{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:M7V5FWEDLUHNLKRL5T56HQSSUE","short_pith_number":"pith:M7V5FWED","canonical_record":{"source":{"id":"2309.15066","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-09-26T16:55:30Z","cross_cats_sorted":[],"title_canon_sha256":"1109b71668111e15f3ef388603f0855d35fd665d5fefcc0885db43660c90bc6d","abstract_canon_sha256":"70a50cd36a05ca40a6f823930b03751289941ac15eb7e9957024f6362174857b"},"schema_version":"1.0"},"canonical_sha256":"67ebd2d8835d0ed5aa2becfbe3c252a1235337c7d63c57d5691801cc110d49e6","source":{"kind":"arxiv","id":"2309.15066","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.15066","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"2309.15066v2","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.15066","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"M7V5FWEDLUHN","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"pith_short_16","alias_value":"M7V5FWEDLUHNLKRL","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"pith_short_8","alias_value":"M7V5FWED","created_at":"2026-07-05T07:34:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:M7V5FWEDLUHNLKRL5T56HQSSUE","target":"record","payload":{"canonical_record":{"source":{"id":"2309.15066","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-09-26T16:55:30Z","cross_cats_sorted":[],"title_canon_sha256":"1109b71668111e15f3ef388603f0855d35fd665d5fefcc0885db43660c90bc6d","abstract_canon_sha256":"70a50cd36a05ca40a6f823930b03751289941ac15eb7e9957024f6362174857b"},"schema_version":"1.0"},"canonical_sha256":"67ebd2d8835d0ed5aa2becfbe3c252a1235337c7d63c57d5691801cc110d49e6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:34:50.902169Z","signature_b64":"i8wKxwUK8ZimQmJsL7JDYPGFher4vPISMq18ADDovJd0kE6dx7tF4RcYha0MLhLNdPx4duNN73fjvstlVcIQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67ebd2d8835d0ed5aa2becfbe3c252a1235337c7d63c57d5691801cc110d49e6","last_reissued_at":"2026-07-05T07:34:50.901789Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:34:50.901789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.15066","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:34:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WgIwIYh80ujOqOIBTPtibLkk3ZGpVlGvjCgJqZWt04bC/rPZgNw9rglUclvMGJKnwHDrFDRV6tl7kMUlEhBoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:40:29.730761Z"},"content_sha256":"a8eba25c7b6a0fa37528ab7fc2ad8162f21135efe5248b0187f1d31c424a1379","schema_version":"1.0","event_id":"sha256:a8eba25c7b6a0fa37528ab7fc2ad8162f21135efe5248b0187f1d31c424a1379"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:M7V5FWEDLUHNLKRL5T56HQSSUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First operation of an ACHINOS-equipped Spherical Proportional Counter with individual anode read-out","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"D. Herd, G. Rogers, I. Katsioulas, I. Manthos, J. Matthews, K. Nikolopoulos, L. Millins, P. Knights, T. Neep","submitted_at":"2023-09-26T16:55:30Z","abstract_excerpt":"The multi-anode sensor ACHINOS revolutionised the capabilities of the spherical proportional counter by enabling large-size, high-pressure, operation and TPC-like reconstruction capabilities through individual anode read-out. First measurements with an individually read out ACHINOS are performed, which enables improved calibration and response homogenisation. Experimental results demonstrating the improvement in energy resolution brought by the individual anode calibration are presented. These are complemented by detailed simulation studies on the effect of sensor design and manufacturing impe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.15066","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.15066/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T07:34:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4qc/Psc1PJu1Ps/2v2M/QcxtEVilASQ1UxlVa8WotQtnxXwF4/uzSklq+9fV2hDRd3rgFECOSo7imntYr9SXAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:40:29.731146Z"},"content_sha256":"74b9cd2eb7fdc948d135b42bd38f47d87606b9b7ee22d24b55fb6a3378ba3859","schema_version":"1.0","event_id":"sha256:74b9cd2eb7fdc948d135b42bd38f47d87606b9b7ee22d24b55fb6a3378ba3859"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M7V5FWEDLUHNLKRL5T56HQSSUE/bundle.json","state_url":"https://pith.science/pith/M7V5FWEDLUHNLKRL5T56HQSSUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M7V5FWEDLUHNLKRL5T56HQSSUE/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":"2026-07-07T15:40:29Z","links":{"resolver":"https://pith.science/pith/M7V5FWEDLUHNLKRL5T56HQSSUE","bundle":"https://pith.science/pith/M7V5FWEDLUHNLKRL5T56HQSSUE/bundle.json","state":"https://pith.science/pith/M7V5FWEDLUHNLKRL5T56HQSSUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M7V5FWEDLUHNLKRL5T56HQSSUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:M7V5FWEDLUHNLKRL5T56HQSSUE","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":"70a50cd36a05ca40a6f823930b03751289941ac15eb7e9957024f6362174857b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-09-26T16:55:30Z","title_canon_sha256":"1109b71668111e15f3ef388603f0855d35fd665d5fefcc0885db43660c90bc6d"},"schema_version":"1.0","source":{"id":"2309.15066","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.15066","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"2309.15066v2","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.15066","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"M7V5FWEDLUHN","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"pith_short_16","alias_value":"M7V5FWEDLUHNLKRL","created_at":"2026-07-05T07:34:50Z"},{"alias_kind":"pith_short_8","alias_value":"M7V5FWED","created_at":"2026-07-05T07:34:50Z"}],"graph_snapshots":[{"event_id":"sha256:74b9cd2eb7fdc948d135b42bd38f47d87606b9b7ee22d24b55fb6a3378ba3859","target":"graph","created_at":"2026-07-05T07:34:50Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.15066/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The multi-anode sensor ACHINOS revolutionised the capabilities of the spherical proportional counter by enabling large-size, high-pressure, operation and TPC-like reconstruction capabilities through individual anode read-out. First measurements with an individually read out ACHINOS are performed, which enables improved calibration and response homogenisation. Experimental results demonstrating the improvement in energy resolution brought by the individual anode calibration are presented. These are complemented by detailed simulation studies on the effect of sensor design and manufacturing impe","authors_text":"D. Herd, G. Rogers, I. Katsioulas, I. Manthos, J. Matthews, K. Nikolopoulos, L. Millins, P. Knights, T. Neep","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-09-26T16:55:30Z","title":"First operation of an ACHINOS-equipped Spherical Proportional Counter with individual anode read-out"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.15066","kind":"arxiv","version":2},"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:a8eba25c7b6a0fa37528ab7fc2ad8162f21135efe5248b0187f1d31c424a1379","target":"record","created_at":"2026-07-05T07:34:50Z","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":"70a50cd36a05ca40a6f823930b03751289941ac15eb7e9957024f6362174857b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2023-09-26T16:55:30Z","title_canon_sha256":"1109b71668111e15f3ef388603f0855d35fd665d5fefcc0885db43660c90bc6d"},"schema_version":"1.0","source":{"id":"2309.15066","kind":"arxiv","version":2}},"canonical_sha256":"67ebd2d8835d0ed5aa2becfbe3c252a1235337c7d63c57d5691801cc110d49e6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"67ebd2d8835d0ed5aa2becfbe3c252a1235337c7d63c57d5691801cc110d49e6","first_computed_at":"2026-07-05T07:34:50.901789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:34:50.901789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i8wKxwUK8ZimQmJsL7JDYPGFher4vPISMq18ADDovJd0kE6dx7tF4RcYha0MLhLNdPx4duNN73fjvstlVcIQBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:34:50.902169Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.15066","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a8eba25c7b6a0fa37528ab7fc2ad8162f21135efe5248b0187f1d31c424a1379","sha256:74b9cd2eb7fdc948d135b42bd38f47d87606b9b7ee22d24b55fb6a3378ba3859"],"state_sha256":"094282381bc17e10b11e6c3e70cc7a3703dfea365d0ca416d6b9c10e866a27ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YUr0ecNsVI9sdABLrDKzniCHghyUb5fqAiir8RCvTKrwt/YwmnLrlsm/hArWjsw9oYhH4pGIC43J+HgpsZRqBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:40:29.733239Z","bundle_sha256":"f007ca904c053d418a059da7b155a2c5b6182a00ced4d887eaa4e1fbeabfdb39"}}