{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TQLFRJWYZI4JKICC2T5R2OOA3Y","short_pith_number":"pith:TQLFRJWY","canonical_record":{"source":{"id":"1903.12142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-28T17:29:25Z","cross_cats_sorted":[],"title_canon_sha256":"26b47c1c23e2a84d963d71d0eb71bc9099cb1992772876729adf5cf5059ca5a2","abstract_canon_sha256":"2784a6205dd8ebbbccfae2e330133e0bab314ac3adf277a5e9c191fe3e8b1f3f"},"schema_version":"1.0"},"canonical_sha256":"9c1658a6d8ca38952042d4fb1d39c0de2377168340271451a121f28f5fbbdab9","source":{"kind":"arxiv","id":"1903.12142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12142","created_at":"2026-05-17T23:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12142v1","created_at":"2026-05-17T23:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12142","created_at":"2026-05-17T23:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"TQLFRJWYZI4J","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"TQLFRJWYZI4JKICC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"TQLFRJWY","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TQLFRJWYZI4JKICC2T5R2OOA3Y","target":"record","payload":{"canonical_record":{"source":{"id":"1903.12142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-28T17:29:25Z","cross_cats_sorted":[],"title_canon_sha256":"26b47c1c23e2a84d963d71d0eb71bc9099cb1992772876729adf5cf5059ca5a2","abstract_canon_sha256":"2784a6205dd8ebbbccfae2e330133e0bab314ac3adf277a5e9c191fe3e8b1f3f"},"schema_version":"1.0"},"canonical_sha256":"9c1658a6d8ca38952042d4fb1d39c0de2377168340271451a121f28f5fbbdab9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:59.809812Z","signature_b64":"4tBo0xdzqxfrFb5XsFxRU4TAkh2dzXNw8YO72QK3dWF9iAQu6GcXRigUfB5sClIIjw+xkR/U7W86FR8Jct7MBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c1658a6d8ca38952042d4fb1d39c0de2377168340271451a121f28f5fbbdab9","last_reissued_at":"2026-05-17T23:48:59.809377Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:59.809377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.12142","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":"2026-05-17T23:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nalCdpgmnWm7zF7lwg5OVFFPuyLmsolfIYfoIKDQgcPMTVKDKrToo7bd0Z9I8NBqP76U4o80ep5Jgua4HyQ1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:00:35.968723Z"},"content_sha256":"50a3d43ec89d95311926c44a7d2b72bcbb9cb04049279b5fa9bafb4901545ab6","schema_version":"1.0","event_id":"sha256:50a3d43ec89d95311926c44a7d2b72bcbb9cb04049279b5fa9bafb4901545ab6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TQLFRJWYZI4JKICC2T5R2OOA3Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Sporadic Activity of (6478) Gault: A YORP-driven event?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alan Fitzsimmons, Aren Heinze, Bhuwan C. Bhatt, Detlef Koschny, Devendra K. Sahu, Harald Ebeling, Heather Flewelling, Henry H. Hsieh, Jacqueline V. Keane, Jan T. Kleyna, John Tonry, Karen J. Meech, Ken W. Smith, Larry Denneau, Marco Micheli, Olivier R. Hainaut, Richard J. Wainscoat, Robert Weryk","submitted_at":"2019-03-28T17:29:25Z","abstract_excerpt":"On 2019 January 5 a streamer associated with the 4--10 km main-belt asteroid (6478)~Gault was detected by the ATLAS sky survey, a rare discovery of activity around a main-belt asteroid. Archival data from ATLAS and Pan-STARRS1 show the trail in early December 2018, but not between 2010 and January 2018. The feature has significantly changed over one month, perfectly matching predictions of pure dust dynamical evolution and changes in observing geometry for a short release of dust around 2018 October 28. Follow-up observations with HST show a second narrow trail corresponding to a brief release"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12142","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":"2026-05-17T23:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RyxHdrbsvSi9NwsczbVv26FhMOHqLk/jgFJaLfwKWwx3IDDqOhF+ACm5L299ugOvUV+IP4/GH7IInkb6BaOCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:00:35.969080Z"},"content_sha256":"75a5e30c4b2385829500dffaca2764046c735b227b574b82f05d80ef42e68f6b","schema_version":"1.0","event_id":"sha256:75a5e30c4b2385829500dffaca2764046c735b227b574b82f05d80ef42e68f6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y/bundle.json","state_url":"https://pith.science/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y/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":"2026-06-05T15:00:35Z","links":{"resolver":"https://pith.science/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y","bundle":"https://pith.science/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y/bundle.json","state":"https://pith.science/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TQLFRJWYZI4JKICC2T5R2OOA3Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TQLFRJWYZI4JKICC2T5R2OOA3Y","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":"2784a6205dd8ebbbccfae2e330133e0bab314ac3adf277a5e9c191fe3e8b1f3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-28T17:29:25Z","title_canon_sha256":"26b47c1c23e2a84d963d71d0eb71bc9099cb1992772876729adf5cf5059ca5a2"},"schema_version":"1.0","source":{"id":"1903.12142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.12142","created_at":"2026-05-17T23:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1903.12142v1","created_at":"2026-05-17T23:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.12142","created_at":"2026-05-17T23:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"TQLFRJWYZI4J","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"TQLFRJWYZI4JKICC","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"TQLFRJWY","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:75a5e30c4b2385829500dffaca2764046c735b227b574b82f05d80ef42e68f6b","target":"graph","created_at":"2026-05-17T23:48:59Z","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 2019 January 5 a streamer associated with the 4--10 km main-belt asteroid (6478)~Gault was detected by the ATLAS sky survey, a rare discovery of activity around a main-belt asteroid. Archival data from ATLAS and Pan-STARRS1 show the trail in early December 2018, but not between 2010 and January 2018. The feature has significantly changed over one month, perfectly matching predictions of pure dust dynamical evolution and changes in observing geometry for a short release of dust around 2018 October 28. Follow-up observations with HST show a second narrow trail corresponding to a brief release","authors_text":"Alan Fitzsimmons, Aren Heinze, Bhuwan C. Bhatt, Detlef Koschny, Devendra K. Sahu, Harald Ebeling, Heather Flewelling, Henry H. Hsieh, Jacqueline V. Keane, Jan T. Kleyna, John Tonry, Karen J. Meech, Ken W. Smith, Larry Denneau, Marco Micheli, Olivier R. Hainaut, Richard J. Wainscoat, Robert Weryk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-28T17:29:25Z","title":"The Sporadic Activity of (6478) Gault: A YORP-driven event?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.12142","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":"sha256:50a3d43ec89d95311926c44a7d2b72bcbb9cb04049279b5fa9bafb4901545ab6","target":"record","created_at":"2026-05-17T23:48:59Z","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":"2784a6205dd8ebbbccfae2e330133e0bab314ac3adf277a5e9c191fe3e8b1f3f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-03-28T17:29:25Z","title_canon_sha256":"26b47c1c23e2a84d963d71d0eb71bc9099cb1992772876729adf5cf5059ca5a2"},"schema_version":"1.0","source":{"id":"1903.12142","kind":"arxiv","version":1}},"canonical_sha256":"9c1658a6d8ca38952042d4fb1d39c0de2377168340271451a121f28f5fbbdab9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c1658a6d8ca38952042d4fb1d39c0de2377168340271451a121f28f5fbbdab9","first_computed_at":"2026-05-17T23:48:59.809377Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:59.809377Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4tBo0xdzqxfrFb5XsFxRU4TAkh2dzXNw8YO72QK3dWF9iAQu6GcXRigUfB5sClIIjw+xkR/U7W86FR8Jct7MBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:59.809812Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.12142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50a3d43ec89d95311926c44a7d2b72bcbb9cb04049279b5fa9bafb4901545ab6","sha256:75a5e30c4b2385829500dffaca2764046c735b227b574b82f05d80ef42e68f6b"],"state_sha256":"28ee21ef73cc483242cb7a02eaa98054878aa3a2e7f2591e01b71758c4a63f4a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4jeN6JJhyHQCQd6f5nquEzC1n0qokXfj16+iDQ5IhEIVon2oSEZ4qOfCRMn/fuyjo7dzrspBQiG4ufRuD6NdDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:00:35.971150Z","bundle_sha256":"2e58602b27b52edb64ae52c5ad502dd4e36f8d0a97cb9795ddf240e07881fc4e"}}