{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ADWT2VIPSG7LBINS32Z3NGIDLV","short_pith_number":"pith:ADWT2VIP","canonical_record":{"source":{"id":"1212.4027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-17T15:37:09Z","cross_cats_sorted":[],"title_canon_sha256":"292fff29987736830e6f00a7fd17209abb1599a0529b69b3c2c7ae3fde879434","abstract_canon_sha256":"e67e2e35fdfcf6bb2e2a0a4e2a7e396cc71029482a1522bdcfdc41301fb9b8e2"},"schema_version":"1.0"},"canonical_sha256":"00ed3d550f91beb0a1b2deb3b699035d7f49234756415bd21901f334c13a0ab5","source":{"kind":"arxiv","id":"1212.4027","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4027","created_at":"2026-05-18T01:52:37Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4027v1","created_at":"2026-05-18T01:52:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4027","created_at":"2026-05-18T01:52:37Z"},{"alias_kind":"pith_short_12","alias_value":"ADWT2VIPSG7L","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"ADWT2VIPSG7LBINS","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"ADWT2VIP","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ADWT2VIPSG7LBINS32Z3NGIDLV","target":"record","payload":{"canonical_record":{"source":{"id":"1212.4027","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-17T15:37:09Z","cross_cats_sorted":[],"title_canon_sha256":"292fff29987736830e6f00a7fd17209abb1599a0529b69b3c2c7ae3fde879434","abstract_canon_sha256":"e67e2e35fdfcf6bb2e2a0a4e2a7e396cc71029482a1522bdcfdc41301fb9b8e2"},"schema_version":"1.0"},"canonical_sha256":"00ed3d550f91beb0a1b2deb3b699035d7f49234756415bd21901f334c13a0ab5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:37.415337Z","signature_b64":"jzUQmuss4GiOhQc+8tA1y0zuhyKFPQTTv93KFG6bAgPEjNx6VWhCN31/ByGnz0JrZvt35S4FoUShim4URfPsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00ed3d550f91beb0a1b2deb3b699035d7f49234756415bd21901f334c13a0ab5","last_reissued_at":"2026-05-18T01:52:37.414707Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:37.414707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.4027","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":"2026-05-18T01:52:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pP3nHr3rG6EhrXJkHDCXKMvNCYZKcqKc3EC8ZDa74SNcf8VA9OnAia79R6qgoboTKJOhS/U/me+IxuXuoX6uCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:56:39.793984Z"},"content_sha256":"0d5e9d28569aea34e4aaade6b74dea9c314b55d8466d86932c8ab856512bdbd2","schema_version":"1.0","event_id":"sha256:0d5e9d28569aea34e4aaade6b74dea9c314b55d8466d86932c8ab856512bdbd2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ADWT2VIPSG7LBINS32Z3NGIDLV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chromospheric Evaporation in an M1.8 Flare Observed by the Extreme-ultraviolet Imaging Spectrometer on Hinode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"George A. Doschek, Harry P. Warren, Peter R. Young","submitted_at":"2012-12-17T15:37:09Z","abstract_excerpt":"We discuss observations of chromospheric evaporation for a complex flare that occurred on 9 March 2012 near 03:30 UT obtained from the Extreme-ultraviolet Imaging Spectrometer (EIS) on the Hinode spacecraft. This was a multiple event with a strong energy input that reached the M1.8 class when observed by EIS. EIS obtained a full-CCD spectrum of the flare. Chromospheric evaporation characterized by 150-200 km/s upflows was observed in multiple locations in multi-million degree spectral lines of flare ions such as Fe XXII, Fe XXIII, and Fe XXIV, with simultaneous 20-60 km/s upflows in million de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4027","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":"2026-05-18T01:52:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7rHVPfqi8DiRJZrCpwvSyTB1FKlAhvY8KzP2GYtCuj29FziuUS8pI6vECefD/KEW8eyBB3PK7DlVQBPQOrkRAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:56:39.794697Z"},"content_sha256":"fed4148f3faede623ad4799b12a33bdf2ee52718f5234abe7f45c955233e2d86","schema_version":"1.0","event_id":"sha256:fed4148f3faede623ad4799b12a33bdf2ee52718f5234abe7f45c955233e2d86"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ADWT2VIPSG7LBINS32Z3NGIDLV/bundle.json","state_url":"https://pith.science/pith/ADWT2VIPSG7LBINS32Z3NGIDLV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ADWT2VIPSG7LBINS32Z3NGIDLV/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":"2026-05-27T22:56:39Z","links":{"resolver":"https://pith.science/pith/ADWT2VIPSG7LBINS32Z3NGIDLV","bundle":"https://pith.science/pith/ADWT2VIPSG7LBINS32Z3NGIDLV/bundle.json","state":"https://pith.science/pith/ADWT2VIPSG7LBINS32Z3NGIDLV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ADWT2VIPSG7LBINS32Z3NGIDLV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ADWT2VIPSG7LBINS32Z3NGIDLV","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":"e67e2e35fdfcf6bb2e2a0a4e2a7e396cc71029482a1522bdcfdc41301fb9b8e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-17T15:37:09Z","title_canon_sha256":"292fff29987736830e6f00a7fd17209abb1599a0529b69b3c2c7ae3fde879434"},"schema_version":"1.0","source":{"id":"1212.4027","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.4027","created_at":"2026-05-18T01:52:37Z"},{"alias_kind":"arxiv_version","alias_value":"1212.4027v1","created_at":"2026-05-18T01:52:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.4027","created_at":"2026-05-18T01:52:37Z"},{"alias_kind":"pith_short_12","alias_value":"ADWT2VIPSG7L","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"ADWT2VIPSG7LBINS","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"ADWT2VIP","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:fed4148f3faede623ad4799b12a33bdf2ee52718f5234abe7f45c955233e2d86","target":"graph","created_at":"2026-05-18T01:52:37Z","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":"We discuss observations of chromospheric evaporation for a complex flare that occurred on 9 March 2012 near 03:30 UT obtained from the Extreme-ultraviolet Imaging Spectrometer (EIS) on the Hinode spacecraft. This was a multiple event with a strong energy input that reached the M1.8 class when observed by EIS. EIS obtained a full-CCD spectrum of the flare. Chromospheric evaporation characterized by 150-200 km/s upflows was observed in multiple locations in multi-million degree spectral lines of flare ions such as Fe XXII, Fe XXIII, and Fe XXIV, with simultaneous 20-60 km/s upflows in million de","authors_text":"George A. Doschek, Harry P. Warren, Peter R. Young","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-17T15:37:09Z","title":"Chromospheric Evaporation in an M1.8 Flare Observed by the Extreme-ultraviolet Imaging Spectrometer on Hinode"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.4027","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":"sha256:0d5e9d28569aea34e4aaade6b74dea9c314b55d8466d86932c8ab856512bdbd2","target":"record","created_at":"2026-05-18T01:52:37Z","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":"e67e2e35fdfcf6bb2e2a0a4e2a7e396cc71029482a1522bdcfdc41301fb9b8e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-17T15:37:09Z","title_canon_sha256":"292fff29987736830e6f00a7fd17209abb1599a0529b69b3c2c7ae3fde879434"},"schema_version":"1.0","source":{"id":"1212.4027","kind":"arxiv","version":1}},"canonical_sha256":"00ed3d550f91beb0a1b2deb3b699035d7f49234756415bd21901f334c13a0ab5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00ed3d550f91beb0a1b2deb3b699035d7f49234756415bd21901f334c13a0ab5","first_computed_at":"2026-05-18T01:52:37.414707Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:37.414707Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jzUQmuss4GiOhQc+8tA1y0zuhyKFPQTTv93KFG6bAgPEjNx6VWhCN31/ByGnz0JrZvt35S4FoUShim4URfPsAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:37.415337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.4027","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d5e9d28569aea34e4aaade6b74dea9c314b55d8466d86932c8ab856512bdbd2","sha256:fed4148f3faede623ad4799b12a33bdf2ee52718f5234abe7f45c955233e2d86"],"state_sha256":"6252f05d6afe245f44a9c32817cb62b5ccbdc9747a3e975254602e490fccfbe9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"93NhBi6Yu7SnljC6/thtap9qzNDsKJ8/Jfn2dUBcxT7Bxyb8/4Bifyo8excHgOiMuk6FA4tLX1J4o7E1xufCAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:56:39.797386Z","bundle_sha256":"3147dad66e71bf2463fb52575db888b0d88c7a26cda52a692ba28ad135f17f5e"}}