{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VWMFT7NAFERTBTV5OFHWO5SUBZ","short_pith_number":"pith:VWMFT7NA","canonical_record":{"source":{"id":"1507.01761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-07T11:47:23Z","cross_cats_sorted":[],"title_canon_sha256":"51f92632ad86f23d85e37db3d038ac6b81d32a089a617051539e5460c4e6a67a","abstract_canon_sha256":"49e5ba1f17cabfed311c850e2b7755ded1a0ddfab4d16c7fef266f5e9b194e89"},"schema_version":"1.0"},"canonical_sha256":"ad9859fda0292330cebd714f6776540e4d8978d5da71345f1c48d02e89146113","source":{"kind":"arxiv","id":"1507.01761","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01761","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01761v1","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01761","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"pith_short_12","alias_value":"VWMFT7NAFERT","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VWMFT7NAFERTBTV5","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VWMFT7NA","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VWMFT7NAFERTBTV5OFHWO5SUBZ","target":"record","payload":{"canonical_record":{"source":{"id":"1507.01761","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-07T11:47:23Z","cross_cats_sorted":[],"title_canon_sha256":"51f92632ad86f23d85e37db3d038ac6b81d32a089a617051539e5460c4e6a67a","abstract_canon_sha256":"49e5ba1f17cabfed311c850e2b7755ded1a0ddfab4d16c7fef266f5e9b194e89"},"schema_version":"1.0"},"canonical_sha256":"ad9859fda0292330cebd714f6776540e4d8978d5da71345f1c48d02e89146113","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:07.148582Z","signature_b64":"3yVhI8yvZPfIYHHMkvl012v7ud1W63b/CCM9QQTagJNJdIG0WvVbiUFkCAks6QyYhNhITUDpRKxvhUI4DSq1Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad9859fda0292330cebd714f6776540e4d8978d5da71345f1c48d02e89146113","last_reissued_at":"2026-05-18T01:35:07.147932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:07.147932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.01761","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":"2026-05-18T01:35:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1bVds5nbRRgx400P+tuHflwj1HS9+OU07WlZeGrMfU7cuGmhX76+RBRxVJ7wA1nTu0S3vcji4DrrKg1QdfytDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:21:52.603767Z"},"content_sha256":"b9fd1f2be846364293a91bfbe877f719b65ac7c887d9b4ae766e6fdad50912bb","schema_version":"1.0","event_id":"sha256:b9fd1f2be846364293a91bfbe877f719b65ac7c887d9b4ae766e6fdad50912bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VWMFT7NAFERTBTV5OFHWO5SUBZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation and Eruption of a Small Flux Rope in the Chromosphere Observed by NST, IRIS, and SDO","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Haimin Wang, Kyung-Suk Cho, Pankaj Kumar, Vasyl Yurchyshyn","submitted_at":"2015-07-07T11:47:23Z","abstract_excerpt":"Using high-resolution images from 1.6 m New Solar Telescope (NST) at Big Bear Solar Observatory (BBSO), we report the direct evidence of chromospheric reconnection at the polarity inversion line (PIL) between two small opposite polarity sunspots. Small jet-like structures (with velocities of ~20-55 km/s) were observed at the reconnection site before the onset of the first M1.0 flare. The slow rise of untwisting jets was followed by the onset of cool plasma inflow (~10 km/s) at the reconnection site, causing the onset of a two-ribbon flare. The reconnection between two sheared J-shaped cool H$\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01761","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":"2026-05-18T01:35:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GjogfOudk4ZtJ7y4xFYXsz6i71tmN53SjYtLzwo29Za6fG3AIPMBROAtXGaxlWdpc89x7F4TCJa0tLxzvCwZDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T14:21:52.604541Z"},"content_sha256":"2693158c97bc71097e73ab8ca243fd6b02807d1a01e64dd6cdd05a9100d11e27","schema_version":"1.0","event_id":"sha256:2693158c97bc71097e73ab8ca243fd6b02807d1a01e64dd6cdd05a9100d11e27"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ/bundle.json","state_url":"https://pith.science/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ/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":"2026-05-25T14:21:52Z","links":{"resolver":"https://pith.science/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ","bundle":"https://pith.science/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ/bundle.json","state":"https://pith.science/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VWMFT7NAFERTBTV5OFHWO5SUBZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VWMFT7NAFERTBTV5OFHWO5SUBZ","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":"49e5ba1f17cabfed311c850e2b7755ded1a0ddfab4d16c7fef266f5e9b194e89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-07T11:47:23Z","title_canon_sha256":"51f92632ad86f23d85e37db3d038ac6b81d32a089a617051539e5460c4e6a67a"},"schema_version":"1.0","source":{"id":"1507.01761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.01761","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"arxiv_version","alias_value":"1507.01761v1","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01761","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"pith_short_12","alias_value":"VWMFT7NAFERT","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VWMFT7NAFERTBTV5","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VWMFT7NA","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:2693158c97bc71097e73ab8ca243fd6b02807d1a01e64dd6cdd05a9100d11e27","target":"graph","created_at":"2026-05-18T01:35:07Z","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":"Using high-resolution images from 1.6 m New Solar Telescope (NST) at Big Bear Solar Observatory (BBSO), we report the direct evidence of chromospheric reconnection at the polarity inversion line (PIL) between two small opposite polarity sunspots. Small jet-like structures (with velocities of ~20-55 km/s) were observed at the reconnection site before the onset of the first M1.0 flare. The slow rise of untwisting jets was followed by the onset of cool plasma inflow (~10 km/s) at the reconnection site, causing the onset of a two-ribbon flare. The reconnection between two sheared J-shaped cool H$\\","authors_text":"Haimin Wang, Kyung-Suk Cho, Pankaj Kumar, Vasyl Yurchyshyn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-07T11:47:23Z","title":"Formation and Eruption of a Small Flux Rope in the Chromosphere Observed by NST, IRIS, and SDO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01761","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:b9fd1f2be846364293a91bfbe877f719b65ac7c887d9b4ae766e6fdad50912bb","target":"record","created_at":"2026-05-18T01:35:07Z","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":"49e5ba1f17cabfed311c850e2b7755ded1a0ddfab4d16c7fef266f5e9b194e89","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-07-07T11:47:23Z","title_canon_sha256":"51f92632ad86f23d85e37db3d038ac6b81d32a089a617051539e5460c4e6a67a"},"schema_version":"1.0","source":{"id":"1507.01761","kind":"arxiv","version":1}},"canonical_sha256":"ad9859fda0292330cebd714f6776540e4d8978d5da71345f1c48d02e89146113","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad9859fda0292330cebd714f6776540e4d8978d5da71345f1c48d02e89146113","first_computed_at":"2026-05-18T01:35:07.147932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:07.147932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3yVhI8yvZPfIYHHMkvl012v7ud1W63b/CCM9QQTagJNJdIG0WvVbiUFkCAks6QyYhNhITUDpRKxvhUI4DSq1Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:07.148582Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.01761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9fd1f2be846364293a91bfbe877f719b65ac7c887d9b4ae766e6fdad50912bb","sha256:2693158c97bc71097e73ab8ca243fd6b02807d1a01e64dd6cdd05a9100d11e27"],"state_sha256":"803adf426de57e5a9442c4426a313cf59a3e06fb21e904df1d5663207efbcf46"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hpvba4LDPVtuiPqCBTEMJYz2UfKGoi6gcKJ6mIqdovWCEvAkXOAyta1NcJr8P/WzPo4CmsVCdlRvM+fO0uIWAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T14:21:52.607629Z","bundle_sha256":"d8ecd6b633e73daec75b684050c3fd9855c5bca4fefac41a639668f5734bd2a3"}}