{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:A3WOXDSSOXZ3XTFIQ6564QWHYC","short_pith_number":"pith:A3WOXDSS","canonical_record":{"source":{"id":"physics/0410158","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.ins-det","submitted_at":"2004-10-20T15:03:37Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f40fe68e0840d0570991216c2674e2ebaef9ace4b1c751e6d3cd4c0a8565cfb9","abstract_canon_sha256":"db5b80196df994e2cd67d38b28ed7db8005948ade3c7ab3b64426e02814da8ca"},"schema_version":"1.0"},"canonical_sha256":"06eceb8e5275f3bbcca887bbee42c7c0bacdcfee411e75969753ecb1822b62a9","source":{"kind":"arxiv","id":"physics/0410158","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0410158","created_at":"2026-05-18T01:16:22Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0410158v2","created_at":"2026-05-18T01:16:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0410158","created_at":"2026-05-18T01:16:22Z"},{"alias_kind":"pith_short_12","alias_value":"A3WOXDSSOXZ3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"A3WOXDSSOXZ3XTFI","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"A3WOXDSS","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:A3WOXDSSOXZ3XTFIQ6564QWHYC","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0410158","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"physics.ins-det","submitted_at":"2004-10-20T15:03:37Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f40fe68e0840d0570991216c2674e2ebaef9ace4b1c751e6d3cd4c0a8565cfb9","abstract_canon_sha256":"db5b80196df994e2cd67d38b28ed7db8005948ade3c7ab3b64426e02814da8ca"},"schema_version":"1.0"},"canonical_sha256":"06eceb8e5275f3bbcca887bbee42c7c0bacdcfee411e75969753ecb1822b62a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:22.041138Z","signature_b64":"C06cfjJ9/xD4w9LoOSS7Up3Az5woxlY9A+WkTFqF4AtSHSWWJV2qXOXrqNUmT8vlgo5NxCzBKTx/MhClHo5WBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06eceb8e5275f3bbcca887bbee42c7c0bacdcfee411e75969753ecb1822b62a9","last_reissued_at":"2026-05-18T01:16:22.040640Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:22.040640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0410158","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":"2026-05-18T01:16:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wXtm4z6iSAoqHPRUteybQ8/+p5Xt4tiRcp89HoNBTzKSA/p8DZvpmjkFwU8hKcyWLEjWYzQf9eoACZbQUiymAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:38:13.326172Z"},"content_sha256":"009a393b1a9007b97a42b2579804e7d2a334548829c9c99df979a8aad69c7ae4","schema_version":"1.0","event_id":"sha256:009a393b1a9007b97a42b2579804e7d2a334548829c9c99df979a8aad69c7ae4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:A3WOXDSSOXZ3XTFIQ6564QWHYC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiation-Hard Opto-Link for the Atlas Pixel Detector","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"et al, K.K. Gan","submitted_at":"2004-10-20T15:03:37Z","abstract_excerpt":"The on-detector optical link of the ATLAS pixel detector contains radiation-hard receiver chips to decode bi-phase marked signals received on PIN arrays and data transmitter chips to drive VCSEL arrays. The components are mounted on hybrid boards (opto-boards). We present results from the opto-boards and from irradiation studies with 24 GeV protons up to 33 Mrad (1.2 x 10^15 p/cm^2)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0410158","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":""},"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":"2026-05-18T01:16:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vunk5dB/6ONsyN6ShSBBMkEDkmKJJ6Yvh2/5cJvIIrbUQwCv8kzQRiYYyB5BbXZ9+0bpww59djytIMeKjnOgDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:38:13.326841Z"},"content_sha256":"995ece87658e4268c50f112284fdf1e68532f687fd6be49ef53cccbf961f4214","schema_version":"1.0","event_id":"sha256:995ece87658e4268c50f112284fdf1e68532f687fd6be49ef53cccbf961f4214"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC/bundle.json","state_url":"https://pith.science/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC/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":"2026-05-31T03:38:13Z","links":{"resolver":"https://pith.science/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC","bundle":"https://pith.science/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC/bundle.json","state":"https://pith.science/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A3WOXDSSOXZ3XTFIQ6564QWHYC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:A3WOXDSSOXZ3XTFIQ6564QWHYC","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":"db5b80196df994e2cd67d38b28ed7db8005948ade3c7ab3b64426e02814da8ca","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"physics.ins-det","submitted_at":"2004-10-20T15:03:37Z","title_canon_sha256":"f40fe68e0840d0570991216c2674e2ebaef9ace4b1c751e6d3cd4c0a8565cfb9"},"schema_version":"1.0","source":{"id":"physics/0410158","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0410158","created_at":"2026-05-18T01:16:22Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0410158v2","created_at":"2026-05-18T01:16:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0410158","created_at":"2026-05-18T01:16:22Z"},{"alias_kind":"pith_short_12","alias_value":"A3WOXDSSOXZ3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"A3WOXDSSOXZ3XTFI","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"A3WOXDSS","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:995ece87658e4268c50f112284fdf1e68532f687fd6be49ef53cccbf961f4214","target":"graph","created_at":"2026-05-18T01:16:22Z","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":"The on-detector optical link of the ATLAS pixel detector contains radiation-hard receiver chips to decode bi-phase marked signals received on PIN arrays and data transmitter chips to drive VCSEL arrays. The components are mounted on hybrid boards (opto-boards). We present results from the opto-boards and from irradiation studies with 24 GeV protons up to 33 Mrad (1.2 x 10^15 p/cm^2).","authors_text":"et al, K.K. Gan","cross_cats":["hep-ex"],"headline":"","license":"","primary_cat":"physics.ins-det","submitted_at":"2004-10-20T15:03:37Z","title":"Radiation-Hard Opto-Link for the Atlas Pixel Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0410158","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":"sha256:009a393b1a9007b97a42b2579804e7d2a334548829c9c99df979a8aad69c7ae4","target":"record","created_at":"2026-05-18T01:16:22Z","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":"db5b80196df994e2cd67d38b28ed7db8005948ade3c7ab3b64426e02814da8ca","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"physics.ins-det","submitted_at":"2004-10-20T15:03:37Z","title_canon_sha256":"f40fe68e0840d0570991216c2674e2ebaef9ace4b1c751e6d3cd4c0a8565cfb9"},"schema_version":"1.0","source":{"id":"physics/0410158","kind":"arxiv","version":2}},"canonical_sha256":"06eceb8e5275f3bbcca887bbee42c7c0bacdcfee411e75969753ecb1822b62a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06eceb8e5275f3bbcca887bbee42c7c0bacdcfee411e75969753ecb1822b62a9","first_computed_at":"2026-05-18T01:16:22.040640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:22.040640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C06cfjJ9/xD4w9LoOSS7Up3Az5woxlY9A+WkTFqF4AtSHSWWJV2qXOXrqNUmT8vlgo5NxCzBKTx/MhClHo5WBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:22.041138Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0410158","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:009a393b1a9007b97a42b2579804e7d2a334548829c9c99df979a8aad69c7ae4","sha256:995ece87658e4268c50f112284fdf1e68532f687fd6be49ef53cccbf961f4214"],"state_sha256":"ee95b38b4445d65da35ad11ac4e7be905d68b2fdc6b043d75e65a039196d8129"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xXFyHGTEE8bBs5QZaJexUMWv6hYl0xYkJFFc74eJxqevQ05WZ67fJbvtzQ19dBa6lzsoNmBzbpluqTCAVqgcDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:38:13.330280Z","bundle_sha256":"87478832048b01dae3c06e3dff537efd2ac01c8faaf0c641e1e8f4bd068f4824"}}