{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:AOUNGBZK3UPRLOEKFT2UN2756L","short_pith_number":"pith:AOUNGBZK","canonical_record":{"source":{"id":"astro-ph/0310096","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-03T14:44:12Z","cross_cats_sorted":[],"title_canon_sha256":"5e7c096b607dfb0ab3f1381ff4b67c2685200e5a426eaa2226b0b0e070971ae3","abstract_canon_sha256":"7034f9189e0288ac6ecb2a2029829d881445ceec6866d534486a9f5963aa7d6b"},"schema_version":"1.0"},"canonical_sha256":"03a8d3072add1f15b88a2cf546ebfdf2c0ded42d82b30d8cd48a89854aab825f","source":{"kind":"arxiv","id":"astro-ph/0310096","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310096","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310096v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310096","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"AOUNGBZK3UPR","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"AOUNGBZK3UPRLOEK","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"AOUNGBZK","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:AOUNGBZK3UPRLOEKFT2UN2756L","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0310096","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-03T14:44:12Z","cross_cats_sorted":[],"title_canon_sha256":"5e7c096b607dfb0ab3f1381ff4b67c2685200e5a426eaa2226b0b0e070971ae3","abstract_canon_sha256":"7034f9189e0288ac6ecb2a2029829d881445ceec6866d534486a9f5963aa7d6b"},"schema_version":"1.0"},"canonical_sha256":"03a8d3072add1f15b88a2cf546ebfdf2c0ded42d82b30d8cd48a89854aab825f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:41.441676Z","signature_b64":"sXfE+88lvOHLX0O0sdteT05/EL5RrA6+zopgxPzR1xgbsLEEXAwVZjOVztnWf0X9sWG3hM74N/w2ybFPqhC2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"03a8d3072add1f15b88a2cf546ebfdf2c0ded42d82b30d8cd48a89854aab825f","last_reissued_at":"2026-05-18T04:21:41.441188Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:41.441188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0310096","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tXsgDA71kvG7Au+M3LSuKsOOQvTyfuJRXQSI58viAfEkCiyApSEHtAeylUwhETLpReRJ32kEexGg0DLCwkfVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T21:06:14.196165Z"},"content_sha256":"cca6f4d18a5c4b44f9b203b2b62401d07561bb4bfeaf9edbf5d7478b281720a9","schema_version":"1.0","event_id":"sha256:cca6f4d18a5c4b44f9b203b2b62401d07561bb4bfeaf9edbf5d7478b281720a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:AOUNGBZK3UPRLOEKFT2UN2756L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In flight calibration of the ISGRI camera","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Bazzano, A. Goldwurm, A. Gros, A.J. Bird, A. Sauvageon, A. Segreto, C. Blondel, F. Lebrun, G. Belanger, G. Malaguti, P. David, P. Goldoni, P. Laurent, P. Ubertini, Regis Terrier","submitted_at":"2003-10-03T14:44:12Z","abstract_excerpt":"ISGRI, the IBIS low energy camera (15 keV - 1 MeV) on board INTEGRAL, is the first large CdTe gamma-ray imager in orbit. We present here an overview of the ISGRI in-flight calibrations performed during the first months after launch. We discuss the stability of the camera as well as the CdTe pixels response under cosmic radiation. The energy calibra tions were done using lead and tungsten fluorescence lines and the $\\mathrm{^{22}Na}$ calibration unit. Thermal effects and charge correction algorithm are discussed, and the resulting energy resolution is presented. The ISGRI background spatial and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310096","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":"2026-05-18T04:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pqaJJnz4xmt7GODNA/Y5eOrOPTF3tZyq8WfTziDVuBTnN2q0+B00dc3Rr3CAHBF6YNe4ra9nsaejQHWhGIBMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T21:06:14.196549Z"},"content_sha256":"f8a72297587036a9ee3417513e1e6fe816d150d29806f0d76f2a85d024beec60","schema_version":"1.0","event_id":"sha256:f8a72297587036a9ee3417513e1e6fe816d150d29806f0d76f2a85d024beec60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AOUNGBZK3UPRLOEKFT2UN2756L/bundle.json","state_url":"https://pith.science/pith/AOUNGBZK3UPRLOEKFT2UN2756L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AOUNGBZK3UPRLOEKFT2UN2756L/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":"2026-07-01T21:06:14Z","links":{"resolver":"https://pith.science/pith/AOUNGBZK3UPRLOEKFT2UN2756L","bundle":"https://pith.science/pith/AOUNGBZK3UPRLOEKFT2UN2756L/bundle.json","state":"https://pith.science/pith/AOUNGBZK3UPRLOEKFT2UN2756L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AOUNGBZK3UPRLOEKFT2UN2756L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:AOUNGBZK3UPRLOEKFT2UN2756L","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":"7034f9189e0288ac6ecb2a2029829d881445ceec6866d534486a9f5963aa7d6b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-03T14:44:12Z","title_canon_sha256":"5e7c096b607dfb0ab3f1381ff4b67c2685200e5a426eaa2226b0b0e070971ae3"},"schema_version":"1.0","source":{"id":"astro-ph/0310096","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0310096","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0310096v1","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0310096","created_at":"2026-05-18T04:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"AOUNGBZK3UPR","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"AOUNGBZK3UPRLOEK","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"AOUNGBZK","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:f8a72297587036a9ee3417513e1e6fe816d150d29806f0d76f2a85d024beec60","target":"graph","created_at":"2026-05-18T04:21:41Z","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"},"paper":{"abstract_excerpt":"ISGRI, the IBIS low energy camera (15 keV - 1 MeV) on board INTEGRAL, is the first large CdTe gamma-ray imager in orbit. We present here an overview of the ISGRI in-flight calibrations performed during the first months after launch. We discuss the stability of the camera as well as the CdTe pixels response under cosmic radiation. The energy calibra tions were done using lead and tungsten fluorescence lines and the $\\mathrm{^{22}Na}$ calibration unit. Thermal effects and charge correction algorithm are discussed, and the resulting energy resolution is presented. The ISGRI background spatial and","authors_text":"A. Bazzano, A. Goldwurm, A. Gros, A.J. Bird, A. Sauvageon, A. Segreto, C. Blondel, F. Lebrun, G. Belanger, G. Malaguti, P. David, P. Goldoni, P. Laurent, P. Ubertini, Regis Terrier","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-10-03T14:44:12Z","title":"In flight calibration of the ISGRI camera"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0310096","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:cca6f4d18a5c4b44f9b203b2b62401d07561bb4bfeaf9edbf5d7478b281720a9","target":"record","created_at":"2026-05-18T04:21:41Z","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":"7034f9189e0288ac6ecb2a2029829d881445ceec6866d534486a9f5963aa7d6b","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-10-03T14:44:12Z","title_canon_sha256":"5e7c096b607dfb0ab3f1381ff4b67c2685200e5a426eaa2226b0b0e070971ae3"},"schema_version":"1.0","source":{"id":"astro-ph/0310096","kind":"arxiv","version":1}},"canonical_sha256":"03a8d3072add1f15b88a2cf546ebfdf2c0ded42d82b30d8cd48a89854aab825f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"03a8d3072add1f15b88a2cf546ebfdf2c0ded42d82b30d8cd48a89854aab825f","first_computed_at":"2026-05-18T04:21:41.441188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:41.441188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sXfE+88lvOHLX0O0sdteT05/EL5RrA6+zopgxPzR1xgbsLEEXAwVZjOVztnWf0X9sWG3hM74N/w2ybFPqhC2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:41.441676Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0310096","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cca6f4d18a5c4b44f9b203b2b62401d07561bb4bfeaf9edbf5d7478b281720a9","sha256:f8a72297587036a9ee3417513e1e6fe816d150d29806f0d76f2a85d024beec60"],"state_sha256":"98970169f7adbc963501e0c0b66ad3bf2fdf0ed1265a9bc62046cdc16d0d8162"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hiiEmRePSf9c+yll8hHoWbpvPbWt8K3blYFUbTXDMCBPcFKhs1AFqswR8RaT/QkutCqh4e/U1up7K6+wWjKWAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T21:06:14.199589Z","bundle_sha256":"1d460be7be5723469c53bc84b62d21a8496c6244f7167d355c5f48442ef63b0b"}}