{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:D7JYARSCZGFJQ2ILFOCHSKSHRA","short_pith_number":"pith:D7JYARSC","canonical_record":{"source":{"id":"2405.03849","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-06T20:54:26Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"a0bb2d54cbad6ba8b8deba2c21ec82918da24fb64a0290b9bb057a195554ed74","abstract_canon_sha256":"adae8e04a4be93c917ad9899b75687799e73129c0a2baa7b62bbad0d86139971"},"schema_version":"1.0"},"canonical_sha256":"1fd3804642c98a98690b2b84792a47880f4595d8f42731df4be3c933322e9512","source":{"kind":"arxiv","id":"2405.03849","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.03849","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"2405.03849v1","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.03849","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"D7JYARSCZGFJ","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"pith_short_16","alias_value":"D7JYARSCZGFJQ2IL","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"pith_short_8","alias_value":"D7JYARSC","created_at":"2026-07-05T08:16:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:D7JYARSCZGFJQ2ILFOCHSKSHRA","target":"record","payload":{"canonical_record":{"source":{"id":"2405.03849","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-06T20:54:26Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"a0bb2d54cbad6ba8b8deba2c21ec82918da24fb64a0290b9bb057a195554ed74","abstract_canon_sha256":"adae8e04a4be93c917ad9899b75687799e73129c0a2baa7b62bbad0d86139971"},"schema_version":"1.0"},"canonical_sha256":"1fd3804642c98a98690b2b84792a47880f4595d8f42731df4be3c933322e9512","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:16:11.601442Z","signature_b64":"qO7ylEaqH0FWhfeLLVnvq1/BTB43zW59SYurzo/I6kvXG3EObHZbg+TTPsfN2gnSAPu9d7HnQ8YAEVsyf17FDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fd3804642c98a98690b2b84792a47880f4595d8f42731df4be3c933322e9512","last_reissued_at":"2026-07-05T08:16:11.600928Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:16:11.600928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.03849","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":"2026-07-05T08:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"69QidbbfiPa0S4/uo5ik35rFWdWKWN8xLp8iMOWQj5TfFFiRYtLwIHPZ+2+dzKgIy/Ss1g0289R3sMprPVNTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:28:17.293417Z"},"content_sha256":"b6d3aba160b1fa6a581f47e5d3c92f137344c122897b3f0b7c864525277da767","schema_version":"1.0","event_id":"sha256:b6d3aba160b1fa6a581f47e5d3c92f137344c122897b3f0b7c864525277da767"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:D7JYARSCZGFJQ2ILFOCHSKSHRA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of the Remarkably Red L/T Transition Object VHS J183135.58-551355.9","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Aaron M. Meisner, Adam C. Schneider, Adam J. Burgasser, Austin Rothermich, Dan Caselden, Daniella Bardalez Gagliuffi, Federico Marocco, Genaro Su\\'arez, Jacqueline K. Faherty, J. Davy Kirkpatrick, Johanna M. Vos, Jonathan Gagn\\'e, Marc J. Kuchner, Sarah L. Casewell, The Backyard Worlds: Planet 9 Collaboration, Thomas P. Bickle","submitted_at":"2024-05-06T20:54:26Z","abstract_excerpt":"We present the discovery of VHS J183135.58$-$551355.9 (hereafter VHS J1831$-$5513), an L/T transition dwarf identified as a result of its unusually red near-infrared colors ($J-K_{\\rm S}=3.633\\pm0.277$ mag; $J-W2=6.249\\pm0.245$ mag) from the VISTA Hemisphere Survey and CatWISE2020 surveys. We obtain low resolution near-infrared spectroscopy of VHS J1831$-$5513 using Magellan/FIRE to confirm its extremely red nature and assess features sensitive to surface gravity (i.e., youth). Its near-infrared spectrum shows multiple CH$_{\\rm 4}$ absorption features, indicating an exceptionally low effective"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.03849","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2405.03849/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":"2026-07-05T08:16:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PaeynD995PFB2KzHLPaN0L49/NLdkPSEBHrdWfYFgH/WtYNCHJcOXOU1AxudQLLLcohQJYZkVmaSbFrIx8QKAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T18:28:17.293800Z"},"content_sha256":"d5e7796279bdc5e9b83d87425a53e16e0cd94c573ce4d109242e2a72a5bed9d7","schema_version":"1.0","event_id":"sha256:d5e7796279bdc5e9b83d87425a53e16e0cd94c573ce4d109242e2a72a5bed9d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA/bundle.json","state_url":"https://pith.science/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA/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":"2026-08-05T18:28:17Z","links":{"resolver":"https://pith.science/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA","bundle":"https://pith.science/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA/bundle.json","state":"https://pith.science/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7JYARSCZGFJQ2ILFOCHSKSHRA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:D7JYARSCZGFJQ2ILFOCHSKSHRA","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":"adae8e04a4be93c917ad9899b75687799e73129c0a2baa7b62bbad0d86139971","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-06T20:54:26Z","title_canon_sha256":"a0bb2d54cbad6ba8b8deba2c21ec82918da24fb64a0290b9bb057a195554ed74"},"schema_version":"1.0","source":{"id":"2405.03849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.03849","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"arxiv_version","alias_value":"2405.03849v1","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.03849","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"pith_short_12","alias_value":"D7JYARSCZGFJ","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"pith_short_16","alias_value":"D7JYARSCZGFJQ2IL","created_at":"2026-07-05T08:16:11Z"},{"alias_kind":"pith_short_8","alias_value":"D7JYARSC","created_at":"2026-07-05T08:16:11Z"}],"graph_snapshots":[{"event_id":"sha256:d5e7796279bdc5e9b83d87425a53e16e0cd94c573ce4d109242e2a72a5bed9d7","target":"graph","created_at":"2026-07-05T08:16:11Z","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/2405.03849/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the discovery of VHS J183135.58$-$551355.9 (hereafter VHS J1831$-$5513), an L/T transition dwarf identified as a result of its unusually red near-infrared colors ($J-K_{\\rm S}=3.633\\pm0.277$ mag; $J-W2=6.249\\pm0.245$ mag) from the VISTA Hemisphere Survey and CatWISE2020 surveys. We obtain low resolution near-infrared spectroscopy of VHS J1831$-$5513 using Magellan/FIRE to confirm its extremely red nature and assess features sensitive to surface gravity (i.e., youth). Its near-infrared spectrum shows multiple CH$_{\\rm 4}$ absorption features, indicating an exceptionally low effective","authors_text":"Aaron M. Meisner, Adam C. Schneider, Adam J. Burgasser, Austin Rothermich, Dan Caselden, Daniella Bardalez Gagliuffi, Federico Marocco, Genaro Su\\'arez, Jacqueline K. Faherty, J. Davy Kirkpatrick, Johanna M. Vos, Jonathan Gagn\\'e, Marc J. Kuchner, Sarah L. Casewell, The Backyard Worlds: Planet 9 Collaboration, Thomas P. Bickle","cross_cats":["astro-ph.EP","astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-06T20:54:26Z","title":"Discovery of the Remarkably Red L/T Transition Object VHS J183135.58-551355.9"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.03849","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:b6d3aba160b1fa6a581f47e5d3c92f137344c122897b3f0b7c864525277da767","target":"record","created_at":"2026-07-05T08:16:11Z","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":"adae8e04a4be93c917ad9899b75687799e73129c0a2baa7b62bbad0d86139971","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-05-06T20:54:26Z","title_canon_sha256":"a0bb2d54cbad6ba8b8deba2c21ec82918da24fb64a0290b9bb057a195554ed74"},"schema_version":"1.0","source":{"id":"2405.03849","kind":"arxiv","version":1}},"canonical_sha256":"1fd3804642c98a98690b2b84792a47880f4595d8f42731df4be3c933322e9512","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fd3804642c98a98690b2b84792a47880f4595d8f42731df4be3c933322e9512","first_computed_at":"2026-07-05T08:16:11.600928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:16:11.600928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qO7ylEaqH0FWhfeLLVnvq1/BTB43zW59SYurzo/I6kvXG3EObHZbg+TTPsfN2gnSAPu9d7HnQ8YAEVsyf17FDA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:16:11.601442Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.03849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6d3aba160b1fa6a581f47e5d3c92f137344c122897b3f0b7c864525277da767","sha256:d5e7796279bdc5e9b83d87425a53e16e0cd94c573ce4d109242e2a72a5bed9d7"],"state_sha256":"5c55dc939c59563f3c35dc0095290fd1756859b3c697c56f974774b2af20dcf7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hYCvdDxAUuTU1m9PRI81eVE8erGi4rhH+fLKyq/aI88uuinThCixC3dbhrJ2YLsc7C/ukPJqJypK4UmxcodfBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T18:28:17.296275Z","bundle_sha256":"776f4bd2b15d4538a768f4a63f55fdc2d02631fab555058d05de8a5b1604b6e1"}}