{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4IDWP34ZPJN7XGSCSGCWQPVDIC","short_pith_number":"pith:4IDWP34Z","canonical_record":{"source":{"id":"1306.0610","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T22:11:36Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"a92bedaefd7bd60a8d80e3027d69b22272e2be774794c1d73a8f05804d8af396","abstract_canon_sha256":"3d42631e8f8917a3165d9e9d508caf768973bac29e17380e0f60607011b577d9"},"schema_version":"1.0"},"canonical_sha256":"e20767ef997a5bfb9a429185683ea340aa834f3545acb6b72148bdccb6606661","source":{"kind":"arxiv","id":"1306.0610","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0610","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0610v2","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0610","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"pith_short_12","alias_value":"4IDWP34ZPJN7","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4IDWP34ZPJN7XGSC","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4IDWP34Z","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4IDWP34ZPJN7XGSCSGCWQPVDIC","target":"record","payload":{"canonical_record":{"source":{"id":"1306.0610","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T22:11:36Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"a92bedaefd7bd60a8d80e3027d69b22272e2be774794c1d73a8f05804d8af396","abstract_canon_sha256":"3d42631e8f8917a3165d9e9d508caf768973bac29e17380e0f60607011b577d9"},"schema_version":"1.0"},"canonical_sha256":"e20767ef997a5bfb9a429185683ea340aa834f3545acb6b72148bdccb6606661","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:33.368812Z","signature_b64":"3MaA6TNRvBEL420M+5rlqZyh+/YcpkLcwH9lQbaa94dA1JQl20Iu2hU8bKZDMqXH6MI/0fdddRAarOaBNKyjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e20767ef997a5bfb9a429185683ea340aa834f3545acb6b72148bdccb6606661","last_reissued_at":"2026-05-18T01:49:33.368391Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:33.368391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.0610","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:49:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X8gaKik1UvOymJyxEPtT+LKpiirffgDH7bq1gschMQU2BCFvKxtK5+1SovKEszi5JqHwQ498Q68Iz/keydWOCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:18:19.422122Z"},"content_sha256":"b060766007c6b1f459c3b1ddffc7e3d28b47b692331d3464fe15f2a1d286d4ea","schema_version":"1.0","event_id":"sha256:b060766007c6b1f459c3b1ddffc7e3d28b47b692331d3464fe15f2a1d286d4ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4IDWP34ZPJN7XGSCSGCWQPVDIC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Combined VLT and Gemini Study of the Atmosphere of the Directly-Imaged Planet, beta Pictoris b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Adam Burrows, Ben Bromley, John Chambers, Julien H. Girard, Marc Kuchner, Misato Fukagawa, Nikku Madhusudhan, Ray Jayawardhana, Rebekah Dawson, Ruth Murray-Clay, Scott Kenyon, Soko Matsumura, Thayne Currie","submitted_at":"2013-06-03T22:11:36Z","abstract_excerpt":"We analyze new/archival VLT/NaCo and Gemini/NICI high-contrast imaging of the young, self-luminous planet $\\beta$ Pictoris b in seven near-to-mid IR photometric filters, using advanced image processing methods to achieve high signal-to-noise, high precision measurements. While $\\beta$ Pic b's near-IR colors mimick that of a standard, cloudy early-to-mid L dwarf, it is overluminous in the mid-infrared compared to the field L/T dwarf sequence. Few substellar/planet-mass objects -- i.e. $\\kappa$ And b and 1RXJ 1609B -- match $\\beta$ Pic b's $JHK_{s}L^\\prime$ photometry, and its 3.1 $\\mu m$ and 5 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0610","kind":"arxiv","version":2},"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":"2026-05-18T01:49:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aqWOMHvRoaoZkTUgDOzt8rzw+won6LldB1BArPm5W6l2HFexGgrNtZigamLBuBhI4cayVXKCQRHLCCs4BRfTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T05:18:19.422488Z"},"content_sha256":"078ec5eaa6de36aa2ca6ffba909ec486ed50ae3031d00701c84c22dd7c5f8c44","schema_version":"1.0","event_id":"sha256:078ec5eaa6de36aa2ca6ffba909ec486ed50ae3031d00701c84c22dd7c5f8c44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC/bundle.json","state_url":"https://pith.science/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC/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":"2026-06-01T05:18:19Z","links":{"resolver":"https://pith.science/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC","bundle":"https://pith.science/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC/bundle.json","state":"https://pith.science/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4IDWP34ZPJN7XGSCSGCWQPVDIC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4IDWP34ZPJN7XGSCSGCWQPVDIC","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":"3d42631e8f8917a3165d9e9d508caf768973bac29e17380e0f60607011b577d9","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T22:11:36Z","title_canon_sha256":"a92bedaefd7bd60a8d80e3027d69b22272e2be774794c1d73a8f05804d8af396"},"schema_version":"1.0","source":{"id":"1306.0610","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0610","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0610v2","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0610","created_at":"2026-05-18T01:49:33Z"},{"alias_kind":"pith_short_12","alias_value":"4IDWP34ZPJN7","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4IDWP34ZPJN7XGSC","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4IDWP34Z","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:078ec5eaa6de36aa2ca6ffba909ec486ed50ae3031d00701c84c22dd7c5f8c44","target":"graph","created_at":"2026-05-18T01:49:33Z","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 analyze new/archival VLT/NaCo and Gemini/NICI high-contrast imaging of the young, self-luminous planet $\\beta$ Pictoris b in seven near-to-mid IR photometric filters, using advanced image processing methods to achieve high signal-to-noise, high precision measurements. While $\\beta$ Pic b's near-IR colors mimick that of a standard, cloudy early-to-mid L dwarf, it is overluminous in the mid-infrared compared to the field L/T dwarf sequence. Few substellar/planet-mass objects -- i.e. $\\kappa$ And b and 1RXJ 1609B -- match $\\beta$ Pic b's $JHK_{s}L^\\prime$ photometry, and its 3.1 $\\mu m$ and 5 ","authors_text":"Adam Burrows, Ben Bromley, John Chambers, Julien H. Girard, Marc Kuchner, Misato Fukagawa, Nikku Madhusudhan, Ray Jayawardhana, Rebekah Dawson, Ruth Murray-Clay, Scott Kenyon, Soko Matsumura, Thayne Currie","cross_cats":["astro-ph.IM","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T22:11:36Z","title":"A Combined VLT and Gemini Study of the Atmosphere of the Directly-Imaged Planet, beta Pictoris b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0610","kind":"arxiv","version":2},"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:b060766007c6b1f459c3b1ddffc7e3d28b47b692331d3464fe15f2a1d286d4ea","target":"record","created_at":"2026-05-18T01:49:33Z","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":"3d42631e8f8917a3165d9e9d508caf768973bac29e17380e0f60607011b577d9","cross_cats_sorted":["astro-ph.IM","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-03T22:11:36Z","title_canon_sha256":"a92bedaefd7bd60a8d80e3027d69b22272e2be774794c1d73a8f05804d8af396"},"schema_version":"1.0","source":{"id":"1306.0610","kind":"arxiv","version":2}},"canonical_sha256":"e20767ef997a5bfb9a429185683ea340aa834f3545acb6b72148bdccb6606661","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e20767ef997a5bfb9a429185683ea340aa834f3545acb6b72148bdccb6606661","first_computed_at":"2026-05-18T01:49:33.368391Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:33.368391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3MaA6TNRvBEL420M+5rlqZyh+/YcpkLcwH9lQbaa94dA1JQl20Iu2hU8bKZDMqXH6MI/0fdddRAarOaBNKyjCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:33.368812Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0610","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b060766007c6b1f459c3b1ddffc7e3d28b47b692331d3464fe15f2a1d286d4ea","sha256:078ec5eaa6de36aa2ca6ffba909ec486ed50ae3031d00701c84c22dd7c5f8c44"],"state_sha256":"06093b4758537a8594446dff9d2a85f8d5cc9273e4758897a8b26159837c11ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QiZ5erh4NSj6ynwJqqrdb0KPSrX6wcagi7KZFxzlHpcasj7TYP8EWRgEuN7Fgkx/Ssl25iAg+PN+9QGEoYCzCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T05:18:19.424389Z","bundle_sha256":"46aa74babb79162d3c5d3c2611995a90806ed1de9d2d622c679deebf3baf78bc"}}