{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:E7YIZOOUSCHO7KNXIMLPLZZDWS","short_pith_number":"pith:E7YIZOOU","canonical_record":{"source":{"id":"1205.4949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-05-22T15:36:35Z","cross_cats_sorted":[],"title_canon_sha256":"01ce78c75bb6d71d20c4398ef22c41cda3f4f1cd85ff001c5ce8b801f378d782","abstract_canon_sha256":"563779a47df4024b12a7417781552d7f988387befb2cbf6415a05ce8cc2dbda9"},"schema_version":"1.0"},"canonical_sha256":"27f08cb9d4908eefa9b74316f5e723b49c9aee0a7ac5d56d6d6142afb0c1da92","source":{"kind":"arxiv","id":"1205.4949","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4949","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4949v1","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4949","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"E7YIZOOUSCHO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E7YIZOOUSCHO7KNX","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E7YIZOOU","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:E7YIZOOUSCHO7KNXIMLPLZZDWS","target":"record","payload":{"canonical_record":{"source":{"id":"1205.4949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-05-22T15:36:35Z","cross_cats_sorted":[],"title_canon_sha256":"01ce78c75bb6d71d20c4398ef22c41cda3f4f1cd85ff001c5ce8b801f378d782","abstract_canon_sha256":"563779a47df4024b12a7417781552d7f988387befb2cbf6415a05ce8cc2dbda9"},"schema_version":"1.0"},"canonical_sha256":"27f08cb9d4908eefa9b74316f5e723b49c9aee0a7ac5d56d6d6142afb0c1da92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:01.636773Z","signature_b64":"A7dJPXBgHIDK35a29t5+6UZqpIS6K6s3x6stj7Heoqy0mpILaYnCj/qyj5Vw81Arxw3jjZ4sShrVqJjg+w9vAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27f08cb9d4908eefa9b74316f5e723b49c9aee0a7ac5d56d6d6142afb0c1da92","last_reissued_at":"2026-05-18T03:51:01.636052Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:01.636052Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.4949","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":"2026-05-18T03:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rVI1RFzQpEHj+Q4Q/CMsGF5vYfYcaj6nbPlfmI8qgJmC7AGCYFgH6KzCr7+9xw3Q2fW0rKzy8vReEMXTpLLSCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:24:57.812691Z"},"content_sha256":"167c3219239d6202291cc324d9fc9aa6862793101a566a74d27a53e39bc5fc23","schema_version":"1.0","event_id":"sha256:167c3219239d6202291cc324d9fc9aa6862793101a566a74d27a53e39bc5fc23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:E7YIZOOUSCHO7KNXIMLPLZZDWS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"P/2006 VW139: A Main-Belt Comet Born in an Asteroid Collision?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alberto Cellino, Bojan Novakovic, Henry H. Hsieh","submitted_at":"2012-05-22T15:36:35Z","abstract_excerpt":"In this paper we apply different methods to examine the possibility that a small group of 24 asteroids dynamically linked to main-belt comet P/2006 VW139, recently discovered by the Pan-STARRS1 survey telescope, shares a common physical origin. By applying the Hierarchical Clustering and Backward Integration methods, we find strong evidence that 11 of these asteroids form a sub-group which likely originated in a recent collision event, and that this group includes P/2006 VW139. The objects not found to be part of the 11-member sub-group, which we designate as the P/2006 VW139 family, were eith"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4949","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":"2026-05-18T03:51:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tA8uMoq5RwCupFgsKqRKfcayM50dYGpOaZ8c+KwA3b6yl+ir/LiRJyQ9BWzFP+nw2vPYp8BpOnXWBKWFwy1nDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T15:24:57.813032Z"},"content_sha256":"e5916c6822307f2e9a271f47b67c09dd35ef8ca64e1dfe5c07e2414466e210c7","schema_version":"1.0","event_id":"sha256:e5916c6822307f2e9a271f47b67c09dd35ef8ca64e1dfe5c07e2414466e210c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS/bundle.json","state_url":"https://pith.science/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS/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":"2026-06-01T15:24:57Z","links":{"resolver":"https://pith.science/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS","bundle":"https://pith.science/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS/bundle.json","state":"https://pith.science/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E7YIZOOUSCHO7KNXIMLPLZZDWS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:E7YIZOOUSCHO7KNXIMLPLZZDWS","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":"563779a47df4024b12a7417781552d7f988387befb2cbf6415a05ce8cc2dbda9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-05-22T15:36:35Z","title_canon_sha256":"01ce78c75bb6d71d20c4398ef22c41cda3f4f1cd85ff001c5ce8b801f378d782"},"schema_version":"1.0","source":{"id":"1205.4949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.4949","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"arxiv_version","alias_value":"1205.4949v1","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.4949","created_at":"2026-05-18T03:51:01Z"},{"alias_kind":"pith_short_12","alias_value":"E7YIZOOUSCHO","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"E7YIZOOUSCHO7KNX","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"E7YIZOOU","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:e5916c6822307f2e9a271f47b67c09dd35ef8ca64e1dfe5c07e2414466e210c7","target":"graph","created_at":"2026-05-18T03:51:01Z","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":"In this paper we apply different methods to examine the possibility that a small group of 24 asteroids dynamically linked to main-belt comet P/2006 VW139, recently discovered by the Pan-STARRS1 survey telescope, shares a common physical origin. By applying the Hierarchical Clustering and Backward Integration methods, we find strong evidence that 11 of these asteroids form a sub-group which likely originated in a recent collision event, and that this group includes P/2006 VW139. The objects not found to be part of the 11-member sub-group, which we designate as the P/2006 VW139 family, were eith","authors_text":"Alberto Cellino, Bojan Novakovic, Henry H. Hsieh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-05-22T15:36:35Z","title":"P/2006 VW139: A Main-Belt Comet Born in an Asteroid Collision?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.4949","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":"sha256:167c3219239d6202291cc324d9fc9aa6862793101a566a74d27a53e39bc5fc23","target":"record","created_at":"2026-05-18T03:51:01Z","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":"563779a47df4024b12a7417781552d7f988387befb2cbf6415a05ce8cc2dbda9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-05-22T15:36:35Z","title_canon_sha256":"01ce78c75bb6d71d20c4398ef22c41cda3f4f1cd85ff001c5ce8b801f378d782"},"schema_version":"1.0","source":{"id":"1205.4949","kind":"arxiv","version":1}},"canonical_sha256":"27f08cb9d4908eefa9b74316f5e723b49c9aee0a7ac5d56d6d6142afb0c1da92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27f08cb9d4908eefa9b74316f5e723b49c9aee0a7ac5d56d6d6142afb0c1da92","first_computed_at":"2026-05-18T03:51:01.636052Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:01.636052Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A7dJPXBgHIDK35a29t5+6UZqpIS6K6s3x6stj7Heoqy0mpILaYnCj/qyj5Vw81Arxw3jjZ4sShrVqJjg+w9vAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:01.636773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.4949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:167c3219239d6202291cc324d9fc9aa6862793101a566a74d27a53e39bc5fc23","sha256:e5916c6822307f2e9a271f47b67c09dd35ef8ca64e1dfe5c07e2414466e210c7"],"state_sha256":"10d7e6b334b7e1be24f4cfc4741883e7a09b14a47245610374161c650486fe5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cOPDTEq/n7t3yvjaXevQfhwPrIatNhfqHrY9NILmckaWWyy5kIBzSonOymSGEm+KUA5uy5Cf45rloCVORDaWDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T15:24:57.814907Z","bundle_sha256":"9e97f904d30dd8fd15fa0710469b417870e66c880392da91756d2eeb410ae627"}}