{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:CWVNMBW2XFA6MU4G2EGYEOGF2S","short_pith_number":"pith:CWVNMBW2","canonical_record":{"source":{"id":"2302.07274","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-02-14T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"63c2b7ba4dfe4fcaf14750828d7f469e928da3acfc88a41bdacf95402525ff24","abstract_canon_sha256":"bb171c7d173b3c555b33cc8681612bcc71b03413a7682b3bd91e5dec49ceeebb"},"schema_version":"1.0"},"canonical_sha256":"15aad606dab941e65386d10d8238c5d4aeb9cb0054365e7863af813d75d423a2","source":{"kind":"arxiv","id":"2302.07274","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.07274","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"2302.07274v1","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.07274","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"CWVNMBW2XFA6","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"pith_short_16","alias_value":"CWVNMBW2XFA6MU4G","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"pith_short_8","alias_value":"CWVNMBW2","created_at":"2026-07-05T05:41:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:CWVNMBW2XFA6MU4G2EGYEOGF2S","target":"record","payload":{"canonical_record":{"source":{"id":"2302.07274","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-02-14T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"63c2b7ba4dfe4fcaf14750828d7f469e928da3acfc88a41bdacf95402525ff24","abstract_canon_sha256":"bb171c7d173b3c555b33cc8681612bcc71b03413a7682b3bd91e5dec49ceeebb"},"schema_version":"1.0"},"canonical_sha256":"15aad606dab941e65386d10d8238c5d4aeb9cb0054365e7863af813d75d423a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:41:52.630445Z","signature_b64":"HdRG6N1kdO/ys6nQdnghRrKRUMBhmk3NhMoFa824gkbpRjlZkCArDcHYKQKWco8X5FYwjdbEQQzbbttPPBPSBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15aad606dab941e65386d10d8238c5d4aeb9cb0054365e7863af813d75d423a2","last_reissued_at":"2026-07-05T05:41:52.629936Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:41:52.629936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.07274","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":"2026-07-05T05:41:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m4+JLOqb1f/caGRiqImlrUxaSEBX/MivHMzg9eB71qregBfOpLYB/TCRDwlPK9dIIzCs38psYcDQnqEt2MIGCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:11:57.041985Z"},"content_sha256":"3cc5cfaec0395054ac1255adaed59d6d18ae7171c61fa7f1138df64e1c7d31d8","schema_version":"1.0","event_id":"sha256:3cc5cfaec0395054ac1255adaed59d6d18ae7171c61fa7f1138df64e1c7d31d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:CWVNMBW2XFA6MU4G2EGYEOGF2S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of Dust Emission Activity Emanating from Main-belt Asteroid 2015 FW412","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Chadwick A. Trujillo, Colin Orion Chandler, Henry H. Hsieh, Jay K. Kueny, Michele T. Mazzucato, Milton K. D. Bosch, Tiffany Shaw-Diaz, William A. Burris, William J. Oldroyd","submitted_at":"2023-02-14T19:00:00Z","abstract_excerpt":"We present the discovery of activity emanating from main-belt asteroid 2015 FW412, a finding stemming from the Citizen Science project Active Asteroids, a NASA Partner program. We identified a pronounced tail originating from 2015 FW412 and oriented in the anti-motion direction in archival Blanco 4-m (Cerro Tololo Inter-American Observatory, Chile) Dark Energy Camera (DECam) images from UT 2015 April 13, 18, 19, 21 and 22. Activity occurred near perihelion, consistent with the main-belt comets (MBCs), an active asteroid subset known for sublimation-driven activity in the main asteroid belt; th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.07274","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.07274/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:41:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vszbKGMRsRnyx0y3jqDLK2qcdnCZ5auNMdeFSzeXfOgZVsKn6hN2oYo1PhjJ9Sv4A+cMEps0dlFuyxLmZJ7cDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T13:11:57.042578Z"},"content_sha256":"5a70a572f586444edcb9bf8874cbb6afb4193108fd93ae70f756f09a5b1492c1","schema_version":"1.0","event_id":"sha256:5a70a572f586444edcb9bf8874cbb6afb4193108fd93ae70f756f09a5b1492c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S/bundle.json","state_url":"https://pith.science/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S/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":"2026-08-04T13:11:57Z","links":{"resolver":"https://pith.science/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S","bundle":"https://pith.science/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S/bundle.json","state":"https://pith.science/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CWVNMBW2XFA6MU4G2EGYEOGF2S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CWVNMBW2XFA6MU4G2EGYEOGF2S","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":"bb171c7d173b3c555b33cc8681612bcc71b03413a7682b3bd91e5dec49ceeebb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-02-14T19:00:00Z","title_canon_sha256":"63c2b7ba4dfe4fcaf14750828d7f469e928da3acfc88a41bdacf95402525ff24"},"schema_version":"1.0","source":{"id":"2302.07274","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.07274","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"arxiv_version","alias_value":"2302.07274v1","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.07274","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"pith_short_12","alias_value":"CWVNMBW2XFA6","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"pith_short_16","alias_value":"CWVNMBW2XFA6MU4G","created_at":"2026-07-05T05:41:52Z"},{"alias_kind":"pith_short_8","alias_value":"CWVNMBW2","created_at":"2026-07-05T05:41:52Z"}],"graph_snapshots":[{"event_id":"sha256:5a70a572f586444edcb9bf8874cbb6afb4193108fd93ae70f756f09a5b1492c1","target":"graph","created_at":"2026-07-05T05:41:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2302.07274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the discovery of activity emanating from main-belt asteroid 2015 FW412, a finding stemming from the Citizen Science project Active Asteroids, a NASA Partner program. We identified a pronounced tail originating from 2015 FW412 and oriented in the anti-motion direction in archival Blanco 4-m (Cerro Tololo Inter-American Observatory, Chile) Dark Energy Camera (DECam) images from UT 2015 April 13, 18, 19, 21 and 22. Activity occurred near perihelion, consistent with the main-belt comets (MBCs), an active asteroid subset known for sublimation-driven activity in the main asteroid belt; th","authors_text":"Chadwick A. Trujillo, Colin Orion Chandler, Henry H. Hsieh, Jay K. Kueny, Michele T. Mazzucato, Milton K. D. Bosch, Tiffany Shaw-Diaz, William A. Burris, William J. Oldroyd","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-02-14T19:00:00Z","title":"Discovery of Dust Emission Activity Emanating from Main-belt Asteroid 2015 FW412"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.07274","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":"sha256:3cc5cfaec0395054ac1255adaed59d6d18ae7171c61fa7f1138df64e1c7d31d8","target":"record","created_at":"2026-07-05T05:41:52Z","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":"bb171c7d173b3c555b33cc8681612bcc71b03413a7682b3bd91e5dec49ceeebb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-02-14T19:00:00Z","title_canon_sha256":"63c2b7ba4dfe4fcaf14750828d7f469e928da3acfc88a41bdacf95402525ff24"},"schema_version":"1.0","source":{"id":"2302.07274","kind":"arxiv","version":1}},"canonical_sha256":"15aad606dab941e65386d10d8238c5d4aeb9cb0054365e7863af813d75d423a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15aad606dab941e65386d10d8238c5d4aeb9cb0054365e7863af813d75d423a2","first_computed_at":"2026-07-05T05:41:52.629936Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:41:52.629936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HdRG6N1kdO/ys6nQdnghRrKRUMBhmk3NhMoFa824gkbpRjlZkCArDcHYKQKWco8X5FYwjdbEQQzbbttPPBPSBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:41:52.630445Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.07274","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3cc5cfaec0395054ac1255adaed59d6d18ae7171c61fa7f1138df64e1c7d31d8","sha256:5a70a572f586444edcb9bf8874cbb6afb4193108fd93ae70f756f09a5b1492c1"],"state_sha256":"fc49e908e41e0787c4fe1d0f206577d75144024358ed4a95e03498f0f76c974a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0qrmoWvNSAA+48MOyTwKNCJx5WrVsCUVG/ubJ9vAnpJGyHgRu3l7CJ5Awk+3q1XsNgnrVvQeaQAXc43NP76ICg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T13:11:57.046511Z","bundle_sha256":"ad40e7367f9805f60b4c66033f40d48b9f420826ca49d6a9a0b6b41de5093603"}}