{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IAEPOP4AB5XAZPZOB5NAVBOBKY","short_pith_number":"pith:IAEPOP4A","canonical_record":{"source":{"id":"1008.0393","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-02T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"2c2bb51f004712f51545a0662bb4e2ed6645a9461a07a17317bf42081add4a31","abstract_canon_sha256":"2ab24f266e02653a7588de29b27fbdf28ffcc7f097bfb798cd08729e1032d11d"},"schema_version":"1.0"},"canonical_sha256":"4008f73f800f6e0cbf2e0f5a0a85c1560ec1c3625820e2d3d81da8bb6f2c3c07","source":{"kind":"arxiv","id":"1008.0393","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.0393","created_at":"2026-05-18T04:24:54Z"},{"alias_kind":"arxiv_version","alias_value":"1008.0393v1","created_at":"2026-05-18T04:24:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.0393","created_at":"2026-05-18T04:24:54Z"},{"alias_kind":"pith_short_12","alias_value":"IAEPOP4AB5XA","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IAEPOP4AB5XAZPZO","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IAEPOP4A","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IAEPOP4AB5XAZPZOB5NAVBOBKY","target":"record","payload":{"canonical_record":{"source":{"id":"1008.0393","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-02T20:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"2c2bb51f004712f51545a0662bb4e2ed6645a9461a07a17317bf42081add4a31","abstract_canon_sha256":"2ab24f266e02653a7588de29b27fbdf28ffcc7f097bfb798cd08729e1032d11d"},"schema_version":"1.0"},"canonical_sha256":"4008f73f800f6e0cbf2e0f5a0a85c1560ec1c3625820e2d3d81da8bb6f2c3c07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:54.436402Z","signature_b64":"qWND45UctyRdGx2D7pB8QoU93RnQql+oV9LoztPUOtypfMrLkER+ilY8Rc1ogx5Hhxvn280RcOMgRNeND0ZlAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4008f73f800f6e0cbf2e0f5a0a85c1560ec1c3625820e2d3d81da8bb6f2c3c07","last_reissued_at":"2026-05-18T04:24:54.435922Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:54.435922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.0393","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":"2026-05-18T04:24:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X9FtYk1ZYtT8YRT9z3D7qYk84vIMDjxrxbw4gynTbjo7xZJ6DHSpWlWiP2vWsu74/Wdi77UNIIVOBrblIY40Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:56:57.501088Z"},"content_sha256":"810124879e85e2491445a3dfb446774bade8c918c89a8d63102a092eaa8fca5e","schema_version":"1.0","event_id":"sha256:810124879e85e2491445a3dfb446774bade8c918c89a8d63102a092eaa8fca5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IAEPOP4AB5XAZPZOB5NAVBOBKY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New 24 micron Phase Curve for upsilon Andromedae b","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Brad M. S. Hansen, Drake Deming, Ian J. Crossfield, James Y-K. Cho, Joseph Harrington, Kristen Menou, Sara Seager","submitted_at":"2010-08-02T20:00:02Z","abstract_excerpt":"We report the detection of 24 micron variations from the planet-hosting upsilon Andromedae system consistent with the orbital periodicity of the system's innermost planet, upsilon And b. We find a peak-to-valley phase curve amplitude of 0.00130 times the mean system flux. Using a simple model with two hemispheres of constant surface brightness and assuming a planetary radius of 1.3 Jupiter radii gives a planetary temperature contrast of >900 K and an orbital inclination of >28 degrees. We further report the largest phase offset yet observed for an extrasolar planet: the flux maximum occurs ~80"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.0393","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":"2026-05-18T04:24:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PEN1A6Iqsq0Qc4kniwsaywdcGytDit81qFX2GLpKrdw0lF6nS3M4P6sqvVm+yIoEPKqnQOfF96FQeLPSgBj0Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:56:57.501679Z"},"content_sha256":"ea7e7f5c056fb1a6a46ea4dac690a4e8f8c0552ffdcc2652ce897cc95e377b99","schema_version":"1.0","event_id":"sha256:ea7e7f5c056fb1a6a46ea4dac690a4e8f8c0552ffdcc2652ce897cc95e377b99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY/bundle.json","state_url":"https://pith.science/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY/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":"2026-05-26T13:56:57Z","links":{"resolver":"https://pith.science/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY","bundle":"https://pith.science/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY/bundle.json","state":"https://pith.science/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IAEPOP4AB5XAZPZOB5NAVBOBKY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IAEPOP4AB5XAZPZOB5NAVBOBKY","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":"2ab24f266e02653a7588de29b27fbdf28ffcc7f097bfb798cd08729e1032d11d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-02T20:00:02Z","title_canon_sha256":"2c2bb51f004712f51545a0662bb4e2ed6645a9461a07a17317bf42081add4a31"},"schema_version":"1.0","source":{"id":"1008.0393","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.0393","created_at":"2026-05-18T04:24:54Z"},{"alias_kind":"arxiv_version","alias_value":"1008.0393v1","created_at":"2026-05-18T04:24:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.0393","created_at":"2026-05-18T04:24:54Z"},{"alias_kind":"pith_short_12","alias_value":"IAEPOP4AB5XA","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IAEPOP4AB5XAZPZO","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IAEPOP4A","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:ea7e7f5c056fb1a6a46ea4dac690a4e8f8c0552ffdcc2652ce897cc95e377b99","target":"graph","created_at":"2026-05-18T04:24:54Z","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"},"paper":{"abstract_excerpt":"We report the detection of 24 micron variations from the planet-hosting upsilon Andromedae system consistent with the orbital periodicity of the system's innermost planet, upsilon And b. We find a peak-to-valley phase curve amplitude of 0.00130 times the mean system flux. Using a simple model with two hemispheres of constant surface brightness and assuming a planetary radius of 1.3 Jupiter radii gives a planetary temperature contrast of >900 K and an orbital inclination of >28 degrees. We further report the largest phase offset yet observed for an extrasolar planet: the flux maximum occurs ~80","authors_text":"Brad M. S. Hansen, Drake Deming, Ian J. Crossfield, James Y-K. Cho, Joseph Harrington, Kristen Menou, Sara Seager","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-02T20:00:02Z","title":"A New 24 micron Phase Curve for upsilon Andromedae b"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.0393","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":"sha256:810124879e85e2491445a3dfb446774bade8c918c89a8d63102a092eaa8fca5e","target":"record","created_at":"2026-05-18T04:24:54Z","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":"2ab24f266e02653a7588de29b27fbdf28ffcc7f097bfb798cd08729e1032d11d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-08-02T20:00:02Z","title_canon_sha256":"2c2bb51f004712f51545a0662bb4e2ed6645a9461a07a17317bf42081add4a31"},"schema_version":"1.0","source":{"id":"1008.0393","kind":"arxiv","version":1}},"canonical_sha256":"4008f73f800f6e0cbf2e0f5a0a85c1560ec1c3625820e2d3d81da8bb6f2c3c07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4008f73f800f6e0cbf2e0f5a0a85c1560ec1c3625820e2d3d81da8bb6f2c3c07","first_computed_at":"2026-05-18T04:24:54.435922Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:54.435922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qWND45UctyRdGx2D7pB8QoU93RnQql+oV9LoztPUOtypfMrLkER+ilY8Rc1ogx5Hhxvn280RcOMgRNeND0ZlAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:54.436402Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.0393","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:810124879e85e2491445a3dfb446774bade8c918c89a8d63102a092eaa8fca5e","sha256:ea7e7f5c056fb1a6a46ea4dac690a4e8f8c0552ffdcc2652ce897cc95e377b99"],"state_sha256":"e62dc78f2ee84bbc73fd3f52079c648f8dc697aad3179a675ba7b621b8fd2b44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vf/yICjFqW63z5GHI3oSYToFNqDyxQ4+hPcgN10kNWW8FMG8+vLSMfK8J/sfIpXa19jACMw2z4WCrfnJfJ1HBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:56:57.504620Z","bundle_sha256":"35c12c7ab57751faf41f0c9d31cbbcb0c1633a74296298411423ddcb1470623e"}}