{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:MCECZV5K35DID5RV3REBMEWQDQ","short_pith_number":"pith:MCECZV5K","canonical_record":{"source":{"id":"1308.2780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-13T08:10:52Z","cross_cats_sorted":[],"title_canon_sha256":"3fe8c6a03ac6750bf7c021ba62d60e1b67dcfd5f6f5e6e8652f10618096b86d3","abstract_canon_sha256":"81509c2ec40868dd4a146259f666e23d8332518185bc05652ab6c2af0fa9ae77"},"schema_version":"1.0"},"canonical_sha256":"60882cd7aadf4681f635dc481612d01c37561fb288fbc99823fcdb4cda0b40bd","source":{"kind":"arxiv","id":"1308.2780","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.2780","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"1308.2780v1","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.2780","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"MCECZV5K35DI","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MCECZV5K35DID5RV","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MCECZV5K","created_at":"2026-05-18T12:27:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:MCECZV5K35DID5RV3REBMEWQDQ","target":"record","payload":{"canonical_record":{"source":{"id":"1308.2780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-13T08:10:52Z","cross_cats_sorted":[],"title_canon_sha256":"3fe8c6a03ac6750bf7c021ba62d60e1b67dcfd5f6f5e6e8652f10618096b86d3","abstract_canon_sha256":"81509c2ec40868dd4a146259f666e23d8332518185bc05652ab6c2af0fa9ae77"},"schema_version":"1.0"},"canonical_sha256":"60882cd7aadf4681f635dc481612d01c37561fb288fbc99823fcdb4cda0b40bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:15.993299Z","signature_b64":"c+7pH/7IPEnhR+1l/T5l7PuEAOsFIIPCz2ohoYDdbrYTuDVPDViv+5WHGrijK5/hq/KQs78+Ee4rzM7MGa9kBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60882cd7aadf4681f635dc481612d01c37561fb288fbc99823fcdb4cda0b40bd","last_reissued_at":"2026-05-18T01:48:15.992717Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:15.992717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.2780","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":"2026-05-18T01:48:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TDbJ8Tkspf0qB6RxGv/rEBnCQPYiiEOvdsErK6KsC3yNRV3x8T8LavDBaNnvqNfSn5adnZvnKf/u3tD++A/tCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:25:28.076898Z"},"content_sha256":"3e16a45ade9341da60e10a450d206b16dfffdbda149024348095f4ef424ab5a4","schema_version":"1.0","event_id":"sha256:3e16a45ade9341da60e10a450d206b16dfffdbda149024348095f4ef424ab5a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:MCECZV5K35DID5RV3REBMEWQDQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Unusual migration of the prominence activities in the southern hemisphere during Cycle 23--24","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Masumi Shimojo","submitted_at":"2013-08-13T08:10:52Z","abstract_excerpt":"The solar activity in Cycle 23--24 shows differences from the previous cycles that were observed with modern instruments, e.g. long cycle duration and a small number of sunspots. To appreciate the anomalies further, we investigated the prominence eruptions and disappearances observed with the Nobeyama Radioheliograph during over 20 years. Consequently, we found that the occurrence of the prominence activities in the northern hemisphere is normal because the period of the number variation is 11 years and the migration of the producing region of the prominence activities traces the migration of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.2780","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":"2026-05-18T01:48:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6WcODZhEYxwf0aMEIYTyXXAm7Q/f6ZRsrgrfuJh/jzAocjZQGbWuM3dMUs18lrpmx89TItuXaT58MjzaG91aBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:25:28.077540Z"},"content_sha256":"618bcdc37c9cf691d86becc363e7e5883a478ea6c7dd6b016a6b8727f71d3409","schema_version":"1.0","event_id":"sha256:618bcdc37c9cf691d86becc363e7e5883a478ea6c7dd6b016a6b8727f71d3409"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MCECZV5K35DID5RV3REBMEWQDQ/bundle.json","state_url":"https://pith.science/pith/MCECZV5K35DID5RV3REBMEWQDQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MCECZV5K35DID5RV3REBMEWQDQ/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":"2026-05-27T22:25:28Z","links":{"resolver":"https://pith.science/pith/MCECZV5K35DID5RV3REBMEWQDQ","bundle":"https://pith.science/pith/MCECZV5K35DID5RV3REBMEWQDQ/bundle.json","state":"https://pith.science/pith/MCECZV5K35DID5RV3REBMEWQDQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MCECZV5K35DID5RV3REBMEWQDQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:MCECZV5K35DID5RV3REBMEWQDQ","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":"81509c2ec40868dd4a146259f666e23d8332518185bc05652ab6c2af0fa9ae77","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-13T08:10:52Z","title_canon_sha256":"3fe8c6a03ac6750bf7c021ba62d60e1b67dcfd5f6f5e6e8652f10618096b86d3"},"schema_version":"1.0","source":{"id":"1308.2780","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.2780","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"1308.2780v1","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.2780","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"MCECZV5K35DI","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"MCECZV5K35DID5RV","created_at":"2026-05-18T12:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"MCECZV5K","created_at":"2026-05-18T12:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:618bcdc37c9cf691d86becc363e7e5883a478ea6c7dd6b016a6b8727f71d3409","target":"graph","created_at":"2026-05-18T01:48:15Z","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 solar activity in Cycle 23--24 shows differences from the previous cycles that were observed with modern instruments, e.g. long cycle duration and a small number of sunspots. To appreciate the anomalies further, we investigated the prominence eruptions and disappearances observed with the Nobeyama Radioheliograph during over 20 years. Consequently, we found that the occurrence of the prominence activities in the northern hemisphere is normal because the period of the number variation is 11 years and the migration of the producing region of the prominence activities traces the migration of ","authors_text":"Masumi Shimojo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-13T08:10:52Z","title":"Unusual migration of the prominence activities in the southern hemisphere during Cycle 23--24"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.2780","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":"sha256:3e16a45ade9341da60e10a450d206b16dfffdbda149024348095f4ef424ab5a4","target":"record","created_at":"2026-05-18T01:48:15Z","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":"81509c2ec40868dd4a146259f666e23d8332518185bc05652ab6c2af0fa9ae77","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-13T08:10:52Z","title_canon_sha256":"3fe8c6a03ac6750bf7c021ba62d60e1b67dcfd5f6f5e6e8652f10618096b86d3"},"schema_version":"1.0","source":{"id":"1308.2780","kind":"arxiv","version":1}},"canonical_sha256":"60882cd7aadf4681f635dc481612d01c37561fb288fbc99823fcdb4cda0b40bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60882cd7aadf4681f635dc481612d01c37561fb288fbc99823fcdb4cda0b40bd","first_computed_at":"2026-05-18T01:48:15.992717Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:15.992717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c+7pH/7IPEnhR+1l/T5l7PuEAOsFIIPCz2ohoYDdbrYTuDVPDViv+5WHGrijK5/hq/KQs78+Ee4rzM7MGa9kBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:15.993299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.2780","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e16a45ade9341da60e10a450d206b16dfffdbda149024348095f4ef424ab5a4","sha256:618bcdc37c9cf691d86becc363e7e5883a478ea6c7dd6b016a6b8727f71d3409"],"state_sha256":"f430af6e6c814c21dd68b69b0a8b38bbec72257e6ec9d4d73e7a59d1327494d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jBPURhZF0f0T6Yr+tJNq/DEjCS4BI3NXv5xdfDchN+0H3/XLKgD5Bq4l8dIFJi+h3PpojuQH1ahKg1P6FdwmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:25:28.081017Z","bundle_sha256":"8c3a90bf5363b8b578090a2836d6e2ee6a58b93940874885d1f8757bc8c8bdd5"}}