{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:PEXYD6N4GKVCNV7TWWPAWSQW7V","short_pith_number":"pith:PEXYD6N4","canonical_record":{"source":{"id":"1206.3709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-06-16T21:57:07Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"69808ebb4be7c69f719032cd0967ef320867f5d5e24d13c562d1b6eb86001bba","abstract_canon_sha256":"4f9244b4085ce156a676450a21d155baee12e6cc53dced1e529d8dbfa3123a98"},"schema_version":"1.0"},"canonical_sha256":"792f81f9bc32aa26d7f3b59e0b4a16fd4b2b2e0237f0778656d6bc0ed52a797a","source":{"kind":"arxiv","id":"1206.3709","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3709","created_at":"2026-05-18T03:19:22Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3709v1","created_at":"2026-05-18T03:19:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3709","created_at":"2026-05-18T03:19:22Z"},{"alias_kind":"pith_short_12","alias_value":"PEXYD6N4GKVC","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PEXYD6N4GKVCNV7T","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PEXYD6N4","created_at":"2026-05-18T12:27:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:PEXYD6N4GKVCNV7TWWPAWSQW7V","target":"record","payload":{"canonical_record":{"source":{"id":"1206.3709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-06-16T21:57:07Z","cross_cats_sorted":["hep-ex","physics.ins-det"],"title_canon_sha256":"69808ebb4be7c69f719032cd0967ef320867f5d5e24d13c562d1b6eb86001bba","abstract_canon_sha256":"4f9244b4085ce156a676450a21d155baee12e6cc53dced1e529d8dbfa3123a98"},"schema_version":"1.0"},"canonical_sha256":"792f81f9bc32aa26d7f3b59e0b4a16fd4b2b2e0237f0778656d6bc0ed52a797a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:22.568961Z","signature_b64":"BF1SUDoEZTw1JlzM0LF2tjXQHVPY48mBulFmkGHOBvL6dLsrMWy7lcM7osI9P6jbg8xEaYjFEAuVe8zPVualDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"792f81f9bc32aa26d7f3b59e0b4a16fd4b2b2e0237f0778656d6bc0ed52a797a","last_reissued_at":"2026-05-18T03:19:22.568161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:22.568161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.3709","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":"2026-05-18T03:19:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HQR+M1T2mCgPEElVoOT5scgNa2ShZyjZtiFaXBeejdoXAags60yL54BW1e4X3RSbkZXUVjhXONos6CuvvXbKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:26:29.793206Z"},"content_sha256":"9c6aa5ab557ebecbe22ec1ae910a39b5665cf019f27afca90ce341b11e9869f2","schema_version":"1.0","event_id":"sha256:9c6aa5ab557ebecbe22ec1ae910a39b5665cf019f27afca90ce341b11e9869f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:PEXYD6N4GKVCNV7TWWPAWSQW7V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Control Systems: an Application to a High Energy Physics Experiment (COMPASS)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","physics.ins-det"],"primary_cat":"cs.SY","authors_text":"A. S. Nunes, C. Pires, C. Quintans, P. Bordalo, S. Ramos","submitted_at":"2012-06-16T21:57:07Z","abstract_excerpt":"The Detector Control System (DCS) of the COMPASS experiment at CERN is presented. The experiment has a high level of complexity and flexibility and a long time of operation, that constitute a challenge for its full monitorisation and control. A strategy to use a limited number of standardised, cost-effective, industrial solutions of hardware and software was pursued. When such solutions were not available or could not be used, customised solutions were developed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3709","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":"2026-05-18T03:19:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H+Sf3OEC+Zg+6kOUP1Eeuy9+965mitR+kVTBPEq0vc4sfCp4ahwQNIB/yX8kRzvED3cC+FGrS1q6wd1jInhcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:26:29.793797Z"},"content_sha256":"a7f5f503f7b355049c5bb82047209dbb130cb2365d4c031baeee7494a2074a66","schema_version":"1.0","event_id":"sha256:a7f5f503f7b355049c5bb82047209dbb130cb2365d4c031baeee7494a2074a66"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V/bundle.json","state_url":"https://pith.science/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V/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":"2026-05-25T20:26:29Z","links":{"resolver":"https://pith.science/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V","bundle":"https://pith.science/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V/bundle.json","state":"https://pith.science/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PEXYD6N4GKVCNV7TWWPAWSQW7V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:PEXYD6N4GKVCNV7TWWPAWSQW7V","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":"4f9244b4085ce156a676450a21d155baee12e6cc53dced1e529d8dbfa3123a98","cross_cats_sorted":["hep-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-06-16T21:57:07Z","title_canon_sha256":"69808ebb4be7c69f719032cd0967ef320867f5d5e24d13c562d1b6eb86001bba"},"schema_version":"1.0","source":{"id":"1206.3709","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3709","created_at":"2026-05-18T03:19:22Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3709v1","created_at":"2026-05-18T03:19:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3709","created_at":"2026-05-18T03:19:22Z"},{"alias_kind":"pith_short_12","alias_value":"PEXYD6N4GKVC","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"PEXYD6N4GKVCNV7T","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"PEXYD6N4","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:a7f5f503f7b355049c5bb82047209dbb130cb2365d4c031baeee7494a2074a66","target":"graph","created_at":"2026-05-18T03:19:22Z","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":"The Detector Control System (DCS) of the COMPASS experiment at CERN is presented. The experiment has a high level of complexity and flexibility and a long time of operation, that constitute a challenge for its full monitorisation and control. A strategy to use a limited number of standardised, cost-effective, industrial solutions of hardware and software was pursued. When such solutions were not available or could not be used, customised solutions were developed.","authors_text":"A. S. Nunes, C. Pires, C. Quintans, P. Bordalo, S. Ramos","cross_cats":["hep-ex","physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-06-16T21:57:07Z","title":"Control Systems: an Application to a High Energy Physics Experiment (COMPASS)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3709","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":"sha256:9c6aa5ab557ebecbe22ec1ae910a39b5665cf019f27afca90ce341b11e9869f2","target":"record","created_at":"2026-05-18T03:19:22Z","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":"4f9244b4085ce156a676450a21d155baee12e6cc53dced1e529d8dbfa3123a98","cross_cats_sorted":["hep-ex","physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-06-16T21:57:07Z","title_canon_sha256":"69808ebb4be7c69f719032cd0967ef320867f5d5e24d13c562d1b6eb86001bba"},"schema_version":"1.0","source":{"id":"1206.3709","kind":"arxiv","version":1}},"canonical_sha256":"792f81f9bc32aa26d7f3b59e0b4a16fd4b2b2e0237f0778656d6bc0ed52a797a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"792f81f9bc32aa26d7f3b59e0b4a16fd4b2b2e0237f0778656d6bc0ed52a797a","first_computed_at":"2026-05-18T03:19:22.568161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:22.568161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BF1SUDoEZTw1JlzM0LF2tjXQHVPY48mBulFmkGHOBvL6dLsrMWy7lcM7osI9P6jbg8xEaYjFEAuVe8zPVualDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:22.568961Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.3709","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c6aa5ab557ebecbe22ec1ae910a39b5665cf019f27afca90ce341b11e9869f2","sha256:a7f5f503f7b355049c5bb82047209dbb130cb2365d4c031baeee7494a2074a66"],"state_sha256":"2beefe1a20d46091e47a10fc457efa30250589917ae97a03ac5aee01a857583b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xe/zVjWsUsfx6iZ3KBmRtEHInbePT17RqQZlzoOUyDqzw2Crv0H6geCWZOXogw5cAQjebIRbux1r62b/Klk5BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:26:29.797560Z","bundle_sha256":"ade1d628f8495b696797573c5dd1b7ff6b13e3557d5b38e7a64903da318c864f"}}