{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:GKJKBGB5BHBHDQRZ6UO6LLTXOP","short_pith_number":"pith:GKJKBGB5","canonical_record":{"source":{"id":"0810.2030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-11T14:04:22Z","cross_cats_sorted":[],"title_canon_sha256":"7ccff2681d64d826a107e74f3c51a67e3c8964833ffb4d95d9c2d173c42de632","abstract_canon_sha256":"e7afe3aa550018629c17f00ee9b0275c5e417f563889874e101a9e1f4309f46c"},"schema_version":"1.0"},"canonical_sha256":"3292a0983d09c271c239f51de5ae7773e9b3124f49e0e4d8d46f509aa9360868","source":{"kind":"arxiv","id":"0810.2030","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.2030","created_at":"2026-05-18T02:15:32Z"},{"alias_kind":"arxiv_version","alias_value":"0810.2030v1","created_at":"2026-05-18T02:15:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.2030","created_at":"2026-05-18T02:15:32Z"},{"alias_kind":"pith_short_12","alias_value":"GKJKBGB5BHBH","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"GKJKBGB5BHBHDQRZ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"GKJKBGB5","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:GKJKBGB5BHBHDQRZ6UO6LLTXOP","target":"record","payload":{"canonical_record":{"source":{"id":"0810.2030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-11T14:04:22Z","cross_cats_sorted":[],"title_canon_sha256":"7ccff2681d64d826a107e74f3c51a67e3c8964833ffb4d95d9c2d173c42de632","abstract_canon_sha256":"e7afe3aa550018629c17f00ee9b0275c5e417f563889874e101a9e1f4309f46c"},"schema_version":"1.0"},"canonical_sha256":"3292a0983d09c271c239f51de5ae7773e9b3124f49e0e4d8d46f509aa9360868","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:32.174370Z","signature_b64":"f9+QcdNYWW3K4PebHcbEpqqosIOs+dGfmjFN7TnX0xvBIs6T0ebqmYIKkgJ49lOcech8Hpn4YPNYZtSFs6MHCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3292a0983d09c271c239f51de5ae7773e9b3124f49e0e4d8d46f509aa9360868","last_reissued_at":"2026-05-18T02:15:32.173667Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:32.173667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.2030","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":"2026-05-18T02:15:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yi2w6UwbKLyWMfgrPZ0oKPW2lKs+VHQD33RXHH8yoLTDroyl+2aX3fpikVSWeK+zQwSU+WPzMaB756Fy9Da5Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T08:36:59.445266Z"},"content_sha256":"09c875aaf7fdcf24e2a5b71fc6c75589525bea3d62b665b0a926c69e2f0337c0","schema_version":"1.0","event_id":"sha256:09c875aaf7fdcf24e2a5b71fc6c75589525bea3d62b665b0a926c69e2f0337c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:GKJKBGB5BHBHDQRZ6UO6LLTXOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Preliminary results on a Virtual Observatory search for companions to Luyten stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D. Montes, F. X. Miret, J. A. Caballero, J. Cairol, J. Genebriera, T. Tobal","submitted_at":"2008-10-11T14:04:22Z","abstract_excerpt":"The Aladin sky atlas of the Virtual Observatory has shown to be a powerful and easy-handling tool for the discovery, confirmation, and characterisation of high proper-motion, multiple stellar systems of large separation in the solar vicinity. Some of these systems have very low mass components (at the star/brown dwarf boundary) and are amongst the least bound systems found to date. With projected physical separations of up to tens of thousands astronomical units, these systems represent a challenge for theoretical scenarios of formation of very low-mass stars and brown dwarfs. Here we show pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.2030","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":"2026-05-18T02:15:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cz8aEyVkQ0x+IYurUFSsF3Xbm/Y6M8hdNOetyAfCuRC7rwTgo0wDshSW/3iabEzOXK5A0JI4UykqD5G1wVh2Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T08:36:59.446649Z"},"content_sha256":"57888b18840252412ba9ffa252dafcbe5fd3bf34a7edf865d03b5aa7e1ef26b8","schema_version":"1.0","event_id":"sha256:57888b18840252412ba9ffa252dafcbe5fd3bf34a7edf865d03b5aa7e1ef26b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP/bundle.json","state_url":"https://pith.science/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP/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":"2026-08-14T08:36:59Z","links":{"resolver":"https://pith.science/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP","bundle":"https://pith.science/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP/bundle.json","state":"https://pith.science/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GKJKBGB5BHBHDQRZ6UO6LLTXOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:GKJKBGB5BHBHDQRZ6UO6LLTXOP","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":"e7afe3aa550018629c17f00ee9b0275c5e417f563889874e101a9e1f4309f46c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-11T14:04:22Z","title_canon_sha256":"7ccff2681d64d826a107e74f3c51a67e3c8964833ffb4d95d9c2d173c42de632"},"schema_version":"1.0","source":{"id":"0810.2030","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.2030","created_at":"2026-05-18T02:15:32Z"},{"alias_kind":"arxiv_version","alias_value":"0810.2030v1","created_at":"2026-05-18T02:15:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.2030","created_at":"2026-05-18T02:15:32Z"},{"alias_kind":"pith_short_12","alias_value":"GKJKBGB5BHBH","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"GKJKBGB5BHBHDQRZ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"GKJKBGB5","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:57888b18840252412ba9ffa252dafcbe5fd3bf34a7edf865d03b5aa7e1ef26b8","target":"graph","created_at":"2026-05-18T02:15:32Z","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 Aladin sky atlas of the Virtual Observatory has shown to be a powerful and easy-handling tool for the discovery, confirmation, and characterisation of high proper-motion, multiple stellar systems of large separation in the solar vicinity. Some of these systems have very low mass components (at the star/brown dwarf boundary) and are amongst the least bound systems found to date. With projected physical separations of up to tens of thousands astronomical units, these systems represent a challenge for theoretical scenarios of formation of very low-mass stars and brown dwarfs. Here we show pre","authors_text":"D. Montes, F. X. Miret, J. A. Caballero, J. Cairol, J. Genebriera, T. Tobal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-11T14:04:22Z","title":"Preliminary results on a Virtual Observatory search for companions to Luyten stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.2030","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":"sha256:09c875aaf7fdcf24e2a5b71fc6c75589525bea3d62b665b0a926c69e2f0337c0","target":"record","created_at":"2026-05-18T02:15:32Z","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":"e7afe3aa550018629c17f00ee9b0275c5e417f563889874e101a9e1f4309f46c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-11T14:04:22Z","title_canon_sha256":"7ccff2681d64d826a107e74f3c51a67e3c8964833ffb4d95d9c2d173c42de632"},"schema_version":"1.0","source":{"id":"0810.2030","kind":"arxiv","version":1}},"canonical_sha256":"3292a0983d09c271c239f51de5ae7773e9b3124f49e0e4d8d46f509aa9360868","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3292a0983d09c271c239f51de5ae7773e9b3124f49e0e4d8d46f509aa9360868","first_computed_at":"2026-05-18T02:15:32.173667Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:32.173667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f9+QcdNYWW3K4PebHcbEpqqosIOs+dGfmjFN7TnX0xvBIs6T0ebqmYIKkgJ49lOcech8Hpn4YPNYZtSFs6MHCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:32.174370Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.2030","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09c875aaf7fdcf24e2a5b71fc6c75589525bea3d62b665b0a926c69e2f0337c0","sha256:57888b18840252412ba9ffa252dafcbe5fd3bf34a7edf865d03b5aa7e1ef26b8"],"state_sha256":"d54a0112a1262db278b84fe1add2be4987a13eef8fb9a9ddd3db3d68cd73db3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"05KzuPn+DsVh7PkoiIFJ2iNWSPfvKehDan41nwKqKMr3s2aujuK7MsEU5uYwIIwhjQDVl3HqHcKwMGGBOJviBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T08:36:59.523253Z","bundle_sha256":"7844ec30994a86cdd3f883e29b5bb3faf0261adc3c35c0496bdf3d8d588dd13c"}}