{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:Z2WIBIGX7TYKIVRTPNDT3CUM5C","short_pith_number":"pith:Z2WIBIGX","schema_version":"1.0","canonical_sha256":"ceac80a0d7fcf0a456337b473d8a8ce8a57111362778371224392cad0336a2b7","source":{"kind":"arxiv","id":"hep-ex/0301008","version":1},"attestation_state":"computed","paper":{"title":"Performance of large area Micro Pixel Chamber","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Ochi, A. Takada, H. Kubo, K. Miuchi, M. Ueno, R. Orito, T. Nagayoshi, T. Tanimori","submitted_at":"2003-01-09T13:26:30Z","abstract_excerpt":"A novel gaseous two-dimensional imaging detector \"Micro Pixel Chamber (micro-PIC)\" has been developed. This detector is based on double sided printed circuit board (PCB). We have developed large area (10cm x 10cm) micro-PICs with 65536 pixel anodes of 400um pitch on a 100um thick insulating substrate. Achieved energy resolution was 30% (FWHM) at 5.9keV, and a gas gain of 7000 was obtained with argon ethane (8:2) gas mixture. This gain is high enough to detect minimum ionizing particles with such a small electrode pitch. Although several discharges occurred during 65 hours continuous operation,"},"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":"hep-ex/0301008","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2003-01-09T13:26:30Z","cross_cats_sorted":[],"title_canon_sha256":"7b1b6cf0cb0ec7743195ec4c8f436c9dcb201988a3530d02a2aee384b5dd63c5","abstract_canon_sha256":"c99f04ab4892aa43a4c5708caddbe39b2eddae1ca7fcdcae4f6f1c4d81783c74"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:15.895669Z","signature_b64":"+jmUlc0A/t6F0xypPxAng8etoOqWfx0qgb73389jvKU3Q6Z//eSTcU70vmIXy1jlxwiDMg/ivRPanVqP1X2kCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ceac80a0d7fcf0a456337b473d8a8ce8a57111362778371224392cad0336a2b7","last_reissued_at":"2026-05-18T01:39:15.894965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:15.894965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Performance of large area Micro Pixel Chamber","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Ochi, A. Takada, H. Kubo, K. Miuchi, M. Ueno, R. Orito, T. Nagayoshi, T. Tanimori","submitted_at":"2003-01-09T13:26:30Z","abstract_excerpt":"A novel gaseous two-dimensional imaging detector \"Micro Pixel Chamber (micro-PIC)\" has been developed. This detector is based on double sided printed circuit board (PCB). We have developed large area (10cm x 10cm) micro-PICs with 65536 pixel anodes of 400um pitch on a 100um thick insulating substrate. Achieved energy resolution was 30% (FWHM) at 5.9keV, and a gas gain of 7000 was obtained with argon ethane (8:2) gas mixture. This gain is high enough to detect minimum ionizing particles with such a small electrode pitch. Although several discharges occurred during 65 hours continuous operation,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0301008","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":"hep-ex/0301008","created_at":"2026-05-18T01:39:15.895064+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0301008v1","created_at":"2026-05-18T01:39:15.895064+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0301008","created_at":"2026-05-18T01:39:15.895064+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z2WIBIGX7TYK","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z2WIBIGX7TYKIVRT","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z2WIBIGX","created_at":"2026-05-18T12:25:52.051335+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C","json":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C.json","graph_json":"https://pith.science/api/pith-number/Z2WIBIGX7TYKIVRTPNDT3CUM5C/graph.json","events_json":"https://pith.science/api/pith-number/Z2WIBIGX7TYKIVRTPNDT3CUM5C/events.json","paper":"https://pith.science/paper/Z2WIBIGX"},"agent_actions":{"view_html":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C","download_json":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C.json","view_paper":"https://pith.science/paper/Z2WIBIGX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/0301008&json=true","fetch_graph":"https://pith.science/api/pith-number/Z2WIBIGX7TYKIVRTPNDT3CUM5C/graph.json","fetch_events":"https://pith.science/api/pith-number/Z2WIBIGX7TYKIVRTPNDT3CUM5C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C/action/storage_attestation","attest_author":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C/action/author_attestation","sign_citation":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C/action/citation_signature","submit_replication":"https://pith.science/pith/Z2WIBIGX7TYKIVRTPNDT3CUM5C/action/replication_record"}},"created_at":"2026-05-18T01:39:15.895064+00:00","updated_at":"2026-05-18T01:39:15.895064+00:00"}