{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ER72MSAWMMPUYHDJQKYRFENFQX","short_pith_number":"pith:ER72MSAW","canonical_record":{"source":{"id":"0903.2605","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-03-15T04:47:34Z","cross_cats_sorted":[],"title_canon_sha256":"05db56e691ffe9cd0d5c8a316af65f58909c6e1ba27822fa2609bedf256dd781","abstract_canon_sha256":"620cafb9e3ec5167ed94d24d4143406b497391c823bb472d77729b5647505355"},"schema_version":"1.0"},"canonical_sha256":"247fa64816631f4c1c6982b11291a585c55af91adc8888900f750d24d3fa0dc5","source":{"kind":"arxiv","id":"0903.2605","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.2605","created_at":"2026-05-18T02:14:28Z"},{"alias_kind":"arxiv_version","alias_value":"0903.2605v1","created_at":"2026-05-18T02:14:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.2605","created_at":"2026-05-18T02:14:28Z"},{"alias_kind":"pith_short_12","alias_value":"ER72MSAWMMPU","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"ER72MSAWMMPUYHDJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"ER72MSAW","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ER72MSAWMMPUYHDJQKYRFENFQX","target":"record","payload":{"canonical_record":{"source":{"id":"0903.2605","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-03-15T04:47:34Z","cross_cats_sorted":[],"title_canon_sha256":"05db56e691ffe9cd0d5c8a316af65f58909c6e1ba27822fa2609bedf256dd781","abstract_canon_sha256":"620cafb9e3ec5167ed94d24d4143406b497391c823bb472d77729b5647505355"},"schema_version":"1.0"},"canonical_sha256":"247fa64816631f4c1c6982b11291a585c55af91adc8888900f750d24d3fa0dc5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:28.210176Z","signature_b64":"6faBEYff4SqbCGIjVMAjXHVIgEsAcfHbZeta3XZYRimHJRtP7PlWeHDB47Ski1vXMizzH2FmLMSOS99osRe5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"247fa64816631f4c1c6982b11291a585c55af91adc8888900f750d24d3fa0dc5","last_reissued_at":"2026-05-18T02:14:28.209579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:28.209579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0903.2605","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":"2026-05-18T02:14:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WdguWUf/zc4htlSLbQshb6AT1cevVaqGRZntnb3/SBoymk5XTer1HVQuqwrNwR/+qKVos9LDk7cLe2dvB9XJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:21:39.769652Z"},"content_sha256":"141d9c89a50396e0149b86def59312415e79c0b3e2940f4ee769f0a16b4ed385","schema_version":"1.0","event_id":"sha256:141d9c89a50396e0149b86def59312415e79c0b3e2940f4ee769f0a16b4ed385"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ER72MSAWMMPUYHDJQKYRFENFQX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Evershed Effect with SOT/Hinode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Kiyoshi Ichimoto, SOT/Hinode-team","submitted_at":"2009-03-15T04:47:34Z","abstract_excerpt":"The Solar Optical Telescope onboard Hinode revealed the fine-scale structure of the Evershed flow and its relation to the filamentary structures of the sunspot penumbra. The Evershed flow is confined in narrow channels with nearly horizontal magnetic fields, embedded in a deep layer of the penumbral atmosphere. It is a dynamic phenomenon with flow velocity close to the photospheric sound speed. Individual flow channels are associated with tiny upflows of hot gas (sources) at the inner end and downflows (sinks) at the outer end. SOT/Hinode also discovered ``twisting'' motions of penumbral filam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.2605","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":"2026-05-18T02:14:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8R6+mAb3XkE7+V/aYDtVFI3IEMUJw3QTVciFRN1dx8GBQLy5vPeInPbDUrk8kyxVlKLlN21pv3NHH35S+TKwDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T11:21:39.770415Z"},"content_sha256":"fc757b2b181dff9fac431d72b1d985f52ac7ce0f7bb004b0e5b82aa9a09456e5","schema_version":"1.0","event_id":"sha256:fc757b2b181dff9fac431d72b1d985f52ac7ce0f7bb004b0e5b82aa9a09456e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ER72MSAWMMPUYHDJQKYRFENFQX/bundle.json","state_url":"https://pith.science/pith/ER72MSAWMMPUYHDJQKYRFENFQX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ER72MSAWMMPUYHDJQKYRFENFQX/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":"2026-05-23T11:21:39Z","links":{"resolver":"https://pith.science/pith/ER72MSAWMMPUYHDJQKYRFENFQX","bundle":"https://pith.science/pith/ER72MSAWMMPUYHDJQKYRFENFQX/bundle.json","state":"https://pith.science/pith/ER72MSAWMMPUYHDJQKYRFENFQX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ER72MSAWMMPUYHDJQKYRFENFQX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ER72MSAWMMPUYHDJQKYRFENFQX","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":"620cafb9e3ec5167ed94d24d4143406b497391c823bb472d77729b5647505355","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-03-15T04:47:34Z","title_canon_sha256":"05db56e691ffe9cd0d5c8a316af65f58909c6e1ba27822fa2609bedf256dd781"},"schema_version":"1.0","source":{"id":"0903.2605","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.2605","created_at":"2026-05-18T02:14:28Z"},{"alias_kind":"arxiv_version","alias_value":"0903.2605v1","created_at":"2026-05-18T02:14:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.2605","created_at":"2026-05-18T02:14:28Z"},{"alias_kind":"pith_short_12","alias_value":"ER72MSAWMMPU","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"ER72MSAWMMPUYHDJ","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"ER72MSAW","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:fc757b2b181dff9fac431d72b1d985f52ac7ce0f7bb004b0e5b82aa9a09456e5","target":"graph","created_at":"2026-05-18T02:14:28Z","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 Optical Telescope onboard Hinode revealed the fine-scale structure of the Evershed flow and its relation to the filamentary structures of the sunspot penumbra. The Evershed flow is confined in narrow channels with nearly horizontal magnetic fields, embedded in a deep layer of the penumbral atmosphere. It is a dynamic phenomenon with flow velocity close to the photospheric sound speed. Individual flow channels are associated with tiny upflows of hot gas (sources) at the inner end and downflows (sinks) at the outer end. SOT/Hinode also discovered ``twisting'' motions of penumbral filam","authors_text":"Kiyoshi Ichimoto, SOT/Hinode-team","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-03-15T04:47:34Z","title":"The Evershed Effect with SOT/Hinode"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.2605","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":"sha256:141d9c89a50396e0149b86def59312415e79c0b3e2940f4ee769f0a16b4ed385","target":"record","created_at":"2026-05-18T02:14:28Z","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":"620cafb9e3ec5167ed94d24d4143406b497391c823bb472d77729b5647505355","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-03-15T04:47:34Z","title_canon_sha256":"05db56e691ffe9cd0d5c8a316af65f58909c6e1ba27822fa2609bedf256dd781"},"schema_version":"1.0","source":{"id":"0903.2605","kind":"arxiv","version":1}},"canonical_sha256":"247fa64816631f4c1c6982b11291a585c55af91adc8888900f750d24d3fa0dc5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"247fa64816631f4c1c6982b11291a585c55af91adc8888900f750d24d3fa0dc5","first_computed_at":"2026-05-18T02:14:28.209579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:28.209579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6faBEYff4SqbCGIjVMAjXHVIgEsAcfHbZeta3XZYRimHJRtP7PlWeHDB47Ski1vXMizzH2FmLMSOS99osRe5BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:28.210176Z","signed_message":"canonical_sha256_bytes"},"source_id":"0903.2605","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:141d9c89a50396e0149b86def59312415e79c0b3e2940f4ee769f0a16b4ed385","sha256:fc757b2b181dff9fac431d72b1d985f52ac7ce0f7bb004b0e5b82aa9a09456e5"],"state_sha256":"2ed06f966bb5532d156b8bf5a9a316456c5ae49eeee021315fbd184715479bf1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0jip9fnO72eSJXgHUeFpWPfmZP/m95R5ExsBWG6VqfEIv64YqJWpH1PCJMWl7bbIWsUd0X66jlnHz/KUmGv3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T11:21:39.774720Z","bundle_sha256":"5489d7367333cbcc5d36438f8004b3a475dc8656d1dea6e5abecbf30d4e96edc"}}