{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:JO3ITZ4D3XMBTAY7XEN4XVTVRG","short_pith_number":"pith:JO3ITZ4D","canonical_record":{"source":{"id":"astro-ph/0007216","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-15T14:22:44Z","cross_cats_sorted":[],"title_canon_sha256":"7a5ecbacda922952dd4f147cd33da18d53649df157585d19f4f4f4bec55bad1b","abstract_canon_sha256":"b35ab5ccdbc5e3b2498cc89dfc00496f435271408771994d411d39e0bd95bf1d"},"schema_version":"1.0"},"canonical_sha256":"4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8","source":{"kind":"arxiv","id":"astro-ph/0007216","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0007216","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0007216v1","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0007216","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"pith_short_12","alias_value":"JO3ITZ4D3XMB","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"pith_short_16","alias_value":"JO3ITZ4D3XMBTAY7","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"pith_short_8","alias_value":"JO3ITZ4D","created_at":"2026-07-04T16:16:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:JO3ITZ4D3XMBTAY7XEN4XVTVRG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0007216","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-15T14:22:44Z","cross_cats_sorted":[],"title_canon_sha256":"7a5ecbacda922952dd4f147cd33da18d53649df157585d19f4f4f4bec55bad1b","abstract_canon_sha256":"b35ab5ccdbc5e3b2498cc89dfc00496f435271408771994d411d39e0bd95bf1d"},"schema_version":"1.0"},"canonical_sha256":"4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:16:54.553587Z","signature_b64":"LCCDyF24x2pj20PrFLhX+LrIGKXrTZakC6mddDEj4zfcd24vYIk4gN7HB2Mt4YEnwJgUOSEkfB0ws87OCDVmAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8","last_reissued_at":"2026-07-04T16:16:54.553033Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:16:54.553033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0007216","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":"2026-07-04T16:16:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"73DFoBTRQAaSS4QXS0dKI5HE7Dr96p/F3D9kNKc1EpvWN5ZYC8vE9a7VSVe8uL2AgSRvO8TPCTELoTbn0VluBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T21:26:37.592127Z"},"content_sha256":"c098995aa7f8e517f4f69076f4b5a871cec875362f3cd3d793cc49f9795816ad","schema_version":"1.0","event_id":"sha256:c098995aa7f8e517f4f69076f4b5a871cec875362f3cd3d793cc49f9795816ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:JO3ITZ4D3XMBTAY7XEN4XVTVRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Sensitive Search for Methane in the Infrared Spectrum of Tau Bootis","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Drake Deming, Gordon Bjoraker, Guenter Wiedemann","submitted_at":"2000-07-15T14:22:44Z","abstract_excerpt":"We have searched for a methane signature in the infrared spectrum of tau Bootis, produced by the planetary companion. The observations comprise 598 low-noise, high resolution spectra near 3.28 microns, which we analyze by cross-correlating with a modeled planetary spectrum based on the work of Burrows and Sharp (1999), and Sudarsky et al. (2000). The 3-sigma random noise level of our analysis is 0.00006 stellar continuum flux units, and the confusion noise limit - measuring the resemblence of a cross-correlation feature to the spectrum of methane - is 0.00025.\n  We find a significant cross-cor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0007216","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/astro-ph/0007216/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":"2026-07-04T16:16:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4te0xxgNcmrb/XDWZ9RYcxoDiA7behEXgayLm6vh00NPr39Fu+DydiKDZKajZOnMPLaG93FkL3RgIuH31LFuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T21:26:37.592521Z"},"content_sha256":"5dcfb6090e4ca957f957a9a858b0eabef8163fe126b34a363156ff889b4f72cc","schema_version":"1.0","event_id":"sha256:5dcfb6090e4ca957f957a9a858b0eabef8163fe126b34a363156ff889b4f72cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG/bundle.json","state_url":"https://pith.science/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG/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":"2026-07-15T21:26:37Z","links":{"resolver":"https://pith.science/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG","bundle":"https://pith.science/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG/bundle.json","state":"https://pith.science/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JO3ITZ4D3XMBTAY7XEN4XVTVRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:JO3ITZ4D3XMBTAY7XEN4XVTVRG","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":"b35ab5ccdbc5e3b2498cc89dfc00496f435271408771994d411d39e0bd95bf1d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-15T14:22:44Z","title_canon_sha256":"7a5ecbacda922952dd4f147cd33da18d53649df157585d19f4f4f4bec55bad1b"},"schema_version":"1.0","source":{"id":"astro-ph/0007216","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0007216","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0007216v1","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0007216","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"pith_short_12","alias_value":"JO3ITZ4D3XMB","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"pith_short_16","alias_value":"JO3ITZ4D3XMBTAY7","created_at":"2026-07-04T16:16:54Z"},{"alias_kind":"pith_short_8","alias_value":"JO3ITZ4D","created_at":"2026-07-04T16:16:54Z"}],"graph_snapshots":[{"event_id":"sha256:5dcfb6090e4ca957f957a9a858b0eabef8163fe126b34a363156ff889b4f72cc","target":"graph","created_at":"2026-07-04T16:16:54Z","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/astro-ph/0007216/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have searched for a methane signature in the infrared spectrum of tau Bootis, produced by the planetary companion. The observations comprise 598 low-noise, high resolution spectra near 3.28 microns, which we analyze by cross-correlating with a modeled planetary spectrum based on the work of Burrows and Sharp (1999), and Sudarsky et al. (2000). The 3-sigma random noise level of our analysis is 0.00006 stellar continuum flux units, and the confusion noise limit - measuring the resemblence of a cross-correlation feature to the spectrum of methane - is 0.00025.\n  We find a significant cross-cor","authors_text":"Drake Deming, Gordon Bjoraker, Guenter Wiedemann","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-07-15T14:22:44Z","title":"A Sensitive Search for Methane in the Infrared Spectrum of Tau Bootis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0007216","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:c098995aa7f8e517f4f69076f4b5a871cec875362f3cd3d793cc49f9795816ad","target":"record","created_at":"2026-07-04T16:16:54Z","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":"b35ab5ccdbc5e3b2498cc89dfc00496f435271408771994d411d39e0bd95bf1d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-15T14:22:44Z","title_canon_sha256":"7a5ecbacda922952dd4f147cd33da18d53649df157585d19f4f4f4bec55bad1b"},"schema_version":"1.0","source":{"id":"astro-ph/0007216","kind":"arxiv","version":1}},"canonical_sha256":"4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bb689e783ddd819831fb91bcbd67589b327f0d871d28d9c87c73fe4411e9ac8","first_computed_at":"2026-07-04T16:16:54.553033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:16:54.553033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LCCDyF24x2pj20PrFLhX+LrIGKXrTZakC6mddDEj4zfcd24vYIk4gN7HB2Mt4YEnwJgUOSEkfB0ws87OCDVmAg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:16:54.553587Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0007216","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c098995aa7f8e517f4f69076f4b5a871cec875362f3cd3d793cc49f9795816ad","sha256:5dcfb6090e4ca957f957a9a858b0eabef8163fe126b34a363156ff889b4f72cc"],"state_sha256":"f4a8f7425ef63f6d82cd0dba83426d6854a27dafb8f872d98b71fe755226f291"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z/yA/It+A2XXlfEjESVoVw6GZuAiC582+pSwCsLE/9fROfS4CES7CP3bHvlc2AixIGZZmvzvzdxjWhjE6a2ABA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-15T21:26:37.595857Z","bundle_sha256":"dee032f66c84ed6a56096c02a6bbb7632a262a8533bd05429d44cf8f2d478a73"}}