{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:MROISRCAR6KJ32FDJCRG3MBNFD","short_pith_number":"pith:MROISRCA","canonical_record":{"source":{"id":"physics/0606210","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.med-ph","submitted_at":"2006-06-25T20:52:40Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3be574780660fb870e386dc459c9c400bdc81cc682e0b0de4bf6457fc6e0d9b7","abstract_canon_sha256":"4a411385906fd50772aaefd5ca31cf99b0a048f307930b57e701a1c4fa47fea8"},"schema_version":"1.0"},"canonical_sha256":"645c8944408f949de8a348a26db02d28d4738b2d49ae30a322b0f29356f3d60a","source":{"kind":"arxiv","id":"physics/0606210","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0606210","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0606210v1","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0606210","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"pith_short_12","alias_value":"MROISRCAR6KJ","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"pith_short_16","alias_value":"MROISRCAR6KJ32FD","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"pith_short_8","alias_value":"MROISRCA","created_at":"2026-07-04T15:22:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:MROISRCAR6KJ32FDJCRG3MBNFD","target":"record","payload":{"canonical_record":{"source":{"id":"physics/0606210","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"physics.med-ph","submitted_at":"2006-06-25T20:52:40Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3be574780660fb870e386dc459c9c400bdc81cc682e0b0de4bf6457fc6e0d9b7","abstract_canon_sha256":"4a411385906fd50772aaefd5ca31cf99b0a048f307930b57e701a1c4fa47fea8"},"schema_version":"1.0"},"canonical_sha256":"645c8944408f949de8a348a26db02d28d4738b2d49ae30a322b0f29356f3d60a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:22:48.615436Z","signature_b64":"H2tmbK+byMSiODLI1y9b8AsIhej+6FbZMqalM0gr+M1GaYRGokLw0aEkGCl35446rRnykvaezd5I7xgduR+AAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"645c8944408f949de8a348a26db02d28d4738b2d49ae30a322b0f29356f3d60a","last_reissued_at":"2026-07-04T15:22:48.615035Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:22:48.615035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"physics/0606210","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":"2026-07-04T15:22:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bryp0PMz+fKFpWjtLpqqS0kdzyEqUMEMM2ghE0bZnZSoRr7V9wpIrRYEmQWAO8is1TJKIBwZqS6MkwfICfn7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:53:36.760737Z"},"content_sha256":"f2bef51400d745997af6acadb5f96016c5a9d5ab0501f75169586bef0512b0bf","schema_version":"1.0","event_id":"sha256:f2bef51400d745997af6acadb5f96016c5a9d5ab0501f75169586bef0512b0bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:MROISRCAR6KJ32FDJCRG3MBNFD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advances in imaging THGEM-based detectors","license":"","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.med-ph","authors_text":"A. Breskin, D. Bar, D. Vartzky, G. Guedes, M. Cortesi, R. Chechik, V. Dangendorf","submitted_at":"2006-06-25T20:52:40Z","abstract_excerpt":"The thick GEM (THGEM) [1] is an \"expanded\" GEM, economically produced in the PCB industry by simple drilling and etching in G-10 or other insulating materials (fig. 1). Similar to GEM, its operation is based on electron gas avalanche multiplication in sub-mm holes, resulting in very high gain and fast signals. Due to its large hole size, the THGEM is particularly efficient in transporting the electrons into and from the holes, leading to efficient single-electron detection and effective cascaded operation. The THGEM provides true pixilated radiation localization, ns signals, high gain and high"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0606210","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/physics/0606210/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":"2026-07-04T15:22:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8hGbxgY6ZlyXFdc/Kuz4UuKiL6WZPMZm1KNJTkPNyvGmbnvZ9S9HYgnyoiu2f+iTSnbpK27Sw6hVAJMuEPICCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T01:53:36.761146Z"},"content_sha256":"7f3584f8a3b17c2f819c376283f3110c401579933d670a7c4e5edc93078594ca","schema_version":"1.0","event_id":"sha256:7f3584f8a3b17c2f819c376283f3110c401579933d670a7c4e5edc93078594ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MROISRCAR6KJ32FDJCRG3MBNFD/bundle.json","state_url":"https://pith.science/pith/MROISRCAR6KJ32FDJCRG3MBNFD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MROISRCAR6KJ32FDJCRG3MBNFD/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":"2026-07-09T01:53:36Z","links":{"resolver":"https://pith.science/pith/MROISRCAR6KJ32FDJCRG3MBNFD","bundle":"https://pith.science/pith/MROISRCAR6KJ32FDJCRG3MBNFD/bundle.json","state":"https://pith.science/pith/MROISRCAR6KJ32FDJCRG3MBNFD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MROISRCAR6KJ32FDJCRG3MBNFD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:MROISRCAR6KJ32FDJCRG3MBNFD","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":"4a411385906fd50772aaefd5ca31cf99b0a048f307930b57e701a1c4fa47fea8","cross_cats_sorted":["physics.ins-det"],"license":"","primary_cat":"physics.med-ph","submitted_at":"2006-06-25T20:52:40Z","title_canon_sha256":"3be574780660fb870e386dc459c9c400bdc81cc682e0b0de4bf6457fc6e0d9b7"},"schema_version":"1.0","source":{"id":"physics/0606210","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0606210","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0606210v1","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0606210","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"pith_short_12","alias_value":"MROISRCAR6KJ","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"pith_short_16","alias_value":"MROISRCAR6KJ32FD","created_at":"2026-07-04T15:22:48Z"},{"alias_kind":"pith_short_8","alias_value":"MROISRCA","created_at":"2026-07-04T15:22:48Z"}],"graph_snapshots":[{"event_id":"sha256:7f3584f8a3b17c2f819c376283f3110c401579933d670a7c4e5edc93078594ca","target":"graph","created_at":"2026-07-04T15:22:48Z","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/physics/0606210/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The thick GEM (THGEM) [1] is an \"expanded\" GEM, economically produced in the PCB industry by simple drilling and etching in G-10 or other insulating materials (fig. 1). Similar to GEM, its operation is based on electron gas avalanche multiplication in sub-mm holes, resulting in very high gain and fast signals. Due to its large hole size, the THGEM is particularly efficient in transporting the electrons into and from the holes, leading to efficient single-electron detection and effective cascaded operation. The THGEM provides true pixilated radiation localization, ns signals, high gain and high","authors_text":"A. Breskin, D. Bar, D. Vartzky, G. Guedes, M. Cortesi, R. Chechik, V. Dangendorf","cross_cats":["physics.ins-det"],"headline":"","license":"","primary_cat":"physics.med-ph","submitted_at":"2006-06-25T20:52:40Z","title":"Advances in imaging THGEM-based detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0606210","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:f2bef51400d745997af6acadb5f96016c5a9d5ab0501f75169586bef0512b0bf","target":"record","created_at":"2026-07-04T15:22:48Z","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":"4a411385906fd50772aaefd5ca31cf99b0a048f307930b57e701a1c4fa47fea8","cross_cats_sorted":["physics.ins-det"],"license":"","primary_cat":"physics.med-ph","submitted_at":"2006-06-25T20:52:40Z","title_canon_sha256":"3be574780660fb870e386dc459c9c400bdc81cc682e0b0de4bf6457fc6e0d9b7"},"schema_version":"1.0","source":{"id":"physics/0606210","kind":"arxiv","version":1}},"canonical_sha256":"645c8944408f949de8a348a26db02d28d4738b2d49ae30a322b0f29356f3d60a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"645c8944408f949de8a348a26db02d28d4738b2d49ae30a322b0f29356f3d60a","first_computed_at":"2026-07-04T15:22:48.615035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:22:48.615035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H2tmbK+byMSiODLI1y9b8AsIhej+6FbZMqalM0gr+M1GaYRGokLw0aEkGCl35446rRnykvaezd5I7xgduR+AAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:22:48.615436Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0606210","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2bef51400d745997af6acadb5f96016c5a9d5ab0501f75169586bef0512b0bf","sha256:7f3584f8a3b17c2f819c376283f3110c401579933d670a7c4e5edc93078594ca"],"state_sha256":"e4fbf8986450cbc66c5015b87ee4f946ecf82d73f25d684c0af9a21f8e33cf7d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NR89Z5FGBx5nqHnqX2/cjL4Xx5Is9v/uh2IoyFu2UreBAUz+7jHstBjp4aj5pm5hNdTfHMoGFZutwzZiDGaEBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T01:53:36.763632Z","bundle_sha256":"306783a1ecdb88e48d7a838edbb882c6780afe0caa3e7973f0080d3e768aead8"}}