{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6AMHD7W7CAZCTIMRYD3RYUARRY","short_pith_number":"pith:6AMHD7W7","canonical_record":{"source":{"id":"1401.0420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-02T11:41:47Z","cross_cats_sorted":[],"title_canon_sha256":"9dbe73edd03021782fbe5ae0f94e8fa8091799dc5fa64e0098f066e36534cb8c","abstract_canon_sha256":"693bd0f12d5ea0302ca93a2769c70dd16367666eebd21d319470be3b3765fc14"},"schema_version":"1.0"},"canonical_sha256":"f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51","source":{"kind":"arxiv","id":"1401.0420","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0420","created_at":"2026-05-18T02:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0420v1","created_at":"2026-05-18T02:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0420","created_at":"2026-05-18T02:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"6AMHD7W7CAZC","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6AMHD7W7CAZCTIMR","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6AMHD7W7","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6AMHD7W7CAZCTIMRYD3RYUARRY","target":"record","payload":{"canonical_record":{"source":{"id":"1401.0420","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-02T11:41:47Z","cross_cats_sorted":[],"title_canon_sha256":"9dbe73edd03021782fbe5ae0f94e8fa8091799dc5fa64e0098f066e36534cb8c","abstract_canon_sha256":"693bd0f12d5ea0302ca93a2769c70dd16367666eebd21d319470be3b3765fc14"},"schema_version":"1.0"},"canonical_sha256":"f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:16.896426Z","signature_b64":"x3CK7Ma6R0P3FspVMDJ5IP49XyxPG2HDIIhPPZP6FnpfIAIVKfayLLzXEVX5h41Ex8auDkFxFWt9TGsCbq7HAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51","last_reissued_at":"2026-05-18T02:57:16.895917Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:16.895917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.0420","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":"2026-05-18T02:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h14ORtdZZilmnnbmyWSs3PZKZWW78u8lEXci9Qn7g3LMrjb48UcEX6XmmFmlHG4+JGyR2iIhBoEBDlmi6GlcCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:03:48.649225Z"},"content_sha256":"9df724526f1d067ced925fb687a47e3bfbaea37f2d2452e58c94c005f1d8a425","schema_version":"1.0","event_id":"sha256:9df724526f1d067ced925fb687a47e3bfbaea37f2d2452e58c94c005f1d8a425"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6AMHD7W7CAZCTIMRYD3RYUARRY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The extremely red L dwarf ULAS J222711$-$004547 - dominated by dust","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. C. Day-Jones, B. Burningham, D. J. Pinfield, F. Marocco, H. R. A. Jones, J. I. Gomes, L. Smith, P. W. Lucas, R. L. Smart, R. Raddi, Z. H. Zhang","submitted_at":"2014-01-02T11:41:47Z","abstract_excerpt":"We report the discovery of a peculiar L dwarf from the UKIDSS LAS, ULAS J222711-004547. The very red infrared photometry (MKO J-K = 2.79$\\pm$0.06, WISE W1-W2 = 0.65$\\pm$0.05) of ULAS J222711-004547 makes it one of the reddest brown dwarfs discovered so far. We obtained a moderate resolution spectrum of this target, and classify it as L7pec, confirming its very red nature. Comparison to theoretical models suggests that the object could be a low-gravity L dwarf with a solar or higher than solar metallicity. Nonetheless, the match of such fits to the spectrum is rather poor and this and other pec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0420","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":"2026-05-18T02:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tJeJ9gLW+sRPbwCQYVi5NXnuXxqGig37LXBmGrpnvQcDZc6SVvXBYubZtabjopOYCB/vLY6DQRbzFDOIkNB9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:03:48.649921Z"},"content_sha256":"4d433d6f363bcc4eb19798f51c455326490b4fb3d88b08279ef7fa894b592d2c","schema_version":"1.0","event_id":"sha256:4d433d6f363bcc4eb19798f51c455326490b4fb3d88b08279ef7fa894b592d2c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6AMHD7W7CAZCTIMRYD3RYUARRY/bundle.json","state_url":"https://pith.science/pith/6AMHD7W7CAZCTIMRYD3RYUARRY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6AMHD7W7CAZCTIMRYD3RYUARRY/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":"2026-05-25T16:03:48Z","links":{"resolver":"https://pith.science/pith/6AMHD7W7CAZCTIMRYD3RYUARRY","bundle":"https://pith.science/pith/6AMHD7W7CAZCTIMRYD3RYUARRY/bundle.json","state":"https://pith.science/pith/6AMHD7W7CAZCTIMRYD3RYUARRY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6AMHD7W7CAZCTIMRYD3RYUARRY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6AMHD7W7CAZCTIMRYD3RYUARRY","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":"693bd0f12d5ea0302ca93a2769c70dd16367666eebd21d319470be3b3765fc14","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-02T11:41:47Z","title_canon_sha256":"9dbe73edd03021782fbe5ae0f94e8fa8091799dc5fa64e0098f066e36534cb8c"},"schema_version":"1.0","source":{"id":"1401.0420","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.0420","created_at":"2026-05-18T02:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"1401.0420v1","created_at":"2026-05-18T02:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.0420","created_at":"2026-05-18T02:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"6AMHD7W7CAZC","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6AMHD7W7CAZCTIMR","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6AMHD7W7","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:4d433d6f363bcc4eb19798f51c455326490b4fb3d88b08279ef7fa894b592d2c","target":"graph","created_at":"2026-05-18T02:57:16Z","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 the discovery of a peculiar L dwarf from the UKIDSS LAS, ULAS J222711-004547. The very red infrared photometry (MKO J-K = 2.79$\\pm$0.06, WISE W1-W2 = 0.65$\\pm$0.05) of ULAS J222711-004547 makes it one of the reddest brown dwarfs discovered so far. We obtained a moderate resolution spectrum of this target, and classify it as L7pec, confirming its very red nature. Comparison to theoretical models suggests that the object could be a low-gravity L dwarf with a solar or higher than solar metallicity. Nonetheless, the match of such fits to the spectrum is rather poor and this and other pec","authors_text":"A. C. Day-Jones, B. Burningham, D. J. Pinfield, F. Marocco, H. R. A. Jones, J. I. Gomes, L. Smith, P. W. Lucas, R. L. Smart, R. Raddi, Z. H. Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-02T11:41:47Z","title":"The extremely red L dwarf ULAS J222711$-$004547 - dominated by dust"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.0420","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":"sha256:9df724526f1d067ced925fb687a47e3bfbaea37f2d2452e58c94c005f1d8a425","target":"record","created_at":"2026-05-18T02:57:16Z","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":"693bd0f12d5ea0302ca93a2769c70dd16367666eebd21d319470be3b3765fc14","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-01-02T11:41:47Z","title_canon_sha256":"9dbe73edd03021782fbe5ae0f94e8fa8091799dc5fa64e0098f066e36534cb8c"},"schema_version":"1.0","source":{"id":"1401.0420","kind":"arxiv","version":1}},"canonical_sha256":"f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f01871fedf103229a191c0f71c50118e072ecb9b2d097e79d15dd36b59751e51","first_computed_at":"2026-05-18T02:57:16.895917Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:57:16.895917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x3CK7Ma6R0P3FspVMDJ5IP49XyxPG2HDIIhPPZP6FnpfIAIVKfayLLzXEVX5h41Ex8auDkFxFWt9TGsCbq7HAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:57:16.896426Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.0420","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9df724526f1d067ced925fb687a47e3bfbaea37f2d2452e58c94c005f1d8a425","sha256:4d433d6f363bcc4eb19798f51c455326490b4fb3d88b08279ef7fa894b592d2c"],"state_sha256":"b23ef89ec8966eeff75c36f853bb15ea30957f06965ef76eae916170a17cb282"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+42E3nL9WQHGQXdrnK5Cs5qBPzvOlIFIdiUCcwkb3pMr54CnaXZkoKq+WKae95aLfHTqRV8kYLF7wQ8S2KcBCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:03:48.653593Z","bundle_sha256":"7294ab8f3e5eed4cc0a47cc8b617eb9011c739b76e550dafcf95ce68cd7e417b"}}