schema_version":"1.0","source":{"id":"1112.5226","kind":"arxiv","version":1}},"canonical_sha256":"2fe969c795b4bff923d0b68eab35826da19b99e5a4295a93e9aef41e9d6bcb73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fe969c795b4bff923d0b68eab35826da19b99e5a4295a93e9aef41e9d6bcb73","first_computed_at":"2026-05-18T01:59:03.433023Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:03.433023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r++Iup6sDJC/+45JbqGBsdGorjXjgoT+X2l/mgMfQdqQ0lJ/jHm92g+K6/8oQPE7NSR3FHvU/CDqkuuAWmRcDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:03.433752Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.5226","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f73a38feb78203ebe929b3457e5ad39960951d56dbbce061a30214090be52849","sha256:5baed3566a4b4df834ec084d670d08083edf668ee2ea446e8758f1d374ce4f11"],"state_sha256":"343566b6cdccf8bb11335425dea109e10201d12b3d41ddbba32a7953cb34cf84"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AHjxP6Z+RcoZT0qPnS5QuZdvPTD/AjSoEhmUUiS8qxAcyJNeEKazfFFglDUZpKYFK8zDtzyjck9MUYgWGruSBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:47:49.489026Z","bundle_sha256":"3ddfcf234b20bb3ae2f8b55f47a55091e1748f5e106df7b839c8490186340e8b"}}