{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4TMDZW3WVWLT3LPIOWL7QDFNHF","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":"d13f30932c5f996157bd0dcc33aa3b2f3a83565bc451f48a6ea817ab84f581fe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-02-09T05:34:08Z","title_canon_sha256":"e7a1d81ec54d41f86858389e67d806863ba89427e517d33e3d0225fe93456e34"},"schema_version":"1.0","source":{"id":"2202.04285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.04285","created_at":"2026-07-05T03:55:35Z"},{"alias_kind":"arxiv_version","alias_value":"2202.04285v1","created_at":"2026-07-05T03:55:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.04285","created_at":"2026-07-05T03:55:35Z"},{"alias_kind":"pith_short_12","alias_value":"4TMDZW3WVWLT","created_at":"2026-07-05T03:55:35Z"},{"alias_kind":"pith_short_16","alias_value":"4TMDZW3WVWLT3LPI","created_at":"2026-07-05T03:55:35Z"},{"alias_kind":"pith_short_8","alias_value":"4TMDZW3W","created_at":"2026-07-05T03:55:35Z"}],"graph_snapshots":[{"event_id":"sha256:b007f48f27b08806637ef3d8af1836e7b4d5c6885c856656c1621dd80db76742","target":"graph","created_at":"2026-07-05T03:55:35Z","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/2202.04285/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents several component prototypes towards a low-latency, small-form-factor optical link designed for the ATLAS Liquid Argon Calorimeter Phase-I trigger upgrade. A prototype of the custom-made dual-channel optical transmitter module, the Miniature optical Transmitter (MTx), with separate transmitter optical sub-assemblies (TOSAs) has been demonstrated at data rates up to 8 Gbps per channel. A Vertical-Cavity Surface-Emitting Laser (VCSEL) driver ASIC has been developed and is used in the current MTx prototypes. A serializer ASIC prototype, operating at up to 8 Gbps per channel, h","authors_text":"Annie C Xiang, Binwei Deng, Chonghan Liu, Datao Gong, Di Guo, Futian Liang, Gang Liu, Jingbo Ye, Jinghong Chen, Mengxun He, Ping-Kun Teng, Suen Hou, Tiankuan Liu, Tongye Xu, Xiandong Zhao, Xiaoting Li, You Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-02-09T05:34:08Z","title":"Component Prototypes towards a Low-Latency, Small-form-factor Optical Link for the ATLAS Liquid Argon Calorimeter Phase-I Trigger Upgrade"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.04285","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":"sha256:49d7ec77a3a91c3dc63261ee410b4248386b70afadc8e4da70e4935ae9ec7045","target":"record","created_at":"2026-07-05T03:55:35Z","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":"d13f30932c5f996157bd0dcc33aa3b2f3a83565bc451f48a6ea817ab84f581fe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-02-09T05:34:08Z","title_canon_sha256":"e7a1d81ec54d41f86858389e67d806863ba89427e517d33e3d0225fe93456e34"},"schema_version":"1.0","source":{"id":"2202.04285","kind":"arxiv","version":1}},"canonical_sha256":"e4d83cdb76ad973dade87597f80cad396d3d24621ca3f12c042c45ce49143a88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e4d83cdb76ad973dade87597f80cad396d3d24621ca3f12c042c45ce49143a88","first_computed_at":"2026-07-05T03:55:35.685555Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:55:35.685555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QKoEwkxJr2pkpJ7ThdM8EIfEZhWiz1ioH8VrHKXDa6DN/Pc6JOGIvk3x2drZmsMf+mHUYGXMz9NMFWVG6dWkAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:55:35.685984Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.04285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49d7ec77a3a91c3dc63261ee410b4248386b70afadc8e4da70e4935ae9ec7045","sha256:b007f48f27b08806637ef3d8af1836e7b4d5c6885c856656c1621dd80db76742"],"state_sha256":"e381200dd9bfbd9d6a65fe815bbf42fb6e322364765eb68c47a7c7f6ddad9a16"}