{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:YB7PGT54JK3CFBQZKVS6HEKVKP","short_pith_number":"pith:YB7PGT54","canonical_record":{"source":{"id":"1108.3095","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-15T20:55:29Z","cross_cats_sorted":[],"title_canon_sha256":"2a9866e4559404130e375ef456824901b46131b2c9d00b2c7609eeb3e205d483","abstract_canon_sha256":"618bbe9634ecdda08ed70e5e81a4b90206fe215967fa157ddba239873a730606"},"schema_version":"1.0"},"canonical_sha256":"c07ef34fbc4ab62286195565e3915553cfb929d294582dc3bf7280c806ccfcb2","source":{"kind":"arxiv","id":"1108.3095","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3095","created_at":"2026-05-18T04:15:27Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3095v1","created_at":"2026-05-18T04:15:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3095","created_at":"2026-05-18T04:15:27Z"},{"alias_kind":"pith_short_12","alias_value":"YB7PGT54JK3C","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YB7PGT54JK3CFBQZ","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YB7PGT54","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:YB7PGT54JK3CFBQZKVS6HEKVKP","target":"record","payload":{"canonical_record":{"source":{"id":"1108.3095","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-15T20:55:29Z","cross_cats_sorted":[],"title_canon_sha256":"2a9866e4559404130e375ef456824901b46131b2c9d00b2c7609eeb3e205d483","abstract_canon_sha256":"618bbe9634ecdda08ed70e5e81a4b90206fe215967fa157ddba239873a730606"},"schema_version":"1.0"},"canonical_sha256":"c07ef34fbc4ab62286195565e3915553cfb929d294582dc3bf7280c806ccfcb2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:27.961036Z","signature_b64":"lguZrmyt1Ea6qlVORU5VNQCeH8VGOMRvJ3MwHSEAmWnSr+cmWOEpP8ArPA4ohZcuXdSc5pdCBJcVz59AR3e3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c07ef34fbc4ab62286195565e3915553cfb929d294582dc3bf7280c806ccfcb2","last_reissued_at":"2026-05-18T04:15:27.960661Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:27.960661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.3095","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":"2026-05-18T04:15:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6emK73IzLpAswq0wiBNDewQXy3jlmQwEDWcuPYYQZHDB6+IZCEc4PujnNTgORLnoI9PNOmEyk+fM5IlIso8KCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:39:13.293643Z"},"content_sha256":"2b2c2a86ac79d2bebb950f3eef3a38be6aaf8188564010c6823ab8b7ed936dc0","schema_version":"1.0","event_id":"sha256:2b2c2a86ac79d2bebb950f3eef3a38be6aaf8188564010c6823ab8b7ed936dc0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:YB7PGT54JK3CFBQZKVS6HEKVKP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Limits on the Size and Orbit Distribution of Main Belt Comets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"J. Kleyna, J. Masiero, R. Jedicke, S. Sonnett","submitted_at":"2011-08-15T20:55:29Z","abstract_excerpt":"The seven known main belt comets (MBCs) have orbital characteristics of main belt asteroids yet exhibit dust ejection like comets. In order to constrain their physical and orbital properties we searched the Thousand Asteroid Light Curve Survey (TALCS; Masiero et al. 2009) for additional candidates using two diagnostics: tail and coma detection. This was the most sensitive MBC survey effort to date, extending the search from MBCs with H~18 (D~1 km) to H~21 (D~150 m).\n  We fit each of the 924 TALCS objects to a PSF model incorporating both a coma and nuclear component to measure the fractional c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3095","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":"2026-05-18T04:15:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DaT+BmMVAqpOQ1IJbhXf8iJMSWFSS25PyjcEUIqUtnGPY/OT4xZ0Gs19Onr+xSo0wPR5z+3GNOxQP+8aA/DnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:39:13.294284Z"},"content_sha256":"986748c97015a9980443b532f63e18f39899b1f606a28a24a6c731ce70c5c88c","schema_version":"1.0","event_id":"sha256:986748c97015a9980443b532f63e18f39899b1f606a28a24a6c731ce70c5c88c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YB7PGT54JK3CFBQZKVS6HEKVKP/bundle.json","state_url":"https://pith.science/pith/YB7PGT54JK3CFBQZKVS6HEKVKP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YB7PGT54JK3CFBQZKVS6HEKVKP/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":"2026-06-08T17:39:13Z","links":{"resolver":"https://pith.science/pith/YB7PGT54JK3CFBQZKVS6HEKVKP","bundle":"https://pith.science/pith/YB7PGT54JK3CFBQZKVS6HEKVKP/bundle.json","state":"https://pith.science/pith/YB7PGT54JK3CFBQZKVS6HEKVKP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YB7PGT54JK3CFBQZKVS6HEKVKP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:YB7PGT54JK3CFBQZKVS6HEKVKP","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":"618bbe9634ecdda08ed70e5e81a4b90206fe215967fa157ddba239873a730606","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-15T20:55:29Z","title_canon_sha256":"2a9866e4559404130e375ef456824901b46131b2c9d00b2c7609eeb3e205d483"},"schema_version":"1.0","source":{"id":"1108.3095","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.3095","created_at":"2026-05-18T04:15:27Z"},{"alias_kind":"arxiv_version","alias_value":"1108.3095v1","created_at":"2026-05-18T04:15:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.3095","created_at":"2026-05-18T04:15:27Z"},{"alias_kind":"pith_short_12","alias_value":"YB7PGT54JK3C","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YB7PGT54JK3CFBQZ","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YB7PGT54","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:986748c97015a9980443b532f63e18f39899b1f606a28a24a6c731ce70c5c88c","target":"graph","created_at":"2026-05-18T04:15:27Z","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":"The seven known main belt comets (MBCs) have orbital characteristics of main belt asteroids yet exhibit dust ejection like comets. In order to constrain their physical and orbital properties we searched the Thousand Asteroid Light Curve Survey (TALCS; Masiero et al. 2009) for additional candidates using two diagnostics: tail and coma detection. This was the most sensitive MBC survey effort to date, extending the search from MBCs with H~18 (D~1 km) to H~21 (D~150 m).\n  We fit each of the 924 TALCS objects to a PSF model incorporating both a coma and nuclear component to measure the fractional c","authors_text":"J. Kleyna, J. Masiero, R. Jedicke, S. Sonnett","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-15T20:55:29Z","title":"Limits on the Size and Orbit Distribution of Main Belt Comets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.3095","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":"sha256:2b2c2a86ac79d2bebb950f3eef3a38be6aaf8188564010c6823ab8b7ed936dc0","target":"record","created_at":"2026-05-18T04:15:27Z","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":"618bbe9634ecdda08ed70e5e81a4b90206fe215967fa157ddba239873a730606","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-08-15T20:55:29Z","title_canon_sha256":"2a9866e4559404130e375ef456824901b46131b2c9d00b2c7609eeb3e205d483"},"schema_version":"1.0","source":{"id":"1108.3095","kind":"arxiv","version":1}},"canonical_sha256":"c07ef34fbc4ab62286195565e3915553cfb929d294582dc3bf7280c806ccfcb2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c07ef34fbc4ab62286195565e3915553cfb929d294582dc3bf7280c806ccfcb2","first_computed_at":"2026-05-18T04:15:27.960661Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:27.960661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lguZrmyt1Ea6qlVORU5VNQCeH8VGOMRvJ3MwHSEAmWnSr+cmWOEpP8ArPA4ohZcuXdSc5pdCBJcVz59AR3e3BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:27.961036Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.3095","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b2c2a86ac79d2bebb950f3eef3a38be6aaf8188564010c6823ab8b7ed936dc0","sha256:986748c97015a9980443b532f63e18f39899b1f606a28a24a6c731ce70c5c88c"],"state_sha256":"624885bab356331e3fbc46ab75faff3678d1cf03ab892850c9dc5800cef5384b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cWjHUvB343+KtSC1erXaIR1lLDY+jmqvjOn2rM/kboc5LzbVx5EErVL2JFK6+uKFRKj4oaV7tugtHPeftX91CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:39:13.298569Z","bundle_sha256":"98484e2e8406ba170304fe8f6580d2496e27c9a0b04863d2a778ef2bb0155ffd"}}