{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:KCZNJ6Q2IVTX7FGKSN5SODHRIZ","short_pith_number":"pith:KCZNJ6Q2","canonical_record":{"source":{"id":"2407.12290","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-17T03:23:03Z","cross_cats_sorted":[],"title_canon_sha256":"343a3cae245addfcb282c8f1eae8a1e565b0a153576837da6838e8a1500b39cd","abstract_canon_sha256":"d3cb2195c5187fc27a4d1f4e21c69adbc8e60ffaa548d4bc1a89f86e618c7c7c"},"schema_version":"1.0"},"canonical_sha256":"50b2d4fa1a45677f94ca937b270cf14673113d6df389d14599cc747e61dbebd4","source":{"kind":"arxiv","id":"2407.12290","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.12290","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"2407.12290v2","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.12290","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"KCZNJ6Q2IVTX","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"pith_short_16","alias_value":"KCZNJ6Q2IVTX7FGK","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"pith_short_8","alias_value":"KCZNJ6Q2","created_at":"2026-07-05T09:22:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:KCZNJ6Q2IVTX7FGKSN5SODHRIZ","target":"record","payload":{"canonical_record":{"source":{"id":"2407.12290","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-17T03:23:03Z","cross_cats_sorted":[],"title_canon_sha256":"343a3cae245addfcb282c8f1eae8a1e565b0a153576837da6838e8a1500b39cd","abstract_canon_sha256":"d3cb2195c5187fc27a4d1f4e21c69adbc8e60ffaa548d4bc1a89f86e618c7c7c"},"schema_version":"1.0"},"canonical_sha256":"50b2d4fa1a45677f94ca937b270cf14673113d6df389d14599cc747e61dbebd4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:22:41.324140Z","signature_b64":"kegPUNKXujJJQrGVsA+aMcLrqMjPc9uuTY1VM7PTQydeIU83Ap4gyFF0MUdtUozjmHLnZDlhktyPWTCrBNLiDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50b2d4fa1a45677f94ca937b270cf14673113d6df389d14599cc747e61dbebd4","last_reissued_at":"2026-07-05T09:22:41.323623Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:22:41.323623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.12290","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":"2026-07-05T09:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5g9pqTkiHSvCUushrSsUTOv0LyMSri9rMRmZoUhLrS0f9f6XgsHeclGZ8AyOk/kSLyaWgHN8wpSjGO/JXl/RCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:03:31.643541Z"},"content_sha256":"31e49811edae1be5b1ebb170020cd9a02303f2cb303a4ec7dc20dc57e503a873","schema_version":"1.0","event_id":"sha256:31e49811edae1be5b1ebb170020cd9a02303f2cb303a4ec7dc20dc57e503a873"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:KCZNJ6Q2IVTX7FGKSN5SODHRIZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SKYSURF VI: The Impact of Thermal Variations of HST on Background Light Estimates","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Isabel A. McIntyre, John MacKenty, Rogier A. Windhorst, Rolf A. Jansen, Rosalia O'Brien, Sarah Caddy, Scott J. Kenyon, Seth H. Cohen, Timothy Carleton","submitted_at":"2024-07-17T03:23:03Z","abstract_excerpt":"The SKYSURF project constrained extragalactic background light (EBL) and diffuse light with the vast archive of Hubble Space Telescope (HST) images. Thermal emission from HST itself introduces an additional uncertain background and hinders accurate measurement of the diffuse light level. Here, we use archival WFC3/IR engineering data to investigate and model changes in the temperature of various components in HST's optical path as a function of time (solar cycle) and time of the year (Earth-Sun distance). We also specifically investigate changes in temperature with HST's orbital phase and time"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.12290","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.12290/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":"2026-07-05T09:22:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3z1DrMFOFTMJlWJdOTvnMnybsxzqGsVktNG3ry4FH7wmc+lxpofrZ06jSCiS+fKptjLlll+TtiycEM7VG5KyBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:03:31.643922Z"},"content_sha256":"67d44954d70d740dae5c3040d50e3a26c4e1bd2ffa5fb2c79267ca996856372e","schema_version":"1.0","event_id":"sha256:67d44954d70d740dae5c3040d50e3a26c4e1bd2ffa5fb2c79267ca996856372e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ/bundle.json","state_url":"https://pith.science/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ/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":"2026-07-07T03:03:31Z","links":{"resolver":"https://pith.science/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ","bundle":"https://pith.science/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ/bundle.json","state":"https://pith.science/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KCZNJ6Q2IVTX7FGKSN5SODHRIZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:KCZNJ6Q2IVTX7FGKSN5SODHRIZ","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":"d3cb2195c5187fc27a4d1f4e21c69adbc8e60ffaa548d4bc1a89f86e618c7c7c","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-17T03:23:03Z","title_canon_sha256":"343a3cae245addfcb282c8f1eae8a1e565b0a153576837da6838e8a1500b39cd"},"schema_version":"1.0","source":{"id":"2407.12290","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.12290","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"arxiv_version","alias_value":"2407.12290v2","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.12290","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"pith_short_12","alias_value":"KCZNJ6Q2IVTX","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"pith_short_16","alias_value":"KCZNJ6Q2IVTX7FGK","created_at":"2026-07-05T09:22:41Z"},{"alias_kind":"pith_short_8","alias_value":"KCZNJ6Q2","created_at":"2026-07-05T09:22:41Z"}],"graph_snapshots":[{"event_id":"sha256:67d44954d70d740dae5c3040d50e3a26c4e1bd2ffa5fb2c79267ca996856372e","target":"graph","created_at":"2026-07-05T09:22:41Z","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/2407.12290/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The SKYSURF project constrained extragalactic background light (EBL) and diffuse light with the vast archive of Hubble Space Telescope (HST) images. Thermal emission from HST itself introduces an additional uncertain background and hinders accurate measurement of the diffuse light level. Here, we use archival WFC3/IR engineering data to investigate and model changes in the temperature of various components in HST's optical path as a function of time (solar cycle) and time of the year (Earth-Sun distance). We also specifically investigate changes in temperature with HST's orbital phase and time","authors_text":"Isabel A. McIntyre, John MacKenty, Rogier A. Windhorst, Rolf A. Jansen, Rosalia O'Brien, Sarah Caddy, Scott J. Kenyon, Seth H. Cohen, Timothy Carleton","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-17T03:23:03Z","title":"SKYSURF VI: The Impact of Thermal Variations of HST on Background Light Estimates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.12290","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":"sha256:31e49811edae1be5b1ebb170020cd9a02303f2cb303a4ec7dc20dc57e503a873","target":"record","created_at":"2026-07-05T09:22:41Z","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":"d3cb2195c5187fc27a4d1f4e21c69adbc8e60ffaa548d4bc1a89f86e618c7c7c","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-17T03:23:03Z","title_canon_sha256":"343a3cae245addfcb282c8f1eae8a1e565b0a153576837da6838e8a1500b39cd"},"schema_version":"1.0","source":{"id":"2407.12290","kind":"arxiv","version":2}},"canonical_sha256":"50b2d4fa1a45677f94ca937b270cf14673113d6df389d14599cc747e61dbebd4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50b2d4fa1a45677f94ca937b270cf14673113d6df389d14599cc747e61dbebd4","first_computed_at":"2026-07-05T09:22:41.323623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:22:41.323623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kegPUNKXujJJQrGVsA+aMcLrqMjPc9uuTY1VM7PTQydeIU83Ap4gyFF0MUdtUozjmHLnZDlhktyPWTCrBNLiDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:22:41.324140Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.12290","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31e49811edae1be5b1ebb170020cd9a02303f2cb303a4ec7dc20dc57e503a873","sha256:67d44954d70d740dae5c3040d50e3a26c4e1bd2ffa5fb2c79267ca996856372e"],"state_sha256":"5f35ed1274afa0b0c04a73beba4679185b9815bdc71c5e93614934ed5368e125"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wPuPoBCMmVolHvkwRYEEwI4IXv2wZlhEeBAESzE5lrNiKIX6bMlKbfS/KQxNqOk905bHYNp3Pn7LojRIm/3bCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:03:31.645882Z","bundle_sha256":"b699ee3cd19ee9d890672693fb2a3e73adbe00c2667fc1946852f60ba655b3f6"}}