{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SCIIJFQNVMK5BR4D2ZDJYVOHTW","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":"f5aa61fa9ba4e922103743f01c05c00e9a65ebb4d21d7e7d645e19feb88144dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-03-06T19:58:33Z","title_canon_sha256":"7eceabd7c83d8cbb8f78acde15b09493e585637837cf1aa1e0431d11a8f1769a"},"schema_version":"1.0","source":{"id":"1403.1549","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.1549","created_at":"2026-05-18T01:25:03Z"},{"alias_kind":"arxiv_version","alias_value":"1403.1549v1","created_at":"2026-05-18T01:25:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.1549","created_at":"2026-05-18T01:25:03Z"},{"alias_kind":"pith_short_12","alias_value":"SCIIJFQNVMK5","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SCIIJFQNVMK5BR4D","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SCIIJFQN","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:8fb1e6fce97048dcb27008732d982318f952b69e5cb439b9535ee8fc4d243c7d","target":"graph","created_at":"2026-05-18T01:25:03Z","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":"This paper describes the design of the active muon veto subsystem for the MiniCLEAN dark matter direct detection experiment at SNOLAB in Sudbury, Ontario, Canada. The water-filled veto is instrumented with 48 PMTs which are read out by front end electronics to time multiplex 48 photomultiplier channels into 6 digitizer channels and provide an instantaneous hit sum across the subsystem (N-Hit) for the veto trigger. We describe the primary system components: the PMTs, the support structure, the front-end electronics, and the data acquisition system.","authors_text":"Benjamin Buck, James Kelsey, Jocelyn Monroe, Kimberyl Palladino, Robert Abruzzio, Stephen Jaditz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-03-06T19:58:33Z","title":"Design of the MiniCLEAN dark matter search veto detector subsystem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.1549","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":"sha256:575dc85812dd70d080474dee976a7a27e170ddc35e6599bf0d7d136c80fa6b84","target":"record","created_at":"2026-05-18T01:25:03Z","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":"f5aa61fa9ba4e922103743f01c05c00e9a65ebb4d21d7e7d645e19feb88144dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2014-03-06T19:58:33Z","title_canon_sha256":"7eceabd7c83d8cbb8f78acde15b09493e585637837cf1aa1e0431d11a8f1769a"},"schema_version":"1.0","source":{"id":"1403.1549","kind":"arxiv","version":1}},"canonical_sha256":"909084960dab15d0c783d6469c55c79dbb6b47d08f77e70a960b0ef8a950fa78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"909084960dab15d0c783d6469c55c79dbb6b47d08f77e70a960b0ef8a950fa78","first_computed_at":"2026-05-18T01:25:03.773056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:25:03.773056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zxSE9sGDcLjRd8+DTP47nblzP/sYKooFBFL9G7vZN6V/T+OpwZ7R8UbFYUTxccpeMFTDRrKbfUEL5ZlLWfNvCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:25:03.773653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.1549","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:575dc85812dd70d080474dee976a7a27e170ddc35e6599bf0d7d136c80fa6b84","sha256:8fb1e6fce97048dcb27008732d982318f952b69e5cb439b9535ee8fc4d243c7d"],"state_sha256":"e4b08e09c5293fc0533eb7444fcd46561c4446bfd9209384bf1c9dd5dc70e292"}