{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:23TQP7MJ744JHXKO4ND3MN3SKH","short_pith_number":"pith:23TQP7MJ","canonical_record":{"source":{"id":"1103.1520","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-08T13:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"352d66fb83b13d96c06a046867b4ffa6148bda2a86a850f9c98403574296605a","abstract_canon_sha256":"bec4a960a4c1f241136e471bd491c781ca932a3b31eef5bdc365f68ec522211e"},"schema_version":"1.0"},"canonical_sha256":"d6e707fd89ff3893dd4ee347b6377251c412bbdd426a310c592e1cb89c7deb8b","source":{"kind":"arxiv","id":"1103.1520","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1520","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1520v1","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1520","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"23TQP7MJ744J","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"23TQP7MJ744JHXKO","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"23TQP7MJ","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:23TQP7MJ744JHXKO4ND3MN3SKH","target":"record","payload":{"canonical_record":{"source":{"id":"1103.1520","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-08T13:08:05Z","cross_cats_sorted":[],"title_canon_sha256":"352d66fb83b13d96c06a046867b4ffa6148bda2a86a850f9c98403574296605a","abstract_canon_sha256":"bec4a960a4c1f241136e471bd491c781ca932a3b31eef5bdc365f68ec522211e"},"schema_version":"1.0"},"canonical_sha256":"d6e707fd89ff3893dd4ee347b6377251c412bbdd426a310c592e1cb89c7deb8b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:56.446493Z","signature_b64":"o4asYLaaAZY3BoQPLcH8oC/3A8kGr6XftkyAut/EDf2cXHmd92XVJaEx3hPSTEhuMnaE8hi0JNh1a3du199VBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6e707fd89ff3893dd4ee347b6377251c412bbdd426a310c592e1cb89c7deb8b","last_reissued_at":"2026-05-18T02:02:56.445947Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:56.445947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.1520","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":"2026-05-18T02:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rtb7BYorTe2vfGtJYLWatiq9sDxD3/DKjvLAXMb4u+3ikFSQpii1PlpWfC2Ap0fYmQax+3oKkBBlSqCzLYRjDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:40:13.731749Z"},"content_sha256":"4c6dc9ef8281c921fb413cd3eb449ee4a3f7641c19bff86f6de72ccbc1ace372","schema_version":"1.0","event_id":"sha256:4c6dc9ef8281c921fb413cd3eb449ee4a3f7641c19bff86f6de72ccbc1ace372"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:23TQP7MJ744JHXKO4ND3MN3SKH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revisited sunspot data: A new scenario for the onset of the Maunder minimum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. A. Kovaltsov, I. G. Usoskin, J. M. Vaquero, M. C. Gallego","submitted_at":"2011-03-08T13:08:05Z","abstract_excerpt":"Maunder Minimum forms an archetype for the Grand minima, and detailed knowledge of its temporal development has important consequences for the solar dynamo theory dealing with long-term solar activity evolution. Here we reconsider the current paradigm of the Grand minimum general scenario by using newly recovered sunspot observations by G. Marcgraf and revising some earlier uncertain data for the period 1636--1642, i.e., one solar cycle before the beginning of the Maunder Minimum. The new and revised data dramatically change the magnitude of the sunspot cycle just before the Maunder Minimum, f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1520","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":"2026-05-18T02:02:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8YOyNQpk6xdI3tPSOS75Nhvo20iZ+xKN//aNPtfZ2hvbkwxjKo+GGsim8tXwDLbPMMEE9+RBUgHezUfQ1wpaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T05:40:13.732428Z"},"content_sha256":"a77dd93748105eb53237145766b6c5642a90139ae8498de01e91f46b042e41cf","schema_version":"1.0","event_id":"sha256:a77dd93748105eb53237145766b6c5642a90139ae8498de01e91f46b042e41cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23TQP7MJ744JHXKO4ND3MN3SKH/bundle.json","state_url":"https://pith.science/pith/23TQP7MJ744JHXKO4ND3MN3SKH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23TQP7MJ744JHXKO4ND3MN3SKH/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":"2026-05-27T05:40:13Z","links":{"resolver":"https://pith.science/pith/23TQP7MJ744JHXKO4ND3MN3SKH","bundle":"https://pith.science/pith/23TQP7MJ744JHXKO4ND3MN3SKH/bundle.json","state":"https://pith.science/pith/23TQP7MJ744JHXKO4ND3MN3SKH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23TQP7MJ744JHXKO4ND3MN3SKH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:23TQP7MJ744JHXKO4ND3MN3SKH","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":"bec4a960a4c1f241136e471bd491c781ca932a3b31eef5bdc365f68ec522211e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-08T13:08:05Z","title_canon_sha256":"352d66fb83b13d96c06a046867b4ffa6148bda2a86a850f9c98403574296605a"},"schema_version":"1.0","source":{"id":"1103.1520","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.1520","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"arxiv_version","alias_value":"1103.1520v1","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1520","created_at":"2026-05-18T02:02:56Z"},{"alias_kind":"pith_short_12","alias_value":"23TQP7MJ744J","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"23TQP7MJ744JHXKO","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"23TQP7MJ","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:a77dd93748105eb53237145766b6c5642a90139ae8498de01e91f46b042e41cf","target":"graph","created_at":"2026-05-18T02:02:56Z","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":"Maunder Minimum forms an archetype for the Grand minima, and detailed knowledge of its temporal development has important consequences for the solar dynamo theory dealing with long-term solar activity evolution. Here we reconsider the current paradigm of the Grand minimum general scenario by using newly recovered sunspot observations by G. Marcgraf and revising some earlier uncertain data for the period 1636--1642, i.e., one solar cycle before the beginning of the Maunder Minimum. The new and revised data dramatically change the magnitude of the sunspot cycle just before the Maunder Minimum, f","authors_text":"G. A. Kovaltsov, I. G. Usoskin, J. M. Vaquero, M. C. Gallego","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-08T13:08:05Z","title":"Revisited sunspot data: A new scenario for the onset of the Maunder minimum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1520","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":"sha256:4c6dc9ef8281c921fb413cd3eb449ee4a3f7641c19bff86f6de72ccbc1ace372","target":"record","created_at":"2026-05-18T02:02:56Z","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":"bec4a960a4c1f241136e471bd491c781ca932a3b31eef5bdc365f68ec522211e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-08T13:08:05Z","title_canon_sha256":"352d66fb83b13d96c06a046867b4ffa6148bda2a86a850f9c98403574296605a"},"schema_version":"1.0","source":{"id":"1103.1520","kind":"arxiv","version":1}},"canonical_sha256":"d6e707fd89ff3893dd4ee347b6377251c412bbdd426a310c592e1cb89c7deb8b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6e707fd89ff3893dd4ee347b6377251c412bbdd426a310c592e1cb89c7deb8b","first_computed_at":"2026-05-18T02:02:56.445947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:56.445947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o4asYLaaAZY3BoQPLcH8oC/3A8kGr6XftkyAut/EDf2cXHmd92XVJaEx3hPSTEhuMnaE8hi0JNh1a3du199VBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:56.446493Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.1520","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c6dc9ef8281c921fb413cd3eb449ee4a3f7641c19bff86f6de72ccbc1ace372","sha256:a77dd93748105eb53237145766b6c5642a90139ae8498de01e91f46b042e41cf"],"state_sha256":"44f963c0bff90bf6445d5f658821c54381372ded32e9b13cfa352ca6d9c5c45e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/4uLilUSf/x6biBiAQEzPwpUOmko1B93WoXk4mNJnxpN3bEQStUawSKUiow/zhPAcl8kI85i2Sr0gmzDjNVCDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T05:40:13.735512Z","bundle_sha256":"cbbbf2939264cbfafd96c584c6677e09deaba122365b18c842c30a7d1c53aa0a"}}