{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:E2JW7N2K5X6GOH5PLIT6RFCCGJ","short_pith_number":"pith:E2JW7N2K","canonical_record":{"source":{"id":"1205.3819","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-05-16T22:04:41Z","cross_cats_sorted":[],"title_canon_sha256":"1890db53fdfd027f03d9f8f1c00796bcb4c45568f79eb05a4849cb2565a1d7d5","abstract_canon_sha256":"d7116226bac03553c20d7ed816f1a66ef0283f412317e40042577e20b4602ede"},"schema_version":"1.0"},"canonical_sha256":"26936fb74aedfc671faf5a27e89442327acba27cd386326eb8fd104d5a49949a","source":{"kind":"arxiv","id":"1205.3819","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3819","created_at":"2026-05-18T01:57:31Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3819v1","created_at":"2026-05-18T01:57:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3819","created_at":"2026-05-18T01:57:31Z"},{"alias_kind":"pith_short_12","alias_value":"E2JW7N2K5X6G","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E2JW7N2K5X6GOH5P","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E2JW7N2K","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:E2JW7N2K5X6GOH5PLIT6RFCCGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1205.3819","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-05-16T22:04:41Z","cross_cats_sorted":[],"title_canon_sha256":"1890db53fdfd027f03d9f8f1c00796bcb4c45568f79eb05a4849cb2565a1d7d5","abstract_canon_sha256":"d7116226bac03553c20d7ed816f1a66ef0283f412317e40042577e20b4602ede"},"schema_version":"1.0"},"canonical_sha256":"26936fb74aedfc671faf5a27e89442327acba27cd386326eb8fd104d5a49949a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:31.076390Z","signature_b64":"bFUqzUkp9ft3c6jBiWqcZd99h0pM5zNWUISv0MsneE6DPIoGRKqrw+MWYfiZWGqD02RWL+cB5DjSqXN60Lh2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26936fb74aedfc671faf5a27e89442327acba27cd386326eb8fd104d5a49949a","last_reissued_at":"2026-05-18T01:57:31.075539Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:31.075539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.3819","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":"2026-05-18T01:57:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A+qL+RYf93xNdrMO3KjMo0yEUbK+aIz2p8GaoLCtg4nR7PnKvLDEVSgUDcqAHOUF0BNWhLeIH9uRIsJ9CL7hAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:10:51.874915Z"},"content_sha256":"7e49cff74cb01ffc659831aee592722a5854fa6fb5388faf92a2c5767f9a0265","schema_version":"1.0","event_id":"sha256:7e49cff74cb01ffc659831aee592722a5854fa6fb5388faf92a2c5767f9a0265"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:E2JW7N2K5X6GOH5PLIT6RFCCGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A solar tornado observed by AIA/SDO: Rotational flow and evolution of magnetic helicity in a prominence and cavity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Drew Leonard, Huw Morgan, Lauren Jeska, Xing Li","submitted_at":"2012-05-16T22:04:41Z","abstract_excerpt":"During 2011/09/24, as observed by the Atmospheric Imaging Assembly (AIA) instrument of the Solar Dynamic Observatory (SDO) and ground-based \\Ha\\ telescopes, a prominence and associated cavity appeared above the southwest limb. On 2011/09/25 8:00UT material flows upwards from the prominence core along a narrow loop-like structure, accompanied by a rise ($\\geq$50,000km) of the prominence core and the loop. As the loop fades by 10:00, small blobs and streaks of varying brightness rotate around the top part of the prominence and cavity, mimicking a cyclone. The most intense and coherent rotation l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3819","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":"2026-05-18T01:57:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZQ/SylcwoODyeLvo/2zeLuN3360KtjYGu71FFJYQK1dZzi8mECtz7aiXHU6Jykaf4hKUQ014T9gZdfj7E5tSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:10:51.875678Z"},"content_sha256":"14abd8fa43d437cf81df540c5a299db6c1c731de787aec33a245c187e3e81d04","schema_version":"1.0","event_id":"sha256:14abd8fa43d437cf81df540c5a299db6c1c731de787aec33a245c187e3e81d04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ/bundle.json","state_url":"https://pith.science/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ/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":"2026-05-26T09:10:51Z","links":{"resolver":"https://pith.science/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ","bundle":"https://pith.science/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ/bundle.json","state":"https://pith.science/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E2JW7N2K5X6GOH5PLIT6RFCCGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:E2JW7N2K5X6GOH5PLIT6RFCCGJ","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":"d7116226bac03553c20d7ed816f1a66ef0283f412317e40042577e20b4602ede","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-05-16T22:04:41Z","title_canon_sha256":"1890db53fdfd027f03d9f8f1c00796bcb4c45568f79eb05a4849cb2565a1d7d5"},"schema_version":"1.0","source":{"id":"1205.3819","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3819","created_at":"2026-05-18T01:57:31Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3819v1","created_at":"2026-05-18T01:57:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3819","created_at":"2026-05-18T01:57:31Z"},{"alias_kind":"pith_short_12","alias_value":"E2JW7N2K5X6G","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E2JW7N2K5X6GOH5P","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E2JW7N2K","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:14abd8fa43d437cf81df540c5a299db6c1c731de787aec33a245c187e3e81d04","target":"graph","created_at":"2026-05-18T01:57:31Z","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":"During 2011/09/24, as observed by the Atmospheric Imaging Assembly (AIA) instrument of the Solar Dynamic Observatory (SDO) and ground-based \\Ha\\ telescopes, a prominence and associated cavity appeared above the southwest limb. On 2011/09/25 8:00UT material flows upwards from the prominence core along a narrow loop-like structure, accompanied by a rise ($\\geq$50,000km) of the prominence core and the loop. As the loop fades by 10:00, small blobs and streaks of varying brightness rotate around the top part of the prominence and cavity, mimicking a cyclone. The most intense and coherent rotation l","authors_text":"Drew Leonard, Huw Morgan, Lauren Jeska, Xing Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-05-16T22:04:41Z","title":"A solar tornado observed by AIA/SDO: Rotational flow and evolution of magnetic helicity in a prominence and cavity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3819","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":"sha256:7e49cff74cb01ffc659831aee592722a5854fa6fb5388faf92a2c5767f9a0265","target":"record","created_at":"2026-05-18T01:57:31Z","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":"d7116226bac03553c20d7ed816f1a66ef0283f412317e40042577e20b4602ede","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-05-16T22:04:41Z","title_canon_sha256":"1890db53fdfd027f03d9f8f1c00796bcb4c45568f79eb05a4849cb2565a1d7d5"},"schema_version":"1.0","source":{"id":"1205.3819","kind":"arxiv","version":1}},"canonical_sha256":"26936fb74aedfc671faf5a27e89442327acba27cd386326eb8fd104d5a49949a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26936fb74aedfc671faf5a27e89442327acba27cd386326eb8fd104d5a49949a","first_computed_at":"2026-05-18T01:57:31.075539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:31.075539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bFUqzUkp9ft3c6jBiWqcZd99h0pM5zNWUISv0MsneE6DPIoGRKqrw+MWYfiZWGqD02RWL+cB5DjSqXN60Lh2DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:31.076390Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3819","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e49cff74cb01ffc659831aee592722a5854fa6fb5388faf92a2c5767f9a0265","sha256:14abd8fa43d437cf81df540c5a299db6c1c731de787aec33a245c187e3e81d04"],"state_sha256":"557ab0d74b235805e439668ce240c7322ed5caea9bd60dc5684189211f4f7aff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"94PpLCP/ZsTREJeOnpmdfHKrntoUhcBVF6z38MYz8yEz9/72PiedRmI3mhd/hgyuJvvxEEAu53GgAsVsQ3G5DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:10:51.879851Z","bundle_sha256":"4dff499a0933be894379ab2ad4aa3322b20b50d86f05cd0a9e1a834d5f5fea4f"}}