{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:UI5PZX52NCY6ZBAHWGTXVMVH5M","short_pith_number":"pith:UI5PZX52","canonical_record":{"source":{"id":"1203.5543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-03-25T21:02:59Z","cross_cats_sorted":[],"title_canon_sha256":"f1dd374ddf0ec6f8ff0b12b26695a584d20805b939af3462b543d2b2ee548045","abstract_canon_sha256":"4a06c86a2f2841eed6bb2a1d5d371bb18129a53498bdba77834e1b10528db0ae"},"schema_version":"1.0"},"canonical_sha256":"a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e","source":{"kind":"arxiv","id":"1203.5543","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5543","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5543v1","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5543","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"pith_short_12","alias_value":"UI5PZX52NCY6","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UI5PZX52NCY6ZBAH","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UI5PZX52","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:UI5PZX52NCY6ZBAHWGTXVMVH5M","target":"record","payload":{"canonical_record":{"source":{"id":"1203.5543","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-03-25T21:02:59Z","cross_cats_sorted":[],"title_canon_sha256":"f1dd374ddf0ec6f8ff0b12b26695a584d20805b939af3462b543d2b2ee548045","abstract_canon_sha256":"4a06c86a2f2841eed6bb2a1d5d371bb18129a53498bdba77834e1b10528db0ae"},"schema_version":"1.0"},"canonical_sha256":"a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:02.005013Z","signature_b64":"oH7wfAN0FwYlmYi8uvDfwiO9l/6NhdypXS0xq99uy53VwWCLndZG/qbta6c/Racu00Sh6cMNhQdTcSzUkOvADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e","last_reissued_at":"2026-05-18T01:58:02.004549Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:02.004549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.5543","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":"2026-05-18T01:58:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fQDTTOTcNFTmRli+mOR+zw+qDvHDH9tzEb2QB/hN1fU7TuMcp39g2dsYvk2UNWooxP1kXV0Tgdd/vuJ7qEEgDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:15:40.185896Z"},"content_sha256":"5bbf86937b4c083982bb31c5136e05673594cc16ebb3fbca31f5142f52141f39","schema_version":"1.0","event_id":"sha256:5bbf86937b4c083982bb31c5136e05673594cc16ebb3fbca31f5142f52141f39"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:UI5PZX52NCY6ZBAHWGTXVMVH5M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Brown Dwarf Kinematics Project (BDKP). III. Parallaxes for 70 Ultracool Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Adam J. Burgasser, Andrew A. West, Frederick J. Vrba, Frederick M. Walter, Guillem Anglada-Escud, Jacqueline K. Faherty, Kelle L. Cruz, Michael M. Shara, Nicole van der Bliek","submitted_at":"2012-03-25T21:02:59Z","abstract_excerpt":"We report parallax measurements for 70 ultracool dwarfs (UCDs). Using both literature values and our sample, we report new polynomial relations between spectral type and M$_{JHK}$. Including resolved L/T transition binaries in the relations, we find no reason to differentiate between a \"bright\" (unresolved binary) and \"faint\" (single source) sample across the L/T boundary. Isolating early T dwarfs, we find that the brightening of T0-T4 sources is prominent in M$_{J}$ where there is a [1.2 - 1.4] magnitude difference. A similar yet dampened brightening of [0.3 - 0.5] magnitude happens at M$_{H}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5543","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":"2026-05-18T01:58:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UCgAzVkZ4pU/iVq5GsBjhKhde2UdKwSyi1DUGeAQnsniVAah1atQFlmCKjjkQcAsVZYGFDdxqG+3puZYHuIFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:15:40.186583Z"},"content_sha256":"2269c3aba8cd345e57daf0d48c4e843b8be0cbea3342879df9dc8431cc1855ef","schema_version":"1.0","event_id":"sha256:2269c3aba8cd345e57daf0d48c4e843b8be0cbea3342879df9dc8431cc1855ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M/bundle.json","state_url":"https://pith.science/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M/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":"2026-05-26T23:15:40Z","links":{"resolver":"https://pith.science/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M","bundle":"https://pith.science/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M/bundle.json","state":"https://pith.science/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UI5PZX52NCY6ZBAHWGTXVMVH5M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:UI5PZX52NCY6ZBAHWGTXVMVH5M","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":"4a06c86a2f2841eed6bb2a1d5d371bb18129a53498bdba77834e1b10528db0ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-03-25T21:02:59Z","title_canon_sha256":"f1dd374ddf0ec6f8ff0b12b26695a584d20805b939af3462b543d2b2ee548045"},"schema_version":"1.0","source":{"id":"1203.5543","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5543","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5543v1","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5543","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"pith_short_12","alias_value":"UI5PZX52NCY6","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"UI5PZX52NCY6ZBAH","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"UI5PZX52","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:2269c3aba8cd345e57daf0d48c4e843b8be0cbea3342879df9dc8431cc1855ef","target":"graph","created_at":"2026-05-18T01:58:02Z","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":"We report parallax measurements for 70 ultracool dwarfs (UCDs). Using both literature values and our sample, we report new polynomial relations between spectral type and M$_{JHK}$. Including resolved L/T transition binaries in the relations, we find no reason to differentiate between a \"bright\" (unresolved binary) and \"faint\" (single source) sample across the L/T boundary. Isolating early T dwarfs, we find that the brightening of T0-T4 sources is prominent in M$_{J}$ where there is a [1.2 - 1.4] magnitude difference. A similar yet dampened brightening of [0.3 - 0.5] magnitude happens at M$_{H}","authors_text":"Adam J. Burgasser, Andrew A. West, Frederick J. Vrba, Frederick M. Walter, Guillem Anglada-Escud, Jacqueline K. Faherty, Kelle L. Cruz, Michael M. Shara, Nicole van der Bliek","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-03-25T21:02:59Z","title":"The Brown Dwarf Kinematics Project (BDKP). III. Parallaxes for 70 Ultracool Dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5543","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":"sha256:5bbf86937b4c083982bb31c5136e05673594cc16ebb3fbca31f5142f52141f39","target":"record","created_at":"2026-05-18T01:58:02Z","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":"4a06c86a2f2841eed6bb2a1d5d371bb18129a53498bdba77834e1b10528db0ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-03-25T21:02:59Z","title_canon_sha256":"f1dd374ddf0ec6f8ff0b12b26695a584d20805b939af3462b543d2b2ee548045"},"schema_version":"1.0","source":{"id":"1203.5543","kind":"arxiv","version":1}},"canonical_sha256":"a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a23afcdfba68b1ec8407b1a77ab2a7eb004b8032066d05946c61a70970724c0e","first_computed_at":"2026-05-18T01:58:02.004549Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:02.004549Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oH7wfAN0FwYlmYi8uvDfwiO9l/6NhdypXS0xq99uy53VwWCLndZG/qbta6c/Racu00Sh6cMNhQdTcSzUkOvADw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:02.005013Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.5543","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bbf86937b4c083982bb31c5136e05673594cc16ebb3fbca31f5142f52141f39","sha256:2269c3aba8cd345e57daf0d48c4e843b8be0cbea3342879df9dc8431cc1855ef"],"state_sha256":"d83e2be8e90bc65b21150b130bf79f137f03d5a61706a7a6d1c6411d575849b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"18/uDrsyvp9wYPFqFgYcZPB9BcncLmvqCPOrHTad76qxtyY3L3WyyFWEAg81BANZMGNfzXlXb2IsZiocQyDQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:15:40.189215Z","bundle_sha256":"5d50e801a90a3e848a299de6ad307d15ec9eedb75c09097a4a8796c8752fb837"}}