{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:FTCT234KA4MDZLZKNIA6MDQQ2E","short_pith_number":"pith:FTCT234K","canonical_record":{"source":{"id":"1112.3088","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-14T01:00:14Z","cross_cats_sorted":["physics.flu-dyn","physics.plasm-ph"],"title_canon_sha256":"c82086393bd659652052a90b416e003a2d2630ffeba0f0b12141068cc21b0718","abstract_canon_sha256":"0c356496dc5bf06834a79cf261daab48c7a9b2280577277f9920f9cf78d85cf7"},"schema_version":"1.0"},"canonical_sha256":"2cc53d6f8a07183caf2a6a01e60e10d1290663076a874689fd0d5bc112a820a0","source":{"kind":"arxiv","id":"1112.3088","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.3088","created_at":"2026-05-18T01:59:10Z"},{"alias_kind":"arxiv_version","alias_value":"1112.3088v3","created_at":"2026-05-18T01:59:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.3088","created_at":"2026-05-18T01:59:10Z"},{"alias_kind":"pith_short_12","alias_value":"FTCT234KA4MD","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FTCT234KA4MDZLZK","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FTCT234K","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:FTCT234KA4MDZLZKNIA6MDQQ2E","target":"record","payload":{"canonical_record":{"source":{"id":"1112.3088","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-14T01:00:14Z","cross_cats_sorted":["physics.flu-dyn","physics.plasm-ph"],"title_canon_sha256":"c82086393bd659652052a90b416e003a2d2630ffeba0f0b12141068cc21b0718","abstract_canon_sha256":"0c356496dc5bf06834a79cf261daab48c7a9b2280577277f9920f9cf78d85cf7"},"schema_version":"1.0"},"canonical_sha256":"2cc53d6f8a07183caf2a6a01e60e10d1290663076a874689fd0d5bc112a820a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:10.464158Z","signature_b64":"sULjLDWLBPryt9d5wU5hYWaM9n2ngwLrO53bvaB1zO4rfANGjxU3JjLJSMojVf8e3thThuU1Y3payXQ+kM98Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cc53d6f8a07183caf2a6a01e60e10d1290663076a874689fd0d5bc112a820a0","last_reissued_at":"2026-05-18T01:59:10.463442Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:10.463442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.3088","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vw6eNJ8+SskKBb1LtkdM22b1tRkYCflOiOYydmP0bsstzQfj+aiR30AQEoSwlNH9yGtwT5jKRgSUWa9oGTCoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T08:58:09.058170Z"},"content_sha256":"4f0a0638f59363aa6d56e792ed338b9f6705d79745407b0bee9834a06e79738d","schema_version":"1.0","event_id":"sha256:4f0a0638f59363aa6d56e792ed338b9f6705d79745407b0bee9834a06e79738d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:FTCT234KA4MDZLZKNIA6MDQQ2E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Re-interpretation of Supra-Arcade Downflows in Solar Flares","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn","physics.plasm-ph"],"primary_cat":"astro-ph.SR","authors_text":"David E. McKenzie, Katharine K. Reeves, Sabrina L. Savage","submitted_at":"2011-12-14T01:00:14Z","abstract_excerpt":"Following the eruption of a filament from a flaring active region, sunward-flowing voids are often seen above developing post-eruption arcades. First discovered using the soft X-ray telescope aboard Yohkoh, these supra-arcade downflows (SADs) are now an expected observation of extreme ultra-violet (EUV) and soft X-ray coronal imagers and spectrographs (e.g, TRACE, SOHO/SUMER, Hinode/XRT, SDO/AIA). Observations made prior to the operation of AIA suggested that these plasma voids (which are seen in contrast to bright, high-temperature plasma associated with current sheets) are the cross-sections"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.3088","kind":"arxiv","version":3},"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":"2026-05-18T01:59:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4D4pdvK6o0GBD0OLRLOGgRhzpT0a1LJfjFUAj3Xj0Q0dpdLvWNUBRBZCwb6A3TB213ZEkkavjFQhR6GPXi7lDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T08:58:09.058623Z"},"content_sha256":"00048aecef7a3e3a20a1cf2716a331fe927fbd1c3faa2297377da76539c57705","schema_version":"1.0","event_id":"sha256:00048aecef7a3e3a20a1cf2716a331fe927fbd1c3faa2297377da76539c57705"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FTCT234KA4MDZLZKNIA6MDQQ2E/bundle.json","state_url":"https://pith.science/pith/FTCT234KA4MDZLZKNIA6MDQQ2E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FTCT234KA4MDZLZKNIA6MDQQ2E/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":"2026-08-12T08:58:09Z","links":{"resolver":"https://pith.science/pith/FTCT234KA4MDZLZKNIA6MDQQ2E","bundle":"https://pith.science/pith/FTCT234KA4MDZLZKNIA6MDQQ2E/bundle.json","state":"https://pith.science/pith/FTCT234KA4MDZLZKNIA6MDQQ2E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FTCT234KA4MDZLZKNIA6MDQQ2E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FTCT234KA4MDZLZKNIA6MDQQ2E","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":"0c356496dc5bf06834a79cf261daab48c7a9b2280577277f9920f9cf78d85cf7","cross_cats_sorted":["physics.flu-dyn","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-14T01:00:14Z","title_canon_sha256":"c82086393bd659652052a90b416e003a2d2630ffeba0f0b12141068cc21b0718"},"schema_version":"1.0","source":{"id":"1112.3088","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.3088","created_at":"2026-05-18T01:59:10Z"},{"alias_kind":"arxiv_version","alias_value":"1112.3088v3","created_at":"2026-05-18T01:59:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.3088","created_at":"2026-05-18T01:59:10Z"},{"alias_kind":"pith_short_12","alias_value":"FTCT234KA4MD","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FTCT234KA4MDZLZK","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FTCT234K","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:00048aecef7a3e3a20a1cf2716a331fe927fbd1c3faa2297377da76539c57705","target":"graph","created_at":"2026-05-18T01:59:10Z","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":"Following the eruption of a filament from a flaring active region, sunward-flowing voids are often seen above developing post-eruption arcades. First discovered using the soft X-ray telescope aboard Yohkoh, these supra-arcade downflows (SADs) are now an expected observation of extreme ultra-violet (EUV) and soft X-ray coronal imagers and spectrographs (e.g, TRACE, SOHO/SUMER, Hinode/XRT, SDO/AIA). Observations made prior to the operation of AIA suggested that these plasma voids (which are seen in contrast to bright, high-temperature plasma associated with current sheets) are the cross-sections","authors_text":"David E. McKenzie, Katharine K. Reeves, Sabrina L. Savage","cross_cats":["physics.flu-dyn","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-14T01:00:14Z","title":"Re-interpretation of Supra-Arcade Downflows in Solar Flares"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.3088","kind":"arxiv","version":3},"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":"sha256:4f0a0638f59363aa6d56e792ed338b9f6705d79745407b0bee9834a06e79738d","target":"record","created_at":"2026-05-18T01:59:10Z","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":"0c356496dc5bf06834a79cf261daab48c7a9b2280577277f9920f9cf78d85cf7","cross_cats_sorted":["physics.flu-dyn","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-14T01:00:14Z","title_canon_sha256":"c82086393bd659652052a90b416e003a2d2630ffeba0f0b12141068cc21b0718"},"schema_version":"1.0","source":{"id":"1112.3088","kind":"arxiv","version":3}},"canonical_sha256":"2cc53d6f8a07183caf2a6a01e60e10d1290663076a874689fd0d5bc112a820a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2cc53d6f8a07183caf2a6a01e60e10d1290663076a874689fd0d5bc112a820a0","first_computed_at":"2026-05-18T01:59:10.463442Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:10.463442Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sULjLDWLBPryt9d5wU5hYWaM9n2ngwLrO53bvaB1zO4rfANGjxU3JjLJSMojVf8e3thThuU1Y3payXQ+kM98Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:10.464158Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.3088","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f0a0638f59363aa6d56e792ed338b9f6705d79745407b0bee9834a06e79738d","sha256:00048aecef7a3e3a20a1cf2716a331fe927fbd1c3faa2297377da76539c57705"],"state_sha256":"3b6f38c22f1285ce12903bf33ef40de262b6e6c9600fec67cada02476147f8b3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w2dPIQQeMUi16u5N3tff0G2U5CCQJXH/8bY6e2K9tisYPj+8ergKNTtX308A/3blHBSJkJ2CIxE3pLfTTwhyBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T08:58:09.063378Z","bundle_sha256":"ad924bd34ab6fab7be6f74da424af25cdf997b8b342b40a4f85c8fcc6922bb69"}}