{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7QU5Z7LQ6AVEGHDVHBF6WYW5VL","short_pith_number":"pith:7QU5Z7LQ","canonical_record":{"source":{"id":"1602.01437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-02T02:21:22Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"982353365d92ab0663383082eef8c5195f130d4eb6d87fc55eede26cec8f0afb","abstract_canon_sha256":"f113ed83ace964fd889ad852db227c4c18c39bf7f04ce80e2d2b3f873c4d0ddc"},"schema_version":"1.0"},"canonical_sha256":"fc29dcfd70f02a431c75384beb62ddaaee32a36674788cca9961ce0d302fa011","source":{"kind":"arxiv","id":"1602.01437","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.01437","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"arxiv_version","alias_value":"1602.01437v1","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01437","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"pith_short_12","alias_value":"7QU5Z7LQ6AVE","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7QU5Z7LQ6AVEGHDV","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7QU5Z7LQ","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7QU5Z7LQ6AVEGHDVHBF6WYW5VL","target":"record","payload":{"canonical_record":{"source":{"id":"1602.01437","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-02T02:21:22Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"982353365d92ab0663383082eef8c5195f130d4eb6d87fc55eede26cec8f0afb","abstract_canon_sha256":"f113ed83ace964fd889ad852db227c4c18c39bf7f04ce80e2d2b3f873c4d0ddc"},"schema_version":"1.0"},"canonical_sha256":"fc29dcfd70f02a431c75384beb62ddaaee32a36674788cca9961ce0d302fa011","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:25.040706Z","signature_b64":"38Tf9feaKyJdspG5H++24ejYnPTFYRrcIUIZDH5YCceAPIKJowHJ+VBRP52+ZNHkRTQfLgAeUOYJTqBaFCjdBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc29dcfd70f02a431c75384beb62ddaaee32a36674788cca9961ce0d302fa011","last_reissued_at":"2026-05-18T01:12:25.040367Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:25.040367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.01437","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"duP9/nj9l0RbwX0XXisOqdoPcEQxLqm9Ll4vSxaZkow9fuItmooWHS/avxqht+Mwj8luFfVf8CpLFF57FKcYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:11:26.485654Z"},"content_sha256":"1b3f6887eafc3b4667a780b792dab4a65816e07c11cf8090275c2b6fcbb773f2","schema_version":"1.0","event_id":"sha256:1b3f6887eafc3b4667a780b792dab4a65816e07c11cf8090275c2b6fcbb773f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7QU5Z7LQ6AVEGHDVHBF6WYW5VL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Prototype Scalable Readout System for Micro-pattern Gas Detectors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Chang-Qing Feng, Cheng Li, Jing Tian, Qi An, Qi-Bin Zheng, Shu-Bin Liu","submitted_at":"2016-02-02T02:21:22Z","abstract_excerpt":"A scalable readout system (SRS) is designed to provide a general solution for different micro-pattern gas detectors. The system mainly consists of three kinds of modules: the ASIC card, the Adapter card and the Front-End Card (FEC). The ASIC cards, mounted with particular ASIC chips, are designed for receiving detector signals. The Adapter card is in charge of digitizing the output signals from several ASIC cards. The FEC, edged-mounted with the Adapter, has a FPGA-based reconfigurable logic and I/O interfaces, allowing users to choose various ASIC cards and Adapters for different types of det"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01437","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VQiB+oi9ddhK1ATT9qad/3Vg4j5tiDukdYd4B+flO8RU5zhmuSlxPwiY/KdAiZ1ik0+1J0qXdn0Pr1poQ/YECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T00:11:26.486329Z"},"content_sha256":"1aa4d98ce6ba8d32cc118979929aa3043bd8951d634f227c2830b54cd3e58841","schema_version":"1.0","event_id":"sha256:1aa4d98ce6ba8d32cc118979929aa3043bd8951d634f227c2830b54cd3e58841"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL/bundle.json","state_url":"https://pith.science/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL/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":"2026-06-07T00:11:26Z","links":{"resolver":"https://pith.science/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL","bundle":"https://pith.science/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL/bundle.json","state":"https://pith.science/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7QU5Z7LQ6AVEGHDVHBF6WYW5VL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7QU5Z7LQ6AVEGHDVHBF6WYW5VL","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":"f113ed83ace964fd889ad852db227c4c18c39bf7f04ce80e2d2b3f873c4d0ddc","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-02T02:21:22Z","title_canon_sha256":"982353365d92ab0663383082eef8c5195f130d4eb6d87fc55eede26cec8f0afb"},"schema_version":"1.0","source":{"id":"1602.01437","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.01437","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"arxiv_version","alias_value":"1602.01437v1","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01437","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"pith_short_12","alias_value":"7QU5Z7LQ6AVE","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7QU5Z7LQ6AVEGHDV","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7QU5Z7LQ","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:1aa4d98ce6ba8d32cc118979929aa3043bd8951d634f227c2830b54cd3e58841","target":"graph","created_at":"2026-05-18T01:12:25Z","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":"A scalable readout system (SRS) is designed to provide a general solution for different micro-pattern gas detectors. The system mainly consists of three kinds of modules: the ASIC card, the Adapter card and the Front-End Card (FEC). The ASIC cards, mounted with particular ASIC chips, are designed for receiving detector signals. The Adapter card is in charge of digitizing the output signals from several ASIC cards. The FEC, edged-mounted with the Adapter, has a FPGA-based reconfigurable logic and I/O interfaces, allowing users to choose various ASIC cards and Adapters for different types of det","authors_text":"Chang-Qing Feng, Cheng Li, Jing Tian, Qi An, Qi-Bin Zheng, Shu-Bin Liu","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-02T02:21:22Z","title":"A Prototype Scalable Readout System for Micro-pattern Gas Detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01437","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":"sha256:1b3f6887eafc3b4667a780b792dab4a65816e07c11cf8090275c2b6fcbb773f2","target":"record","created_at":"2026-05-18T01:12:25Z","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":"f113ed83ace964fd889ad852db227c4c18c39bf7f04ce80e2d2b3f873c4d0ddc","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-02-02T02:21:22Z","title_canon_sha256":"982353365d92ab0663383082eef8c5195f130d4eb6d87fc55eede26cec8f0afb"},"schema_version":"1.0","source":{"id":"1602.01437","kind":"arxiv","version":1}},"canonical_sha256":"fc29dcfd70f02a431c75384beb62ddaaee32a36674788cca9961ce0d302fa011","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc29dcfd70f02a431c75384beb62ddaaee32a36674788cca9961ce0d302fa011","first_computed_at":"2026-05-18T01:12:25.040367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:25.040367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"38Tf9feaKyJdspG5H++24ejYnPTFYRrcIUIZDH5YCceAPIKJowHJ+VBRP52+ZNHkRTQfLgAeUOYJTqBaFCjdBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:25.040706Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.01437","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b3f6887eafc3b4667a780b792dab4a65816e07c11cf8090275c2b6fcbb773f2","sha256:1aa4d98ce6ba8d32cc118979929aa3043bd8951d634f227c2830b54cd3e58841"],"state_sha256":"8c11c459673b30dab4ee73c5b7ddc9c3fb00a38e74b824f10abff03c7636e16d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZYCa44S4ppqpFrDpFwtBWsj24/e6jEUcNT+pnq0sjelCG25qeu13zDnX7V7DaeU0G5pcxGTYmWlFM1B98vaDDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T00:11:26.490332Z","bundle_sha256":"fd71f2f13211a05c1bb7835d31dac64fa85c144a64da6f6069946a5642e8128e"}}