{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:HJQZMNVOCU3VQJHWO7ZWWQU3SS","short_pith_number":"pith:HJQZMNVO","canonical_record":{"source":{"id":"1001.1464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-10T00:37:53Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"e842135931ad317508b7020e6b250e852f204d3a99bf0e1e528162ed2885ede0","abstract_canon_sha256":"16e5425c0a1b770f041a37ea0828c3bec6b0e5d1e6bdd072c9b677a61b88a9d2"},"schema_version":"1.0"},"canonical_sha256":"3a619636ae15375824f677f36b429b94a9b94ffb48e4daf727604a6f94a3dc65","source":{"kind":"arxiv","id":"1001.1464","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1464","created_at":"2026-05-18T02:10:03Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1464v1","created_at":"2026-05-18T02:10:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1464","created_at":"2026-05-18T02:10:03Z"},{"alias_kind":"pith_short_12","alias_value":"HJQZMNVOCU3V","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HJQZMNVOCU3VQJHW","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HJQZMNVO","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:HJQZMNVOCU3VQJHWO7ZWWQU3SS","target":"record","payload":{"canonical_record":{"source":{"id":"1001.1464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-10T00:37:53Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"e842135931ad317508b7020e6b250e852f204d3a99bf0e1e528162ed2885ede0","abstract_canon_sha256":"16e5425c0a1b770f041a37ea0828c3bec6b0e5d1e6bdd072c9b677a61b88a9d2"},"schema_version":"1.0"},"canonical_sha256":"3a619636ae15375824f677f36b429b94a9b94ffb48e4daf727604a6f94a3dc65","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:03.460705Z","signature_b64":"noZV5KQ1TQjWGtP1UwWAVaMgDXYndpYBMWc8Vd4VNNdfMTZvzrzr/KI43OfkqDXwfiVPnpb5qy3bWEqJ/u0HCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a619636ae15375824f677f36b429b94a9b94ffb48e4daf727604a6f94a3dc65","last_reissued_at":"2026-05-18T02:10:03.460221Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:03.460221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.1464","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":"2026-05-18T02:10:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gh3F2Ukp+ZU/GDn3R9HwNLfM0pGeyJmhN40IUs9CXf9Yduzk+JGVlIpZBBbjMuMhB4eF6hWFSzvc5H7b1eRWBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:29:35.243616Z"},"content_sha256":"b40fffadbf70d021be1e08578b0ea1befe252beed11d224fcda4e5776bb3b49f","schema_version":"1.0","event_id":"sha256:b40fffadbf70d021be1e08578b0ea1befe252beed11d224fcda4e5776bb3b49f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:HJQZMNVOCU3VQJHWO7ZWWQU3SS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for departure from a power-law flare size distribution for a small solar active region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"M.S. Wheatland","submitted_at":"2010-01-10T00:37:53Z","abstract_excerpt":"Active region 11029 was a small, highly flare-productive solar active region observed at a time of extremely low solar activity. The region produced only small flares: the largest of the $>70$ Geostationary Observational Environmental Satellite (GOES) events for the region has a peak 1--$8{\\AA}$ flux of $2.2\\times 10^{-6} {\\rm W} {\\rm m}^{-2}$ (GOES C2.2). The background-subtracted GOES peak-flux distribution suggests departure from power-law behavior above $10^{-6} {\\rm W} {\\rm m}^{-2}$, and a Bayesian model comparison strongly favors a power-law plus rollover model for the distribution over "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1464","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":"2026-05-18T02:10:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hGlw5tskkt8mis5zhK5yRPQ9BM9L2xhBXtIqsf0yHLleuiP64uGw8OBQTg+jt/SqlervddPfAgDS0AA/iOU0Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:29:35.243965Z"},"content_sha256":"4247f3aa4c45f1d1837b95d1d9d0acbbf641e784b89086dff8efe7a83dbe72a6","schema_version":"1.0","event_id":"sha256:4247f3aa4c45f1d1837b95d1d9d0acbbf641e784b89086dff8efe7a83dbe72a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS/bundle.json","state_url":"https://pith.science/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS/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":"2026-06-01T12:29:35Z","links":{"resolver":"https://pith.science/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS","bundle":"https://pith.science/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS/bundle.json","state":"https://pith.science/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HJQZMNVOCU3VQJHWO7ZWWQU3SS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:HJQZMNVOCU3VQJHWO7ZWWQU3SS","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":"16e5425c0a1b770f041a37ea0828c3bec6b0e5d1e6bdd072c9b677a61b88a9d2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-10T00:37:53Z","title_canon_sha256":"e842135931ad317508b7020e6b250e852f204d3a99bf0e1e528162ed2885ede0"},"schema_version":"1.0","source":{"id":"1001.1464","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1464","created_at":"2026-05-18T02:10:03Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1464v1","created_at":"2026-05-18T02:10:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1464","created_at":"2026-05-18T02:10:03Z"},{"alias_kind":"pith_short_12","alias_value":"HJQZMNVOCU3V","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"HJQZMNVOCU3VQJHW","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"HJQZMNVO","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:4247f3aa4c45f1d1837b95d1d9d0acbbf641e784b89086dff8efe7a83dbe72a6","target":"graph","created_at":"2026-05-18T02:10:03Z","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":"Active region 11029 was a small, highly flare-productive solar active region observed at a time of extremely low solar activity. The region produced only small flares: the largest of the $>70$ Geostationary Observational Environmental Satellite (GOES) events for the region has a peak 1--$8{\\AA}$ flux of $2.2\\times 10^{-6} {\\rm W} {\\rm m}^{-2}$ (GOES C2.2). The background-subtracted GOES peak-flux distribution suggests departure from power-law behavior above $10^{-6} {\\rm W} {\\rm m}^{-2}$, and a Bayesian model comparison strongly favors a power-law plus rollover model for the distribution over ","authors_text":"M.S. Wheatland","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-10T00:37:53Z","title":"Evidence for departure from a power-law flare size distribution for a small solar active region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1464","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:b40fffadbf70d021be1e08578b0ea1befe252beed11d224fcda4e5776bb3b49f","target":"record","created_at":"2026-05-18T02:10:03Z","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":"16e5425c0a1b770f041a37ea0828c3bec6b0e5d1e6bdd072c9b677a61b88a9d2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-10T00:37:53Z","title_canon_sha256":"e842135931ad317508b7020e6b250e852f204d3a99bf0e1e528162ed2885ede0"},"schema_version":"1.0","source":{"id":"1001.1464","kind":"arxiv","version":1}},"canonical_sha256":"3a619636ae15375824f677f36b429b94a9b94ffb48e4daf727604a6f94a3dc65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a619636ae15375824f677f36b429b94a9b94ffb48e4daf727604a6f94a3dc65","first_computed_at":"2026-05-18T02:10:03.460221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:10:03.460221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"noZV5KQ1TQjWGtP1UwWAVaMgDXYndpYBMWc8Vd4VNNdfMTZvzrzr/KI43OfkqDXwfiVPnpb5qy3bWEqJ/u0HCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:10:03.460705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.1464","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b40fffadbf70d021be1e08578b0ea1befe252beed11d224fcda4e5776bb3b49f","sha256:4247f3aa4c45f1d1837b95d1d9d0acbbf641e784b89086dff8efe7a83dbe72a6"],"state_sha256":"4d8c7e33ab98fd1c71875b1a3b37197030ae615b1b62a35f244ac0ad6862ac0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IxWvcAELQLxnSNqUUgQIT2TtrL4GfV3HVpjxPea56ER+Tx/qvbXAicCArtOIkCHMZ4xm7IWHXeuD88yj3ntuAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:29:35.246042Z","bundle_sha256":"bdccb101636d662e296f99615bc38f913662c75ba4f723d7372adde38f20d54f"}}