{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:B6C45GGDASZZCVX22OQBBHWP7K","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":"530e7ab1356cf86261dc9a87d6b91a2bfd7d63454c7a121d7059cd56007991b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-30T17:27:01Z","title_canon_sha256":"66828b409de071df573be1c045f1956056270c0f4a5228da603b0bfbfecb020b"},"schema_version":"1.0","source":{"id":"1701.08717","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.08717","created_at":"2026-05-18T00:51:52Z"},{"alias_kind":"arxiv_version","alias_value":"1701.08717v1","created_at":"2026-05-18T00:51:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.08717","created_at":"2026-05-18T00:51:52Z"},{"alias_kind":"pith_short_12","alias_value":"B6C45GGDASZZ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B6C45GGDASZZCVX2","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B6C45GGD","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:6cf7270980977265735734b73bf2ba5caa8311478d2af8583e2f5be43cb01e0b","target":"graph","created_at":"2026-05-18T00:51:52Z","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":"On September 12, 2016, at 21:44:07 UT, a -9.2 +\\- 0.5 mag fireball appeared over northeastern Poland. The precise orbit and atmospheric trajectory of the event is presented, based on the data collected by six video stations of Polish Fireball Network (PFN). The PF120916 Piecki fireball entered Earth's atmosphere with the velocity of 16.7 +\\- 0.3 km/s and started to shine at height of 81.9 +\\- 0.3 km. Clear deceleration started after first three seconds of flight, and the terminal velocity of the meteor was only 5.0 +\\- 0.3 km/s at height of 26.0 +\\- 0.2 km. Such a low value of terminal velocit","authors_text":"A. Olech, A. Raj, K. Polak, M. B\\k{e}ben, M. Stolarz, M. Wi\\'sniewski, P. Zar\\k{e}ba, P. \\.Zo{\\l}\\k{a}dek, T. Lewandowski, Z. Tymi\\'nski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-30T17:27:01Z","title":"PF120916 Piecki fireball and Reszel meteorite fall"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.08717","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:a39a75d69f371b7325b22f09fb77b17895c85d421ffc96afa12ef89bfa223474","target":"record","created_at":"2026-05-18T00:51:52Z","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":"530e7ab1356cf86261dc9a87d6b91a2bfd7d63454c7a121d7059cd56007991b7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-30T17:27:01Z","title_canon_sha256":"66828b409de071df573be1c045f1956056270c0f4a5228da603b0bfbfecb020b"},"schema_version":"1.0","source":{"id":"1701.08717","kind":"arxiv","version":1}},"canonical_sha256":"0f85ce98c304b39156fad3a0109ecffaa2a2e0035750b4f8758b405ad02b85fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f85ce98c304b39156fad3a0109ecffaa2a2e0035750b4f8758b405ad02b85fb","first_computed_at":"2026-05-18T00:51:52.880349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:52.880349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZSOuwfBdtqeIcuIjGYdnRtS9uHmtFIx7p8h8k5WKhfMUXl0Kjdc13i5xuCSobQP0qeTRgHRI5290MpY/DpE4Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:52.881047Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.08717","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a39a75d69f371b7325b22f09fb77b17895c85d421ffc96afa12ef89bfa223474","sha256:6cf7270980977265735734b73bf2ba5caa8311478d2af8583e2f5be43cb01e0b"],"state_sha256":"157276c4424cec3e775e4394f84b2d7fb2fd4612f3abf6058d684e2ebd5c96d0"}