{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:CYAGHGRR2LBZ455JLYBSJKHWSH","short_pith_number":"pith:CYAGHGRR","canonical_record":{"source":{"id":"0711.1312","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.ins-det","submitted_at":"2007-11-08T16:36:21Z","cross_cats_sorted":[],"title_canon_sha256":"91872dbc36ecfc689e98b62b89d337c91d7858265519c981451bb82b98fcdaea","abstract_canon_sha256":"c33902d258405820c3f5b5a278ec26c8f6945bc2c7c409c6275a9f0af12c6732"},"schema_version":"1.0"},"canonical_sha256":"1600639a31d2c39e77a95e0324a8f691fe28fa409900fcf767eb45b2eb3e29e7","source":{"kind":"arxiv","id":"0711.1312","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0711.1312","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"arxiv_version","alias_value":"0711.1312v1","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0711.1312","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"pith_short_12","alias_value":"CYAGHGRR2LBZ","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"pith_short_16","alias_value":"CYAGHGRR2LBZ455J","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"pith_short_8","alias_value":"CYAGHGRR","created_at":"2026-07-04T17:17:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:CYAGHGRR2LBZ455JLYBSJKHWSH","target":"record","payload":{"canonical_record":{"source":{"id":"0711.1312","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.ins-det","submitted_at":"2007-11-08T16:36:21Z","cross_cats_sorted":[],"title_canon_sha256":"91872dbc36ecfc689e98b62b89d337c91d7858265519c981451bb82b98fcdaea","abstract_canon_sha256":"c33902d258405820c3f5b5a278ec26c8f6945bc2c7c409c6275a9f0af12c6732"},"schema_version":"1.0"},"canonical_sha256":"1600639a31d2c39e77a95e0324a8f691fe28fa409900fcf767eb45b2eb3e29e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:17:28.231430Z","signature_b64":"zu4Ido6iry/fpRNlfhqMnhFeYhyp9raKZ0/ILxiHSyKym3T+8Qzww6+TiWU6ewbs1DiBRbz1uL/F+QYRuScFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1600639a31d2c39e77a95e0324a8f691fe28fa409900fcf767eb45b2eb3e29e7","last_reissued_at":"2026-07-04T17:17:28.231043Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:17:28.231043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0711.1312","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":"2026-07-04T17:17:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bthC143nzFmeysYplqRgG/XzJO0OKwIMwreWYGu9/OEPYldI3jhE5dQW02rRZ3PxBUpJJJKW1K4DD0JMkXRKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:14:47.633267Z"},"content_sha256":"229ba2fafe984bcaa34c0fd70b730b287fe2d8b3140ca1e1b2797da85acf7554","schema_version":"1.0","event_id":"sha256:229ba2fafe984bcaa34c0fd70b730b287fe2d8b3140ca1e1b2797da85acf7554"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:CYAGHGRR2LBZ455JLYBSJKHWSH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detector of alpha particles and x-rays operating in ambient air in pulse counting mode or/and with gas amplification","license":"","headline":"","cross_cats":[],"primary_cat":"physics.ins-det","authors_text":"G. Charpak, P. Benaben, P. Breuil, V.Peskov","submitted_at":"2007-11-08T16:36:21Z","abstract_excerpt":"Ionization chambers working in ambient air in current detection mode are widely used in several applications such as smoke detection, dosimetry, therapeutic beam monitoring and cetera. The aim of this work was to investigate if gaseous detectors can operate in ambient air in pulse counting mode as well as with gas amplification. . To investigate the feasibility of this method two types of open- end gaseous detectors were build and successfully tested. The first one was a single wire or multiwire cylindrical geometry detector operating in pulse mode at a gas gain of 1. The second type alpha det"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0711.1312","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0711.1312/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":"2026-07-04T17:17:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LuqbF9SEUZAbBlMggZvhxSBQfW2PUoXlqx8mF3jIRZLTQxOpcZq2w/qub5kJFh2wTgMeVpfPA0RUj0HYEhHBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:14:47.634290Z"},"content_sha256":"d7c2cab9c0c572549c95cda944b44ed10cf5afa19547c9651154a3a2f127495e","schema_version":"1.0","event_id":"sha256:d7c2cab9c0c572549c95cda944b44ed10cf5afa19547c9651154a3a2f127495e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CYAGHGRR2LBZ455JLYBSJKHWSH/bundle.json","state_url":"https://pith.science/pith/CYAGHGRR2LBZ455JLYBSJKHWSH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CYAGHGRR2LBZ455JLYBSJKHWSH/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":"2026-08-06T15:14:47Z","links":{"resolver":"https://pith.science/pith/CYAGHGRR2LBZ455JLYBSJKHWSH","bundle":"https://pith.science/pith/CYAGHGRR2LBZ455JLYBSJKHWSH/bundle.json","state":"https://pith.science/pith/CYAGHGRR2LBZ455JLYBSJKHWSH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CYAGHGRR2LBZ455JLYBSJKHWSH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:CYAGHGRR2LBZ455JLYBSJKHWSH","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":"c33902d258405820c3f5b5a278ec26c8f6945bc2c7c409c6275a9f0af12c6732","cross_cats_sorted":[],"license":"","primary_cat":"physics.ins-det","submitted_at":"2007-11-08T16:36:21Z","title_canon_sha256":"91872dbc36ecfc689e98b62b89d337c91d7858265519c981451bb82b98fcdaea"},"schema_version":"1.0","source":{"id":"0711.1312","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0711.1312","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"arxiv_version","alias_value":"0711.1312v1","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0711.1312","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"pith_short_12","alias_value":"CYAGHGRR2LBZ","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"pith_short_16","alias_value":"CYAGHGRR2LBZ455J","created_at":"2026-07-04T17:17:28Z"},{"alias_kind":"pith_short_8","alias_value":"CYAGHGRR","created_at":"2026-07-04T17:17:28Z"}],"graph_snapshots":[{"event_id":"sha256:d7c2cab9c0c572549c95cda944b44ed10cf5afa19547c9651154a3a2f127495e","target":"graph","created_at":"2026-07-04T17:17:28Z","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/0711.1312/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ionization chambers working in ambient air in current detection mode are widely used in several applications such as smoke detection, dosimetry, therapeutic beam monitoring and cetera. The aim of this work was to investigate if gaseous detectors can operate in ambient air in pulse counting mode as well as with gas amplification. . To investigate the feasibility of this method two types of open- end gaseous detectors were build and successfully tested. The first one was a single wire or multiwire cylindrical geometry detector operating in pulse mode at a gas gain of 1. The second type alpha det","authors_text":"G. Charpak, P. Benaben, P. Breuil, V.Peskov","cross_cats":[],"headline":"","license":"","primary_cat":"physics.ins-det","submitted_at":"2007-11-08T16:36:21Z","title":"Detector of alpha particles and x-rays operating in ambient air in pulse counting mode or/and with gas amplification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0711.1312","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":"sha256:229ba2fafe984bcaa34c0fd70b730b287fe2d8b3140ca1e1b2797da85acf7554","target":"record","created_at":"2026-07-04T17:17:28Z","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":"c33902d258405820c3f5b5a278ec26c8f6945bc2c7c409c6275a9f0af12c6732","cross_cats_sorted":[],"license":"","primary_cat":"physics.ins-det","submitted_at":"2007-11-08T16:36:21Z","title_canon_sha256":"91872dbc36ecfc689e98b62b89d337c91d7858265519c981451bb82b98fcdaea"},"schema_version":"1.0","source":{"id":"0711.1312","kind":"arxiv","version":1}},"canonical_sha256":"1600639a31d2c39e77a95e0324a8f691fe28fa409900fcf767eb45b2eb3e29e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1600639a31d2c39e77a95e0324a8f691fe28fa409900fcf767eb45b2eb3e29e7","first_computed_at":"2026-07-04T17:17:28.231043Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:17:28.231043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zu4Ido6iry/fpRNlfhqMnhFeYhyp9raKZ0/ILxiHSyKym3T+8Qzww6+TiWU6ewbs1DiBRbz1uL/F+QYRuScFCA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:17:28.231430Z","signed_message":"canonical_sha256_bytes"},"source_id":"0711.1312","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:229ba2fafe984bcaa34c0fd70b730b287fe2d8b3140ca1e1b2797da85acf7554","sha256:d7c2cab9c0c572549c95cda944b44ed10cf5afa19547c9651154a3a2f127495e"],"state_sha256":"72a07232e278281f140f51e11c73cc9a59f410c87d64e3533083984b61a6e9fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PeRMQKIWDboop+qyLHY0sNNS44/Xel3jvp8OedW3bpv6voDd0OtzV/hipM3rgPnd6NN4tqdHN2EhIjKPT4UkCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T15:14:47.643472Z","bundle_sha256":"099ccb2d68008a36f08e534fe6f7bf2107890700fbb37bf9931aeeb407e76544"}}