{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:I7QE7UMFTDEYQOX5GZMF6TOOCD","short_pith_number":"pith:I7QE7UMF","canonical_record":{"source":{"id":"0907.4991","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-29T09:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"825342e415053a5465ccf85852e9e6f0b3b3192644ad87b42186a73b975c153c","abstract_canon_sha256":"0da4bec13b2ec6fc4a0fc1f7f269dae338f089451ce4ef8c04570803544a8322"},"schema_version":"1.0"},"canonical_sha256":"47e04fd18598c9883afd36585f4dce10e133c019b38fbac8ecf4f734e0e3ddb1","source":{"kind":"arxiv","id":"0907.4991","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.4991","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"0907.4991v1","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.4991","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"I7QE7UMFTDEY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"I7QE7UMFTDEYQOX5","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"I7QE7UMF","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:I7QE7UMFTDEYQOX5GZMF6TOOCD","target":"record","payload":{"canonical_record":{"source":{"id":"0907.4991","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-29T09:40:01Z","cross_cats_sorted":[],"title_canon_sha256":"825342e415053a5465ccf85852e9e6f0b3b3192644ad87b42186a73b975c153c","abstract_canon_sha256":"0da4bec13b2ec6fc4a0fc1f7f269dae338f089451ce4ef8c04570803544a8322"},"schema_version":"1.0"},"canonical_sha256":"47e04fd18598c9883afd36585f4dce10e133c019b38fbac8ecf4f734e0e3ddb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:46.909274Z","signature_b64":"DY5A3pobDDlmPo8/RT5/8g01IVzj8M9TS+etHb0ED+t2Iczl5Z2mPGhTZBnjICrLkQm0iq3KZnQRYlIQ0AEDDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47e04fd18598c9883afd36585f4dce10e133c019b38fbac8ecf4f734e0e3ddb1","last_reissued_at":"2026-05-18T02:12:46.908635Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:46.908635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.4991","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":"2026-05-18T02:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AuUl0tYM03TMGhQHIA0hhD3qzZKepnI7ThG8pRzGHmwftHvTrMav7P/58g5Q2tKxHyeLjyWgnHGKsbfo4auuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T13:59:28.443290Z"},"content_sha256":"0800d1c43e94f4da00c22465feb3e1e95e9b2bdecc6d0c42792805ffbf8e96b4","schema_version":"1.0","event_id":"sha256:0800d1c43e94f4da00c22465feb3e1e95e9b2bdecc6d0c42792805ffbf8e96b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:I7QE7UMFTDEYQOX5GZMF6TOOCD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transit spectrophotometry of the exoplanet HD189733b. I. Searching for water but finding haze with HST NICMOS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Lecavelier des Etangs, A. Vidal-Madjar, David K. Sing, G. E. Ballester, G. Hebrard, G. W. Henry, J.-M. Desert, V. Parmentier","submitted_at":"2009-07-29T09:40:01Z","abstract_excerpt":"We present Hubble Space Telescope near-infrared transit photometry of the nearby hot-Jupiter HD189733b. The observations were taken with the NICMOS instrument during five transits, with three transits executed with a narrowband filter at 1.87 microns and two performed with a narrowband filter at 1.66 microns. Our observing strategy using narrowband filters is insensitive to the usual HST intra-orbit and orbit-to-orbit measurement of systematic errors, allowing us to accurately and robustly measure the near-IR wavelength dependance of the planetary radius. Our measurements fail to reproduce the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.4991","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":"2026-05-18T02:12:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kE+CPXXXA2JTyrSc+KbjUwXv67ng6Rg4zEU38drttTh8U30Vhkp85TZr/hmymT6xJphqot+nX1ny4HH2SrC9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T13:59:28.443994Z"},"content_sha256":"fb28f2479c9c3989451e178c0e470f2f5c8e99722cbb719893ea2a7cb2cb071d","schema_version":"1.0","event_id":"sha256:fb28f2479c9c3989451e178c0e470f2f5c8e99722cbb719893ea2a7cb2cb071d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD/bundle.json","state_url":"https://pith.science/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD/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":"2026-05-22T13:59:28Z","links":{"resolver":"https://pith.science/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD","bundle":"https://pith.science/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD/bundle.json","state":"https://pith.science/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I7QE7UMFTDEYQOX5GZMF6TOOCD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:I7QE7UMFTDEYQOX5GZMF6TOOCD","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":"0da4bec13b2ec6fc4a0fc1f7f269dae338f089451ce4ef8c04570803544a8322","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-29T09:40:01Z","title_canon_sha256":"825342e415053a5465ccf85852e9e6f0b3b3192644ad87b42186a73b975c153c"},"schema_version":"1.0","source":{"id":"0907.4991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.4991","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"0907.4991v1","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.4991","created_at":"2026-05-18T02:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"I7QE7UMFTDEY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"I7QE7UMFTDEYQOX5","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"I7QE7UMF","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:fb28f2479c9c3989451e178c0e470f2f5c8e99722cbb719893ea2a7cb2cb071d","target":"graph","created_at":"2026-05-18T02:12:46Z","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 present Hubble Space Telescope near-infrared transit photometry of the nearby hot-Jupiter HD189733b. The observations were taken with the NICMOS instrument during five transits, with three transits executed with a narrowband filter at 1.87 microns and two performed with a narrowband filter at 1.66 microns. Our observing strategy using narrowband filters is insensitive to the usual HST intra-orbit and orbit-to-orbit measurement of systematic errors, allowing us to accurately and robustly measure the near-IR wavelength dependance of the planetary radius. Our measurements fail to reproduce the","authors_text":"A. Lecavelier des Etangs, A. Vidal-Madjar, David K. Sing, G. E. Ballester, G. Hebrard, G. W. Henry, J.-M. Desert, V. Parmentier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-29T09:40:01Z","title":"Transit spectrophotometry of the exoplanet HD189733b. I. Searching for water but finding haze with HST NICMOS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.4991","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":"sha256:0800d1c43e94f4da00c22465feb3e1e95e9b2bdecc6d0c42792805ffbf8e96b4","target":"record","created_at":"2026-05-18T02:12:46Z","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":"0da4bec13b2ec6fc4a0fc1f7f269dae338f089451ce4ef8c04570803544a8322","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-07-29T09:40:01Z","title_canon_sha256":"825342e415053a5465ccf85852e9e6f0b3b3192644ad87b42186a73b975c153c"},"schema_version":"1.0","source":{"id":"0907.4991","kind":"arxiv","version":1}},"canonical_sha256":"47e04fd18598c9883afd36585f4dce10e133c019b38fbac8ecf4f734e0e3ddb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47e04fd18598c9883afd36585f4dce10e133c019b38fbac8ecf4f734e0e3ddb1","first_computed_at":"2026-05-18T02:12:46.908635Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:46.908635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DY5A3pobDDlmPo8/RT5/8g01IVzj8M9TS+etHb0ED+t2Iczl5Z2mPGhTZBnjICrLkQm0iq3KZnQRYlIQ0AEDDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:46.909274Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.4991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0800d1c43e94f4da00c22465feb3e1e95e9b2bdecc6d0c42792805ffbf8e96b4","sha256:fb28f2479c9c3989451e178c0e470f2f5c8e99722cbb719893ea2a7cb2cb071d"],"state_sha256":"cb3799546dda0ed734bed6ebb3761460d3010af331401f448ac4a4c8799d4304"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O4xbhE/a5DN11RgCY4RWV/T+MzPHvZmtMIFdkUtKwBH6gYILsxSNHDH8WZJmJ27s3nBZXWLDF7ZnyJuQr03VCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T13:59:28.447715Z","bundle_sha256":"c449055e15ac04e4e0f2d071c357e88877d2b23eec281e44928b09f7c710aac4"}}