{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YRPYOJ2KFZ7U27OOGDIIGQ3XAV","short_pith_number":"pith:YRPYOJ2K","canonical_record":{"source":{"id":"2506.02271","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-06-02T21:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"d64888a18071d97b4c3c4780e4221381868b6e0b741d1df688fdb07cc7d9bd3a","abstract_canon_sha256":"464130bb23273a664b875977b2e7c57050c5de5bf42d45126095dcde0a4e4dbb"},"schema_version":"1.0"},"canonical_sha256":"c45f87274a2e7f4d7dce30d0834377054b87bc96bc0015c63584d002ae279e8b","source":{"kind":"arxiv","id":"2506.02271","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02271","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02271v2","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02271","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"pith_short_12","alias_value":"YRPYOJ2KFZ7U","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"pith_short_16","alias_value":"YRPYOJ2KFZ7U27OO","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"pith_short_8","alias_value":"YRPYOJ2K","created_at":"2026-07-05T11:26:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YRPYOJ2KFZ7U27OOGDIIGQ3XAV","target":"record","payload":{"canonical_record":{"source":{"id":"2506.02271","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-06-02T21:31:18Z","cross_cats_sorted":[],"title_canon_sha256":"d64888a18071d97b4c3c4780e4221381868b6e0b741d1df688fdb07cc7d9bd3a","abstract_canon_sha256":"464130bb23273a664b875977b2e7c57050c5de5bf42d45126095dcde0a4e4dbb"},"schema_version":"1.0"},"canonical_sha256":"c45f87274a2e7f4d7dce30d0834377054b87bc96bc0015c63584d002ae279e8b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:26:52.130726Z","signature_b64":"g+uc+dHt1kJ0UM3KErYd7ClizC/PyZJ1tbu+xYXISNNWIi1XlJzszWA7f0cbQSC9rD+oZg7YK/1vj0hEx5AnCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c45f87274a2e7f4d7dce30d0834377054b87bc96bc0015c63584d002ae279e8b","last_reissued_at":"2026-07-05T11:26:52.130231Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:26:52.130231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.02271","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":"2026-07-05T11:26:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBaNJ2b8QWncrpj+r3IW6ow2XikdIYqwIkt3hRvw4Zc9g8qK9cR73qOgomEf1fFTDkfAE+PBZYsFeh/4/N5pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T08:34:17.065958Z"},"content_sha256":"0c3acd8331282f32bd4a36e6a4a0daaa557bd725faa6b52ca232d8156307d0b7","schema_version":"1.0","event_id":"sha256:0c3acd8331282f32bd4a36e6a4a0daaa557bd725faa6b52ca232d8156307d0b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YRPYOJ2KFZ7U27OOGDIIGQ3XAV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prediction of the SVOM MXT camera end of life spectral performance based on proton irradiation results","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Aline Meuris, Clara Plasse, Diego G\\\"otz, Francesco Ceraudo, Leo Favier, Miguel Fernandez Moita, Philippe Ferrando","submitted_at":"2025-06-02T21:31:18Z","abstract_excerpt":"SVOM, the Space-based Variable astronomical Object Monitor, launched on June 22nd 2024, is a Chinese-French mission focused on exploring the brightest phenomena in the cosmos - Gamma-Ray Bursts. Among the four instruments on board is the Micro-channel X-ray Telescope (MXT). The MXT camera features a 256x256 pixel pnCCD detector to perform X-ray imaging and spectroscopy in the 0.2-10 keV energy range. Cruising in a low-Earth orbit (600 km) that crosses the South Atlantic Anomaly, the MXT focal plane is exposed to radiation, primarily protons, that will lead to performance degradation over time."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02271","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/2506.02271/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":"2026-07-05T11:26:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfonG7KWWWBueD2vuBR7Qe58peK+IvkLvWdET9jW7U7z3w5qVHBvc23Fqi5oLDkrLWvc4b4shv6yjGjnCwhJCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T08:34:17.066498Z"},"content_sha256":"c4268725dff92baa417d58f1c92ef097e8d3ab572d60be46f7042addf745979a","schema_version":"1.0","event_id":"sha256:c4268725dff92baa417d58f1c92ef097e8d3ab572d60be46f7042addf745979a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV/bundle.json","state_url":"https://pith.science/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV/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":"2026-08-08T08:34:17Z","links":{"resolver":"https://pith.science/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV","bundle":"https://pith.science/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV/bundle.json","state":"https://pith.science/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YRPYOJ2KFZ7U27OOGDIIGQ3XAV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YRPYOJ2KFZ7U27OOGDIIGQ3XAV","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":"464130bb23273a664b875977b2e7c57050c5de5bf42d45126095dcde0a4e4dbb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-06-02T21:31:18Z","title_canon_sha256":"d64888a18071d97b4c3c4780e4221381868b6e0b741d1df688fdb07cc7d9bd3a"},"schema_version":"1.0","source":{"id":"2506.02271","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02271","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02271v2","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02271","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"pith_short_12","alias_value":"YRPYOJ2KFZ7U","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"pith_short_16","alias_value":"YRPYOJ2KFZ7U27OO","created_at":"2026-07-05T11:26:52Z"},{"alias_kind":"pith_short_8","alias_value":"YRPYOJ2K","created_at":"2026-07-05T11:26:52Z"}],"graph_snapshots":[{"event_id":"sha256:c4268725dff92baa417d58f1c92ef097e8d3ab572d60be46f7042addf745979a","target":"graph","created_at":"2026-07-05T11:26:52Z","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/2506.02271/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"SVOM, the Space-based Variable astronomical Object Monitor, launched on June 22nd 2024, is a Chinese-French mission focused on exploring the brightest phenomena in the cosmos - Gamma-Ray Bursts. Among the four instruments on board is the Micro-channel X-ray Telescope (MXT). The MXT camera features a 256x256 pixel pnCCD detector to perform X-ray imaging and spectroscopy in the 0.2-10 keV energy range. Cruising in a low-Earth orbit (600 km) that crosses the South Atlantic Anomaly, the MXT focal plane is exposed to radiation, primarily protons, that will lead to performance degradation over time.","authors_text":"Aline Meuris, Clara Plasse, Diego G\\\"otz, Francesco Ceraudo, Leo Favier, Miguel Fernandez Moita, Philippe Ferrando","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-06-02T21:31:18Z","title":"Prediction of the SVOM MXT camera end of life spectral performance based on proton irradiation results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02271","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":"sha256:0c3acd8331282f32bd4a36e6a4a0daaa557bd725faa6b52ca232d8156307d0b7","target":"record","created_at":"2026-07-05T11:26:52Z","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":"464130bb23273a664b875977b2e7c57050c5de5bf42d45126095dcde0a4e4dbb","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2025-06-02T21:31:18Z","title_canon_sha256":"d64888a18071d97b4c3c4780e4221381868b6e0b741d1df688fdb07cc7d9bd3a"},"schema_version":"1.0","source":{"id":"2506.02271","kind":"arxiv","version":2}},"canonical_sha256":"c45f87274a2e7f4d7dce30d0834377054b87bc96bc0015c63584d002ae279e8b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c45f87274a2e7f4d7dce30d0834377054b87bc96bc0015c63584d002ae279e8b","first_computed_at":"2026-07-05T11:26:52.130231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:26:52.130231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g+uc+dHt1kJ0UM3KErYd7ClizC/PyZJ1tbu+xYXISNNWIi1XlJzszWA7f0cbQSC9rD+oZg7YK/1vj0hEx5AnCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:26:52.130726Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.02271","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0c3acd8331282f32bd4a36e6a4a0daaa557bd725faa6b52ca232d8156307d0b7","sha256:c4268725dff92baa417d58f1c92ef097e8d3ab572d60be46f7042addf745979a"],"state_sha256":"83fbaa4bb1a6141df593a9d92b792ab28ff987ef41e0358777356cd79ce5d9a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GIvwAzguD2c0AKNjEeon7WDSDK+kth7XFLeUOe/bcfTbP47rkn0+GZpP60VvIuTYptdVXKNQvMUsUiMQbRUyDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T08:34:17.070707Z","bundle_sha256":"15f1b7bd01243bcde2d6b838d1008335c91b9ce1bb7e55401ee913f61dcf04fd"}}