{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MQLGH3SYQGTNY26ZTFYLHPC3PG","short_pith_number":"pith:MQLGH3SY","canonical_record":{"source":{"id":"1810.10864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T13:19:20Z","cross_cats_sorted":[],"title_canon_sha256":"db78af44a8d35cefc5302caaf90c541e820461a03ec022a276a4ca3b9fc91df7","abstract_canon_sha256":"0584328735ed4d67c215eff26e1868b09a6a0b1b2e7176014b4a05a7d89e774f"},"schema_version":"1.0"},"canonical_sha256":"641663ee5881a6dc6bd99970b3bc5b79ae434e657407a8156174a872afae0b95","source":{"kind":"arxiv","id":"1810.10864","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10864","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10864v1","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10864","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"pith_short_12","alias_value":"MQLGH3SYQGTN","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MQLGH3SYQGTNY26Z","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MQLGH3SY","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MQLGH3SYQGTNY26ZTFYLHPC3PG","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T13:19:20Z","cross_cats_sorted":[],"title_canon_sha256":"db78af44a8d35cefc5302caaf90c541e820461a03ec022a276a4ca3b9fc91df7","abstract_canon_sha256":"0584328735ed4d67c215eff26e1868b09a6a0b1b2e7176014b4a05a7d89e774f"},"schema_version":"1.0"},"canonical_sha256":"641663ee5881a6dc6bd99970b3bc5b79ae434e657407a8156174a872afae0b95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:18.967730Z","signature_b64":"4lTDbQ8f+y5MKuK/B9PrP9m9jh3bS2g5jg3b+lOrH+2Sas5IIQbVZ3scbZVyQf7E5gi6EORnkrwc1SwIOwK5BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"641663ee5881a6dc6bd99970b3bc5b79ae434e657407a8156174a872afae0b95","last_reissued_at":"2026-05-18T00:02:18.967141Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:18.967141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10864","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":"2026-05-18T00:02:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p0rHlzSZyijy2JsB5Z2iBMOnTysietae2NwSwGknXsJu4QD91lihBt+RQQXuGmBo5nLiBlVb8NvL8lggVZ/YDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:13:22.097841Z"},"content_sha256":"a7586c84ecb022d42f0dc83133970a9112515fac607fa8e4c1adc8cd8b07a2ea","schema_version":"1.0","event_id":"sha256:a7586c84ecb022d42f0dc83133970a9112515fac607fa8e4c1adc8cd8b07a2ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MQLGH3SYQGTNY26ZTFYLHPC3PG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of a young subfamily of the (221)~Eos asteroid family","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Georgios Tsirvoulis","submitted_at":"2018-10-25T13:19:20Z","abstract_excerpt":"In this work we report the discovery of a young cluster of asteroids that originated by the breakup of an asteroid member of the (221)Eos family. By applying the Hierarchical clustering method to the catalog of proper elements we have identified 26 members of this new small group of asteroids. We have established that the statistical significance of this cluster is $>99\\%$, therefore it corresponds to a real asteroid family, named the (633)Zelima cluster, after its lowest numbered member. The orbits of its members are dynamically stable, a fact that enabled us to use the backward integration m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10864","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":"2026-05-18T00:02:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TZKktgXQ8rdscbMJzP0B6dfh8eUOrE8mdE0sjsONBZGEDkwhH9l9My5XTaMRl/bxtWMZqEA3OVC6MxOWq27mDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:13:22.098197Z"},"content_sha256":"09149150b2b22d2c20b59cafdbe9916ebd7e7ffa7dff53f74bdc3d52c89328bf","schema_version":"1.0","event_id":"sha256:09149150b2b22d2c20b59cafdbe9916ebd7e7ffa7dff53f74bdc3d52c89328bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG/bundle.json","state_url":"https://pith.science/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG/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":"2026-06-01T04:13:22Z","links":{"resolver":"https://pith.science/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG","bundle":"https://pith.science/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG/bundle.json","state":"https://pith.science/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQLGH3SYQGTNY26ZTFYLHPC3PG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MQLGH3SYQGTNY26ZTFYLHPC3PG","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":"0584328735ed4d67c215eff26e1868b09a6a0b1b2e7176014b4a05a7d89e774f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T13:19:20Z","title_canon_sha256":"db78af44a8d35cefc5302caaf90c541e820461a03ec022a276a4ca3b9fc91df7"},"schema_version":"1.0","source":{"id":"1810.10864","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10864","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10864v1","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10864","created_at":"2026-05-18T00:02:18Z"},{"alias_kind":"pith_short_12","alias_value":"MQLGH3SYQGTN","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MQLGH3SYQGTNY26Z","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MQLGH3SY","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:09149150b2b22d2c20b59cafdbe9916ebd7e7ffa7dff53f74bdc3d52c89328bf","target":"graph","created_at":"2026-05-18T00:02:18Z","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 work we report the discovery of a young cluster of asteroids that originated by the breakup of an asteroid member of the (221)Eos family. By applying the Hierarchical clustering method to the catalog of proper elements we have identified 26 members of this new small group of asteroids. We have established that the statistical significance of this cluster is $>99\\%$, therefore it corresponds to a real asteroid family, named the (633)Zelima cluster, after its lowest numbered member. The orbits of its members are dynamically stable, a fact that enabled us to use the backward integration m","authors_text":"Georgios Tsirvoulis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T13:19:20Z","title":"Discovery of a young subfamily of the (221)~Eos asteroid family"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10864","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:a7586c84ecb022d42f0dc83133970a9112515fac607fa8e4c1adc8cd8b07a2ea","target":"record","created_at":"2026-05-18T00:02:18Z","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":"0584328735ed4d67c215eff26e1868b09a6a0b1b2e7176014b4a05a7d89e774f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-25T13:19:20Z","title_canon_sha256":"db78af44a8d35cefc5302caaf90c541e820461a03ec022a276a4ca3b9fc91df7"},"schema_version":"1.0","source":{"id":"1810.10864","kind":"arxiv","version":1}},"canonical_sha256":"641663ee5881a6dc6bd99970b3bc5b79ae434e657407a8156174a872afae0b95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"641663ee5881a6dc6bd99970b3bc5b79ae434e657407a8156174a872afae0b95","first_computed_at":"2026-05-18T00:02:18.967141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:18.967141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4lTDbQ8f+y5MKuK/B9PrP9m9jh3bS2g5jg3b+lOrH+2Sas5IIQbVZ3scbZVyQf7E5gi6EORnkrwc1SwIOwK5BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:18.967730Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10864","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7586c84ecb022d42f0dc83133970a9112515fac607fa8e4c1adc8cd8b07a2ea","sha256:09149150b2b22d2c20b59cafdbe9916ebd7e7ffa7dff53f74bdc3d52c89328bf"],"state_sha256":"a194d41c0eeb0fd62133184cbd371341eee14afe82f30595f431ea3e5e1c5dbc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M/s4sVb+kDrSlCyPSOZUrWRcOWWltYrLbvpEkmK+8f+6Vn/MrEp2m3lwJeJFyE9sq9EYyzNShSaOrFaBvp0rBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:13:22.100573Z","bundle_sha256":"ea4ef8c5fb37935957a12c9c77e71174cde71be20149394211891a59ab31aeb4"}}