{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:SPXOA7ZQG7V25S3IVAENU7VHIB","short_pith_number":"pith:SPXOA7ZQ","canonical_record":{"source":{"id":"2004.10493","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-22T11:13:36Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"b63d29bdd1a9e799092403c02b63a4d185a05392f3556bab0ed2143a5edd4fd4","abstract_canon_sha256":"32c0d7e5a86685a300a009973e623cb662bd1f92fe7d7f2adec077bab9f80dd3"},"schema_version":"1.0"},"canonical_sha256":"93eee07f3037ebaecb68a808da7ea7407689bb2a6d474960078dc3e961d01d1d","source":{"kind":"arxiv","id":"2004.10493","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.10493","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"arxiv_version","alias_value":"2004.10493v3","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.10493","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"pith_short_12","alias_value":"SPXOA7ZQG7V2","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"pith_short_16","alias_value":"SPXOA7ZQG7V25S3I","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"pith_short_8","alias_value":"SPXOA7ZQ","created_at":"2026-07-05T01:41:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:SPXOA7ZQG7V25S3IVAENU7VHIB","target":"record","payload":{"canonical_record":{"source":{"id":"2004.10493","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-22T11:13:36Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"b63d29bdd1a9e799092403c02b63a4d185a05392f3556bab0ed2143a5edd4fd4","abstract_canon_sha256":"32c0d7e5a86685a300a009973e623cb662bd1f92fe7d7f2adec077bab9f80dd3"},"schema_version":"1.0"},"canonical_sha256":"93eee07f3037ebaecb68a808da7ea7407689bb2a6d474960078dc3e961d01d1d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:41:17.924748Z","signature_b64":"doYXU8092O4ESPZ9x5SCaaZLZvSq6YV4lW5v7qF3TxwNXKq9sil9c9PJsra98NrpoTLvuX6VOzvjW+i6EMh+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93eee07f3037ebaecb68a808da7ea7407689bb2a6d474960078dc3e961d01d1d","last_reissued_at":"2026-07-05T01:41:17.924153Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:41:17.924153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.10493","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:41:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IBelf0eaQWHzWrl5BrxQ7OYFcQwjbFP1AGxVTRdmUcwA44OD7TW1caMQB/iQkvAPd4/Tl+7I/cQYOd5g3BRBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:07:41.029668Z"},"content_sha256":"0bb7be8671b4cd0060a485f68f2c3e4f741d23629bb12dde9d76bb23b5a93b93","schema_version":"1.0","event_id":"sha256:0bb7be8671b4cd0060a485f68f2c3e4f741d23629bb12dde9d76bb23b5a93b93"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:SPXOA7ZQG7V25S3IVAENU7VHIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First evidence of luminescence in a He/CF$_4$ gas mixture induced by non-ionizing electrons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"A. Cortez, A. Messina, A. Orlandi, A. Russo, C. Capoccia, D. Piccolo, D. Pierluigi, D. Pinci, E. Baracchini, E. Di Marco, E. Paoletti, F. Iacoangeli, F. Petrucci, F. Renga, F. Rosatelli, G. Cavoto, G. Dho, G. D'Imperio, G. Maccarrone, G. Mazzitelli, G. Saviano, I. A. Costa, L. Benussi, L. Passamonti, M. Caponero, M. Marafini, S. Bianco, S. Tomassini","submitted_at":"2020-04-22T11:13:36Z","abstract_excerpt":"Optical readout of Gas Electron Multipliers (GEM) provides very interesting performances and has been proposed for different applications in particle physics. In particular, thanks to its good efficiency in the keV energy range, it is being developed for low-energy and rare event studies, such as Dark Matter search. So far, the optical approach exploits the light produced during the avalanche processes in GEM channels. Further luminescence in the gas can be induced by electrons accelerated by a suitable electric field. The CYGNO collaboration studied this process with a combined use of a tripl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.10493","kind":"arxiv","version":3},"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/2004.10493/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":"2026-07-05T01:41:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7hP68rOgAGIeq5txKCaLUdTEIH3PHC0SaFiItVVR0QikBR9OLnJpItdCACihFFmYzBv3j0zTEpaX1vTepVQiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T17:07:41.030153Z"},"content_sha256":"16e8c5703c8c34fb4e53af0606d744358a1fd38efdeac02b4fad27fbe1ee0204","schema_version":"1.0","event_id":"sha256:16e8c5703c8c34fb4e53af0606d744358a1fd38efdeac02b4fad27fbe1ee0204"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SPXOA7ZQG7V25S3IVAENU7VHIB/bundle.json","state_url":"https://pith.science/pith/SPXOA7ZQG7V25S3IVAENU7VHIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SPXOA7ZQG7V25S3IVAENU7VHIB/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":"2026-08-06T17:07:41Z","links":{"resolver":"https://pith.science/pith/SPXOA7ZQG7V25S3IVAENU7VHIB","bundle":"https://pith.science/pith/SPXOA7ZQG7V25S3IVAENU7VHIB/bundle.json","state":"https://pith.science/pith/SPXOA7ZQG7V25S3IVAENU7VHIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SPXOA7ZQG7V25S3IVAENU7VHIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:SPXOA7ZQG7V25S3IVAENU7VHIB","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":"32c0d7e5a86685a300a009973e623cb662bd1f92fe7d7f2adec077bab9f80dd3","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-22T11:13:36Z","title_canon_sha256":"b63d29bdd1a9e799092403c02b63a4d185a05392f3556bab0ed2143a5edd4fd4"},"schema_version":"1.0","source":{"id":"2004.10493","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.10493","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"arxiv_version","alias_value":"2004.10493v3","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.10493","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"pith_short_12","alias_value":"SPXOA7ZQG7V2","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"pith_short_16","alias_value":"SPXOA7ZQG7V25S3I","created_at":"2026-07-05T01:41:17Z"},{"alias_kind":"pith_short_8","alias_value":"SPXOA7ZQ","created_at":"2026-07-05T01:41:17Z"}],"graph_snapshots":[{"event_id":"sha256:16e8c5703c8c34fb4e53af0606d744358a1fd38efdeac02b4fad27fbe1ee0204","target":"graph","created_at":"2026-07-05T01:41:17Z","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/2004.10493/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical readout of Gas Electron Multipliers (GEM) provides very interesting performances and has been proposed for different applications in particle physics. In particular, thanks to its good efficiency in the keV energy range, it is being developed for low-energy and rare event studies, such as Dark Matter search. So far, the optical approach exploits the light produced during the avalanche processes in GEM channels. Further luminescence in the gas can be induced by electrons accelerated by a suitable electric field. The CYGNO collaboration studied this process with a combined use of a tripl","authors_text":"A. Cortez, A. Messina, A. Orlandi, A. Russo, C. Capoccia, D. Piccolo, D. Pierluigi, D. Pinci, E. Baracchini, E. Di Marco, E. Paoletti, F. Iacoangeli, F. Petrucci, F. Renga, F. Rosatelli, G. Cavoto, G. Dho, G. D'Imperio, G. Maccarrone, G. Mazzitelli, G. Saviano, I. A. Costa, L. Benussi, L. Passamonti, M. Caponero, M. Marafini, S. Bianco, S. Tomassini","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-22T11:13:36Z","title":"First evidence of luminescence in a He/CF$_4$ gas mixture induced by non-ionizing electrons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.10493","kind":"arxiv","version":3},"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":"sha256:0bb7be8671b4cd0060a485f68f2c3e4f741d23629bb12dde9d76bb23b5a93b93","target":"record","created_at":"2026-07-05T01:41:17Z","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":"32c0d7e5a86685a300a009973e623cb662bd1f92fe7d7f2adec077bab9f80dd3","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2020-04-22T11:13:36Z","title_canon_sha256":"b63d29bdd1a9e799092403c02b63a4d185a05392f3556bab0ed2143a5edd4fd4"},"schema_version":"1.0","source":{"id":"2004.10493","kind":"arxiv","version":3}},"canonical_sha256":"93eee07f3037ebaecb68a808da7ea7407689bb2a6d474960078dc3e961d01d1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"93eee07f3037ebaecb68a808da7ea7407689bb2a6d474960078dc3e961d01d1d","first_computed_at":"2026-07-05T01:41:17.924153Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:41:17.924153Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"doYXU8092O4ESPZ9x5SCaaZLZvSq6YV4lW5v7qF3TxwNXKq9sil9c9PJsra98NrpoTLvuX6VOzvjW+i6EMh+Cg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:41:17.924748Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.10493","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0bb7be8671b4cd0060a485f68f2c3e4f741d23629bb12dde9d76bb23b5a93b93","sha256:16e8c5703c8c34fb4e53af0606d744358a1fd38efdeac02b4fad27fbe1ee0204"],"state_sha256":"f3118e7e1e5d2053e4072d4d29ddbdb38d7fb4b81aa16abcff9344ac46b7642a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SJjnevFNC5bnvSIUetOlX5Fq5jzQ3iBW71TPOIAY79DSb1A2nayEAIFMowYCMc/hwceHWHlXXxcnC+fRiF/CCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T17:07:41.033405Z","bundle_sha256":"2d5f91bc66e59b235f798157bfce30172b5bfc5f02c1ffebc377f634a9928a50"}}