{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:7YPFMOWALV5MBTOVU4QK426E7I","short_pith_number":"pith:7YPFMOWA","canonical_record":{"source":{"id":"1409.8603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-30T15:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"7ff4cd80fd13da1f6977bc79f4049a06d48c1863dde4696cfc4c685df31bebad","abstract_canon_sha256":"e1c52515b3d3ab874d810e60aed7d3ee601877be6a3096fd074694d61fdc56d6"},"schema_version":"1.0"},"canonical_sha256":"fe1e563ac05d7ac0cdd5a720ae6bc4fa3a1728c81ea70a810050e2ef795ba327","source":{"kind":"arxiv","id":"1409.8603","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.8603","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1409.8603v2","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.8603","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"7YPFMOWALV5M","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7YPFMOWALV5MBTOV","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7YPFMOWA","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:7YPFMOWALV5MBTOVU4QK426E7I","target":"record","payload":{"canonical_record":{"source":{"id":"1409.8603","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-30T15:46:00Z","cross_cats_sorted":[],"title_canon_sha256":"7ff4cd80fd13da1f6977bc79f4049a06d48c1863dde4696cfc4c685df31bebad","abstract_canon_sha256":"e1c52515b3d3ab874d810e60aed7d3ee601877be6a3096fd074694d61fdc56d6"},"schema_version":"1.0"},"canonical_sha256":"fe1e563ac05d7ac0cdd5a720ae6bc4fa3a1728c81ea70a810050e2ef795ba327","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:53.915899Z","signature_b64":"YQXdWRPww7Z3WHEnDXJXUSwAKOXFGHrH1XN5d+XxNI5e27cdIdyJIuH7vSo3w3Zih2GfaQ+Lx1TCxdmiHIpcDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe1e563ac05d7ac0cdd5a720ae6bc4fa3a1728c81ea70a810050e2ef795ba327","last_reissued_at":"2026-05-18T01:41:53.915430Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:53.915430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.8603","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8+pm7sDXjHFkL9+DNPDdDvuLLy/o59byU6YPIFxFCX9+ovJkBc0sxy7kS4h38FHwA0waa7r9gFyHFPuNMS9hDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:11:36.491547Z"},"content_sha256":"c082af03f250e286012898da65cdbaa44b10ea9ae8c346d9b7fb0969e3e3c090","schema_version":"1.0","event_id":"sha256:c082af03f250e286012898da65cdbaa44b10ea9ae8c346d9b7fb0969e3e3c090"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:7YPFMOWALV5MBTOVU4QK426E7I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The 2014 March 29 X-flare: sub-arcsecond resolution observations of Fe XXI 1354.1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Hui Tian, Peter Young, Sarah Jaeggli","submitted_at":"2014-09-30T15:46:00Z","abstract_excerpt":"The Interface Region Imaging Spectrometer (IRIS) is the first solar instrument to observe $\\sim 10$ MK plasma at subarcsecond spatial resolution through imaging spectroscopy of the Fe XXI $\\lambda$1354.1 forbidden line. IRIS observations of the X1 class flare that occurred on 2014 March 29 at 17:48 UT reveal Fe XXI emission from both the flare ribbons and the post-flare loop arcade. Fe XXI appears at all of the chromospheric ribbon sites, although typically with a delay of one raster (75 seconds) and sometimes offset by up to 1$^{\\prime\\prime}$. 100--200 km s$^{-1}$ blue-shifts are found at th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.8603","kind":"arxiv","version":2},"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":"2026-05-18T01:41:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ztdS/qCdjK8q2cN3FHM8yU7eyG7Q6ltR/O5G3JmpqvpwWaXPYLys9HlsmeuxYMUrBrKoDqk/POz9RIvy0deUDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T20:11:36.492141Z"},"content_sha256":"f3ac4203b5519477b193011e563a144db64a7d665787f7af4c804505792d155a","schema_version":"1.0","event_id":"sha256:f3ac4203b5519477b193011e563a144db64a7d665787f7af4c804505792d155a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YPFMOWALV5MBTOVU4QK426E7I/bundle.json","state_url":"https://pith.science/pith/7YPFMOWALV5MBTOVU4QK426E7I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YPFMOWALV5MBTOVU4QK426E7I/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":"2026-05-18T20:11:36Z","links":{"resolver":"https://pith.science/pith/7YPFMOWALV5MBTOVU4QK426E7I","bundle":"https://pith.science/pith/7YPFMOWALV5MBTOVU4QK426E7I/bundle.json","state":"https://pith.science/pith/7YPFMOWALV5MBTOVU4QK426E7I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YPFMOWALV5MBTOVU4QK426E7I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:7YPFMOWALV5MBTOVU4QK426E7I","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":"e1c52515b3d3ab874d810e60aed7d3ee601877be6a3096fd074694d61fdc56d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-30T15:46:00Z","title_canon_sha256":"7ff4cd80fd13da1f6977bc79f4049a06d48c1863dde4696cfc4c685df31bebad"},"schema_version":"1.0","source":{"id":"1409.8603","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.8603","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"arxiv_version","alias_value":"1409.8603v2","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.8603","created_at":"2026-05-18T01:41:53Z"},{"alias_kind":"pith_short_12","alias_value":"7YPFMOWALV5M","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"7YPFMOWALV5MBTOV","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"7YPFMOWA","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:f3ac4203b5519477b193011e563a144db64a7d665787f7af4c804505792d155a","target":"graph","created_at":"2026-05-18T01:41:53Z","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 Interface Region Imaging Spectrometer (IRIS) is the first solar instrument to observe $\\sim 10$ MK plasma at subarcsecond spatial resolution through imaging spectroscopy of the Fe XXI $\\lambda$1354.1 forbidden line. IRIS observations of the X1 class flare that occurred on 2014 March 29 at 17:48 UT reveal Fe XXI emission from both the flare ribbons and the post-flare loop arcade. Fe XXI appears at all of the chromospheric ribbon sites, although typically with a delay of one raster (75 seconds) and sometimes offset by up to 1$^{\\prime\\prime}$. 100--200 km s$^{-1}$ blue-shifts are found at th","authors_text":"Hui Tian, Peter Young, Sarah Jaeggli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-30T15:46:00Z","title":"The 2014 March 29 X-flare: sub-arcsecond resolution observations of Fe XXI 1354.1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.8603","kind":"arxiv","version":2},"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:c082af03f250e286012898da65cdbaa44b10ea9ae8c346d9b7fb0969e3e3c090","target":"record","created_at":"2026-05-18T01:41:53Z","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":"e1c52515b3d3ab874d810e60aed7d3ee601877be6a3096fd074694d61fdc56d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-09-30T15:46:00Z","title_canon_sha256":"7ff4cd80fd13da1f6977bc79f4049a06d48c1863dde4696cfc4c685df31bebad"},"schema_version":"1.0","source":{"id":"1409.8603","kind":"arxiv","version":2}},"canonical_sha256":"fe1e563ac05d7ac0cdd5a720ae6bc4fa3a1728c81ea70a810050e2ef795ba327","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe1e563ac05d7ac0cdd5a720ae6bc4fa3a1728c81ea70a810050e2ef795ba327","first_computed_at":"2026-05-18T01:41:53.915430Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:53.915430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YQXdWRPww7Z3WHEnDXJXUSwAKOXFGHrH1XN5d+XxNI5e27cdIdyJIuH7vSo3w3Zih2GfaQ+Lx1TCxdmiHIpcDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:53.915899Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.8603","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c082af03f250e286012898da65cdbaa44b10ea9ae8c346d9b7fb0969e3e3c090","sha256:f3ac4203b5519477b193011e563a144db64a7d665787f7af4c804505792d155a"],"state_sha256":"3a33e06bbfce27f566af1e953d61038f0c6814120180e19adbfdb056c398c10e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j4oChVdUX6P9XPhYLc15vXOj2/XPgIiLWAqNxezN9V7/6gXXpHWK9DkV8aKnybTxDEKyMt71t7JXlbv4/86lDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T20:11:36.493819Z","bundle_sha256":"75b2d6ae636fe3ec312499fb13d207a92a3fa273119da062eae12bff2c5fe85f"}}