{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ITPNAJQG2STFB7PSIKRDPG76QB","short_pith_number":"pith:ITPNAJQG","schema_version":"1.0","canonical_sha256":"44ded02606d4a650fdf242a2379bfe805f22873eefb8c2fc7eed22f378d486a0","source":{"kind":"arxiv","id":"1809.10213","version":1},"attestation_state":"computed","paper":{"title":"Q-Pix: Pixel-scale Signal Capture for Kiloton Liquid Argon TPC Detectors: Time-to-Charge Waveform Capture, Local Clocks, Dynamic Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"David Nygren, Yuan Mei","submitted_at":"2018-09-26T19:51:07Z","abstract_excerpt":"We describe a novel ionization signal capture and waveform digitization scheme for kiloton-scale liquid argon Time Projection Chamber (TPC) detectors. The scheme is based on a pixel-scale self-triggering `charge integrate/reset' block, local clocks running at unconstrained frequencies and dynamically established data networks. The scheme facilitates detailed capture of waveforms of arbitrary complexity from a sequence of varying time intervals, each of which corresponds to a fixed charge integral. An absolute charge auto-calibration process based on intrinsic $^{39}$Ar decay current is a major"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1809.10213","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2018-09-26T19:51:07Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"4ea66efa277b0709bbc4528ab58050ccfae7d1e91d5e4ae81ff835c64cc91146","abstract_canon_sha256":"755657e110a006c4df18f6686686d0aea13aecdb14390f53b507095c0f1800b0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:38.835131Z","signature_b64":"s+F2ZHmZtTXbpt2B1ZHz5tJSyoZ+hslnN7cxiKGnAcsgvhcG2Ww4dF3Xls7cg9suKB00oG3nLb6rvRY+DqUHDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44ded02606d4a650fdf242a2379bfe805f22873eefb8c2fc7eed22f378d486a0","last_reissued_at":"2026-05-18T00:04:38.834652Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:38.834652Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Q-Pix: Pixel-scale Signal Capture for Kiloton Liquid Argon TPC Detectors: Time-to-Charge Waveform Capture, Local Clocks, Dynamic Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"David Nygren, Yuan Mei","submitted_at":"2018-09-26T19:51:07Z","abstract_excerpt":"We describe a novel ionization signal capture and waveform digitization scheme for kiloton-scale liquid argon Time Projection Chamber (TPC) detectors. The scheme is based on a pixel-scale self-triggering `charge integrate/reset' block, local clocks running at unconstrained frequencies and dynamically established data networks. The scheme facilitates detailed capture of waveforms of arbitrary complexity from a sequence of varying time intervals, each of which corresponds to a fixed charge integral. An absolute charge auto-calibration process based on intrinsic $^{39}$Ar decay current is a major"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.10213","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1809.10213","created_at":"2026-05-18T00:04:38.834720+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.10213v1","created_at":"2026-05-18T00:04:38.834720+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.10213","created_at":"2026-05-18T00:04:38.834720+00:00"},{"alias_kind":"pith_short_12","alias_value":"ITPNAJQG2STF","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"ITPNAJQG2STFB7PS","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"ITPNAJQG","created_at":"2026-05-18T12:32:31.084164+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2604.21307","citing_title":"Liquid argon purification and purity monitoring: apparatus and first results","ref_index":15,"is_internal_anchor":true},{"citing_arxiv_id":"2604.21307","citing_title":"Liquid argon purification and purity monitoring: apparatus and first results","ref_index":15,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB","json":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB.json","graph_json":"https://pith.science/api/pith-number/ITPNAJQG2STFB7PSIKRDPG76QB/graph.json","events_json":"https://pith.science/api/pith-number/ITPNAJQG2STFB7PSIKRDPG76QB/events.json","paper":"https://pith.science/paper/ITPNAJQG"},"agent_actions":{"view_html":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB","download_json":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB.json","view_paper":"https://pith.science/paper/ITPNAJQG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.10213&json=true","fetch_graph":"https://pith.science/api/pith-number/ITPNAJQG2STFB7PSIKRDPG76QB/graph.json","fetch_events":"https://pith.science/api/pith-number/ITPNAJQG2STFB7PSIKRDPG76QB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB/action/storage_attestation","attest_author":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB/action/author_attestation","sign_citation":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB/action/citation_signature","submit_replication":"https://pith.science/pith/ITPNAJQG2STFB7PSIKRDPG76QB/action/replication_record"}},"created_at":"2026-05-18T00:04:38.834720+00:00","updated_at":"2026-05-18T00:04:38.834720+00:00"}