{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:XOE76UEFGG7PD22TBUW3UXOBED","short_pith_number":"pith:XOE76UEF","canonical_record":{"source":{"id":"astro-ph/0402186","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T05:16:01Z","cross_cats_sorted":[],"title_canon_sha256":"321667f498f11cc81b6f4ae3cc5166007506d4e42b7fbfbfcac19e94f1373e05","abstract_canon_sha256":"4e419ee025171fb7cb0e9e44ce2838637e02fb0beebfc08193be94253aa9e0f5"},"schema_version":"1.0"},"canonical_sha256":"bb89ff508531bef1eb530d2dba5dc120f3c5dd67a85f301e3ad09ca777196e28","source":{"kind":"arxiv","id":"astro-ph/0402186","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0402186","created_at":"2026-05-18T00:52:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0402186v1","created_at":"2026-05-18T00:52:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0402186","created_at":"2026-05-18T00:52:09Z"},{"alias_kind":"pith_short_12","alias_value":"XOE76UEFGG7P","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"XOE76UEFGG7PD22T","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"XOE76UEF","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:XOE76UEFGG7PD22TBUW3UXOBED","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0402186","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T05:16:01Z","cross_cats_sorted":[],"title_canon_sha256":"321667f498f11cc81b6f4ae3cc5166007506d4e42b7fbfbfcac19e94f1373e05","abstract_canon_sha256":"4e419ee025171fb7cb0e9e44ce2838637e02fb0beebfc08193be94253aa9e0f5"},"schema_version":"1.0"},"canonical_sha256":"bb89ff508531bef1eb530d2dba5dc120f3c5dd67a85f301e3ad09ca777196e28","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:09.839851Z","signature_b64":"7UTT5d4nWcX+96EUskt389QNufNCjn6BMWwLXj3nM0KP1aQX3RWOvjAVZI6/joESYeCaUPwHfK4NZALRNp5HCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb89ff508531bef1eb530d2dba5dc120f3c5dd67a85f301e3ad09ca777196e28","last_reissued_at":"2026-05-18T00:52:09.839228Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:09.839228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0402186","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":"2026-05-18T00:52:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cPEtlsQyOhtyNTeer1LfNe0lyOpIwEHZfPBUSsB3HyBMOMREs8mEbzcnArCiiNcX3iH8/qWG6v7mXGu5pHuOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:59:57.506700Z"},"content_sha256":"501ece57c9488939d08332006c748a183392eceb12a2052755270b345f9cfa09","schema_version":"1.0","event_id":"sha256:501ece57c9488939d08332006c748a183392eceb12a2052755270b345f9cfa09"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:XOE76UEFGG7PD22TBUW3UXOBED","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral Classification and Effective Temperatures of L and T Dwarfs Based of Near-Infrared Spectra","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Kenshi Yanagisawa, Tadashi Nakajima, Takashi Tsuji","submitted_at":"2004-02-09T05:16:01Z","abstract_excerpt":"We have obtained near-infrared spectra of L dwarfs, L/T transition objects and T dwarfs using Subaru. Resulting spectra are examined in detail to see their dependence on the spectral types. We have obtained bolometric luminosities of the objects with known parallaxes in our sample, first by integrating the spectra and second by K band bolometric correction. We derive the relation between effective temperature and spectral type."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0402186","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":"2026-05-18T00:52:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IEJHLiPfZu8eGo7ah6LQd0bvb8sgkuTkpVQ1+n9wrktWN1+NF0D2Y0kuuXxvTq8918YSTv0eMXku1Siri270Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:59:57.507402Z"},"content_sha256":"4c2e4f5db5593ac10ae372003ffa2021d97787aaa45d84e2b9ac2fba2b1264ae","schema_version":"1.0","event_id":"sha256:4c2e4f5db5593ac10ae372003ffa2021d97787aaa45d84e2b9ac2fba2b1264ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOE76UEFGG7PD22TBUW3UXOBED/bundle.json","state_url":"https://pith.science/pith/XOE76UEFGG7PD22TBUW3UXOBED/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOE76UEFGG7PD22TBUW3UXOBED/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":"2026-05-28T21:59:57Z","links":{"resolver":"https://pith.science/pith/XOE76UEFGG7PD22TBUW3UXOBED","bundle":"https://pith.science/pith/XOE76UEFGG7PD22TBUW3UXOBED/bundle.json","state":"https://pith.science/pith/XOE76UEFGG7PD22TBUW3UXOBED/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOE76UEFGG7PD22TBUW3UXOBED/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:XOE76UEFGG7PD22TBUW3UXOBED","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":"4e419ee025171fb7cb0e9e44ce2838637e02fb0beebfc08193be94253aa9e0f5","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T05:16:01Z","title_canon_sha256":"321667f498f11cc81b6f4ae3cc5166007506d4e42b7fbfbfcac19e94f1373e05"},"schema_version":"1.0","source":{"id":"astro-ph/0402186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0402186","created_at":"2026-05-18T00:52:09Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0402186v1","created_at":"2026-05-18T00:52:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0402186","created_at":"2026-05-18T00:52:09Z"},{"alias_kind":"pith_short_12","alias_value":"XOE76UEFGG7P","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"XOE76UEFGG7PD22T","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"XOE76UEF","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:4c2e4f5db5593ac10ae372003ffa2021d97787aaa45d84e2b9ac2fba2b1264ae","target":"graph","created_at":"2026-05-18T00:52:09Z","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 have obtained near-infrared spectra of L dwarfs, L/T transition objects and T dwarfs using Subaru. Resulting spectra are examined in detail to see their dependence on the spectral types. We have obtained bolometric luminosities of the objects with known parallaxes in our sample, first by integrating the spectra and second by K band bolometric correction. We derive the relation between effective temperature and spectral type.","authors_text":"Kenshi Yanagisawa, Tadashi Nakajima, Takashi Tsuji","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T05:16:01Z","title":"Spectral Classification and Effective Temperatures of L and T Dwarfs Based of Near-Infrared Spectra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0402186","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":"sha256:501ece57c9488939d08332006c748a183392eceb12a2052755270b345f9cfa09","target":"record","created_at":"2026-05-18T00:52:09Z","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":"4e419ee025171fb7cb0e9e44ce2838637e02fb0beebfc08193be94253aa9e0f5","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-02-09T05:16:01Z","title_canon_sha256":"321667f498f11cc81b6f4ae3cc5166007506d4e42b7fbfbfcac19e94f1373e05"},"schema_version":"1.0","source":{"id":"astro-ph/0402186","kind":"arxiv","version":1}},"canonical_sha256":"bb89ff508531bef1eb530d2dba5dc120f3c5dd67a85f301e3ad09ca777196e28","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb89ff508531bef1eb530d2dba5dc120f3c5dd67a85f301e3ad09ca777196e28","first_computed_at":"2026-05-18T00:52:09.839228Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:52:09.839228Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7UTT5d4nWcX+96EUskt389QNufNCjn6BMWwLXj3nM0KP1aQX3RWOvjAVZI6/joESYeCaUPwHfK4NZALRNp5HCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:52:09.839851Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0402186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:501ece57c9488939d08332006c748a183392eceb12a2052755270b345f9cfa09","sha256:4c2e4f5db5593ac10ae372003ffa2021d97787aaa45d84e2b9ac2fba2b1264ae"],"state_sha256":"d4e8325c4b222c5ad930c6e70eaffbfb2258ff5ccd640b1ff60d27703bb57a97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hm5/pRDDDhlUVenhzaqNUwnVScQLbZL/4ZZUxvWqDxorepy+QZMwsyFob7n6WMJJFJAnhZaTCQz13t76h0VyBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:59:57.510916Z","bundle_sha256":"b91f3415859fa8235014fd31adf123f9780fb6a810d2ceb9581e4677f12656cd"}}