{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:UVRT25GG3HHGOU755VSVCXRZNJ","short_pith_number":"pith:UVRT25GG","canonical_record":{"source":{"id":"0812.4525","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-24T12:52:29Z","cross_cats_sorted":[],"title_canon_sha256":"61acffdc181494bb7240ba2a483311a3a675242b3d4339dedad4bed5be723326","abstract_canon_sha256":"724cd5cdeb5059265ed6562b919f0007bd06467fe153f7e9db732ae0bfa4c07d"},"schema_version":"1.0"},"canonical_sha256":"a5633d74c6d9ce6753fded65515e396a705724dfd9284f642b2329961c3a514e","source":{"kind":"arxiv","id":"0812.4525","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.4525","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"arxiv_version","alias_value":"0812.4525v2","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4525","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"pith_short_12","alias_value":"UVRT25GG3HHG","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"pith_short_16","alias_value":"UVRT25GG3HHGOU75","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"pith_short_8","alias_value":"UVRT25GG","created_at":"2026-07-04T17:13:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:UVRT25GG3HHGOU755VSVCXRZNJ","target":"record","payload":{"canonical_record":{"source":{"id":"0812.4525","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-24T12:52:29Z","cross_cats_sorted":[],"title_canon_sha256":"61acffdc181494bb7240ba2a483311a3a675242b3d4339dedad4bed5be723326","abstract_canon_sha256":"724cd5cdeb5059265ed6562b919f0007bd06467fe153f7e9db732ae0bfa4c07d"},"schema_version":"1.0"},"canonical_sha256":"a5633d74c6d9ce6753fded65515e396a705724dfd9284f642b2329961c3a514e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:13:58.232059Z","signature_b64":"imkrVxgotvDrZu2mKoFokoU6KbuqKkY5KNFyfG9td6+cO8sZmL1fymqF1K/mhfZuzWSVFxdhX55C/H3QWVQ5Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5633d74c6d9ce6753fded65515e396a705724dfd9284f642b2329961c3a514e","last_reissued_at":"2026-07-04T17:13:58.231664Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:13:58.231664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.4525","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T17:13:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S4IzbROYw/6HOHPsD3eJYgOE0ZZ2zciDI6narxMSncQtwD2c03v6wvvLwVhK+UgGtcqkINejGueFlwihE0GJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T12:10:26.870820Z"},"content_sha256":"ba2ccbce26362f889b4e90b9d333c009d1c685dab5477f64ec75015eedecbca1","schema_version":"1.0","event_id":"sha256:ba2ccbce26362f889b4e90b9d333c009d1c685dab5477f64ec75015eedecbca1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:UVRT25GG3HHGOU755VSVCXRZNJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"New BVRI photometry results on KBOs from the ESO VLT","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Univ. Metropolitana de Ciencias de la Educaci\\'on, (3) Max-Planck-Institute f\\\"ur Solar System Research, Chile, Dpto. de F\\'isica, Germany), Granada, H. Boehnhardt (3) ((1) Instituto de Astrof\\'isica de Andaluc\\'ia-CSIC, J. L. Ortiz (1), Katlenburg-Lindau, L. Barrera (2), P. Santos-Sanz (1), Santiago de Chile, Spain","submitted_at":"2008-12-24T12:52:29Z","abstract_excerpt":"Photometric surveys of transNeptunian objects (TNOs) and Centaurs have suggested possible correlations between some orbital parameters and surface colors of classical objects, scattered disk objects (SDOs), and Centaurs. However, larger sample sizes are needed in order to corroborate or rule out the possible correlations and find some possible new ones. We use VLT-FORS images through BVRI filters of 32 Kuiper Belt Objects (KBOs) and obtain their colors after proper reduction and calibration. We study the possible correlations merging these new measurements with the VLT published results from t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4525","kind":"arxiv","version":2},"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/0812.4525/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":"2026-07-04T17:13:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dkP6JKUd8PEs2jigLLubajnlLUFRljFfujLtnVOrd4oOPId0JwE7Lr97yxqQQKMdvcWeqh6wkoGT+xquyvSKDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T12:10:26.871189Z"},"content_sha256":"dfc9cc4abc0ce4e248a548432064d54184e4986cd4c246602aaa1e3bed8e2c28","schema_version":"1.0","event_id":"sha256:dfc9cc4abc0ce4e248a548432064d54184e4986cd4c246602aaa1e3bed8e2c28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UVRT25GG3HHGOU755VSVCXRZNJ/bundle.json","state_url":"https://pith.science/pith/UVRT25GG3HHGOU755VSVCXRZNJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UVRT25GG3HHGOU755VSVCXRZNJ/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":"2026-07-17T12:10:26Z","links":{"resolver":"https://pith.science/pith/UVRT25GG3HHGOU755VSVCXRZNJ","bundle":"https://pith.science/pith/UVRT25GG3HHGOU755VSVCXRZNJ/bundle.json","state":"https://pith.science/pith/UVRT25GG3HHGOU755VSVCXRZNJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UVRT25GG3HHGOU755VSVCXRZNJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:UVRT25GG3HHGOU755VSVCXRZNJ","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":"724cd5cdeb5059265ed6562b919f0007bd06467fe153f7e9db732ae0bfa4c07d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-24T12:52:29Z","title_canon_sha256":"61acffdc181494bb7240ba2a483311a3a675242b3d4339dedad4bed5be723326"},"schema_version":"1.0","source":{"id":"0812.4525","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.4525","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"arxiv_version","alias_value":"0812.4525v2","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4525","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"pith_short_12","alias_value":"UVRT25GG3HHG","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"pith_short_16","alias_value":"UVRT25GG3HHGOU75","created_at":"2026-07-04T17:13:58Z"},{"alias_kind":"pith_short_8","alias_value":"UVRT25GG","created_at":"2026-07-04T17:13:58Z"}],"graph_snapshots":[{"event_id":"sha256:dfc9cc4abc0ce4e248a548432064d54184e4986cd4c246602aaa1e3bed8e2c28","target":"graph","created_at":"2026-07-04T17:13:58Z","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/0812.4525/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Photometric surveys of transNeptunian objects (TNOs) and Centaurs have suggested possible correlations between some orbital parameters and surface colors of classical objects, scattered disk objects (SDOs), and Centaurs. However, larger sample sizes are needed in order to corroborate or rule out the possible correlations and find some possible new ones. We use VLT-FORS images through BVRI filters of 32 Kuiper Belt Objects (KBOs) and obtain their colors after proper reduction and calibration. We study the possible correlations merging these new measurements with the VLT published results from t","authors_text":"(2) Univ. Metropolitana de Ciencias de la Educaci\\'on, (3) Max-Planck-Institute f\\\"ur Solar System Research, Chile, Dpto. de F\\'isica, Germany), Granada, H. Boehnhardt (3) ((1) Instituto de Astrof\\'isica de Andaluc\\'ia-CSIC, J. L. Ortiz (1), Katlenburg-Lindau, L. Barrera (2), P. Santos-Sanz (1), Santiago de Chile, Spain","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-24T12:52:29Z","title":"New BVRI photometry results on KBOs from the ESO VLT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4525","kind":"arxiv","version":2},"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:ba2ccbce26362f889b4e90b9d333c009d1c685dab5477f64ec75015eedecbca1","target":"record","created_at":"2026-07-04T17:13:58Z","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":"724cd5cdeb5059265ed6562b919f0007bd06467fe153f7e9db732ae0bfa4c07d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-24T12:52:29Z","title_canon_sha256":"61acffdc181494bb7240ba2a483311a3a675242b3d4339dedad4bed5be723326"},"schema_version":"1.0","source":{"id":"0812.4525","kind":"arxiv","version":2}},"canonical_sha256":"a5633d74c6d9ce6753fded65515e396a705724dfd9284f642b2329961c3a514e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5633d74c6d9ce6753fded65515e396a705724dfd9284f642b2329961c3a514e","first_computed_at":"2026-07-04T17:13:58.231664Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:13:58.231664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"imkrVxgotvDrZu2mKoFokoU6KbuqKkY5KNFyfG9td6+cO8sZmL1fymqF1K/mhfZuzWSVFxdhX55C/H3QWVQ5Cg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:13:58.232059Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.4525","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba2ccbce26362f889b4e90b9d333c009d1c685dab5477f64ec75015eedecbca1","sha256:dfc9cc4abc0ce4e248a548432064d54184e4986cd4c246602aaa1e3bed8e2c28"],"state_sha256":"47e1a3c4071ebcf09877ebb1e4c666b3a5932e111a61b6d18185ee42e5e4bfc1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HQeQTPORTLrnFj1z8PqbDMX0vaTvBAad4NZwys6/WzurIlk/MACac26ybq7vpF7OMOx6Ac+rpavA4dYFi2zuBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T12:10:26.873363Z","bundle_sha256":"14530205798b41d0b61e1d9e720c5cce3cbfd32c5f7510d023f6fd99ed66bac5"}}