{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:E3N2FWLMUTVNMLYJKR2GUJNMZF","short_pith_number":"pith:E3N2FWLM","canonical_record":{"source":{"id":"1007.4378","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-07-26T05:31:52Z","cross_cats_sorted":[],"title_canon_sha256":"a52aff91911fc18d55f13d445fc4e0771fdf408f150ac755deb0f229e5e13c06","abstract_canon_sha256":"6426afc0ec605672dd08511c2abb65bd2c181526c003e86a1e99a059aa61fbf1"},"schema_version":"1.0"},"canonical_sha256":"26dba2d96ca4ead62f0954746a25acc961bb518331160112c478d431e784ee64","source":{"kind":"arxiv","id":"1007.4378","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4378","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4378v1","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4378","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"E3N2FWLMUTVN","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"E3N2FWLMUTVNMLYJ","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"E3N2FWLM","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:E3N2FWLMUTVNMLYJKR2GUJNMZF","target":"record","payload":{"canonical_record":{"source":{"id":"1007.4378","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-07-26T05:31:52Z","cross_cats_sorted":[],"title_canon_sha256":"a52aff91911fc18d55f13d445fc4e0771fdf408f150ac755deb0f229e5e13c06","abstract_canon_sha256":"6426afc0ec605672dd08511c2abb65bd2c181526c003e86a1e99a059aa61fbf1"},"schema_version":"1.0"},"canonical_sha256":"26dba2d96ca4ead62f0954746a25acc961bb518331160112c478d431e784ee64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:08.798098Z","signature_b64":"OfCaXR6cXWVm6+3PtALgPaJ046aLY+x/yIlWQ/kozlX1LlRo4mUqlQ65Klhy/V/gG7UJVvqr9aV0X6i2a2+ICw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26dba2d96ca4ead62f0954746a25acc961bb518331160112c478d431e784ee64","last_reissued_at":"2026-05-18T02:33:08.797553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:08.797553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.4378","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":"2026-05-18T02:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a2JYd9P5flZ8tuCarOlG5WnveTEGoYx0wg27uKhZwym9K2YE+nOnL22TqNuIlUockxt1TT5PqB9WhanC2GUYAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T18:46:19.265414Z"},"content_sha256":"8617f75711a4edd626dc0268bb22e6ddac156248a4f3b9863318fb9e9b37556f","schema_version":"1.0","event_id":"sha256:8617f75711a4edd626dc0268bb22e6ddac156248a4f3b9863318fb9e9b37556f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:E3N2FWLMUTVNMLYJKR2GUJNMZF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The climate of HD 189733b from fourteen transits and eclipses measured by Spitzer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"D. Charbonneau (Harvard-Smithsonian Center for Astrophysics), D. Deming (NASA Goddard Space Flight Center), E. Agol, G. W. Henry (Tennessee State University), H. A. Knutson (UC Berkeley, J. H. Steffen (Fermilab), Kavli Institute for Theoretical Physics, N. B. Cowan (University of Washington, UCSB)","submitted_at":"2010-07-26T05:31:52Z","abstract_excerpt":"We present observations of seven transits and seven eclipses of the transiting planet system HD 189733 taken with Spitzer IRAC at 8 microns. We use a new correction for the detector ramp variation with a double-exponential function. Our main findings are: (1) an upper limit on the variability of the day-side planet flux of 2.7% (68% confidence); (2) the most precise set of transit times measured for a transiting planet, with an average accuracy of 3 seconds; (3) a lack of transit-timing variations, excluding the presence of second planets in this system above 20% of the mass of Mars in low-ord"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4378","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":"2026-05-18T02:33:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CixqQxVuuchILjYLdHmW1P9M+6qzn6L1xR9Pw/XSpHEixnhrbd/l5U+iHw/Qt2ppV8Cuf64j9tajnagYF/2NBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T18:46:19.265759Z"},"content_sha256":"fdbee87e812c3d5fc73efebf785f33fba5dfb6b89fecbead0905c98ba5725117","schema_version":"1.0","event_id":"sha256:fdbee87e812c3d5fc73efebf785f33fba5dfb6b89fecbead0905c98ba5725117"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF/bundle.json","state_url":"https://pith.science/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF/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":"2026-06-28T18:46:19Z","links":{"resolver":"https://pith.science/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF","bundle":"https://pith.science/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF/bundle.json","state":"https://pith.science/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3N2FWLMUTVNMLYJKR2GUJNMZF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:E3N2FWLMUTVNMLYJKR2GUJNMZF","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":"6426afc0ec605672dd08511c2abb65bd2c181526c003e86a1e99a059aa61fbf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-07-26T05:31:52Z","title_canon_sha256":"a52aff91911fc18d55f13d445fc4e0771fdf408f150ac755deb0f229e5e13c06"},"schema_version":"1.0","source":{"id":"1007.4378","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.4378","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"1007.4378v1","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.4378","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"E3N2FWLMUTVN","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"E3N2FWLMUTVNMLYJ","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"E3N2FWLM","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:fdbee87e812c3d5fc73efebf785f33fba5dfb6b89fecbead0905c98ba5725117","target":"graph","created_at":"2026-05-18T02:33:08Z","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 observations of seven transits and seven eclipses of the transiting planet system HD 189733 taken with Spitzer IRAC at 8 microns. We use a new correction for the detector ramp variation with a double-exponential function. Our main findings are: (1) an upper limit on the variability of the day-side planet flux of 2.7% (68% confidence); (2) the most precise set of transit times measured for a transiting planet, with an average accuracy of 3 seconds; (3) a lack of transit-timing variations, excluding the presence of second planets in this system above 20% of the mass of Mars in low-ord","authors_text":"D. Charbonneau (Harvard-Smithsonian Center for Astrophysics), D. Deming (NASA Goddard Space Flight Center), E. Agol, G. W. Henry (Tennessee State University), H. A. Knutson (UC Berkeley, J. H. Steffen (Fermilab), Kavli Institute for Theoretical Physics, N. B. Cowan (University of Washington, UCSB)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-07-26T05:31:52Z","title":"The climate of HD 189733b from fourteen transits and eclipses measured by Spitzer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.4378","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":"sha256:8617f75711a4edd626dc0268bb22e6ddac156248a4f3b9863318fb9e9b37556f","target":"record","created_at":"2026-05-18T02:33:08Z","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":"6426afc0ec605672dd08511c2abb65bd2c181526c003e86a1e99a059aa61fbf1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-07-26T05:31:52Z","title_canon_sha256":"a52aff91911fc18d55f13d445fc4e0771fdf408f150ac755deb0f229e5e13c06"},"schema_version":"1.0","source":{"id":"1007.4378","kind":"arxiv","version":1}},"canonical_sha256":"26dba2d96ca4ead62f0954746a25acc961bb518331160112c478d431e784ee64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26dba2d96ca4ead62f0954746a25acc961bb518331160112c478d431e784ee64","first_computed_at":"2026-05-18T02:33:08.797553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:08.797553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OfCaXR6cXWVm6+3PtALgPaJ046aLY+x/yIlWQ/kozlX1LlRo4mUqlQ65Klhy/V/gG7UJVvqr9aV0X6i2a2+ICw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:08.798098Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.4378","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8617f75711a4edd626dc0268bb22e6ddac156248a4f3b9863318fb9e9b37556f","sha256:fdbee87e812c3d5fc73efebf785f33fba5dfb6b89fecbead0905c98ba5725117"],"state_sha256":"63e15d3be97b82e6e6e11a00c68d9ca97a798998cc6d63dbe5dfbccec5586a47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QTBBpxN7ekl22GuOrtR0tTbtUD5Ih+G5bFXHWUGqeJ3nDP0Sr6/0pRMJAKV7RA1O68meBe7GzZeDaGv/QcajAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T18:46:19.267657Z","bundle_sha256":"3c8b21f9d1277130a09ffe31837b4c775235703d12d303e5424b52b39fa90cd9"}}