{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XMGXCFZYPOTKIPSNBKGNVOBJJA","short_pith_number":"pith:XMGXCFZY","canonical_record":{"source":{"id":"2207.04995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-07-11T16:41:52Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"707d196476b4ac720f5177c1d02b4ed569e72c702531eac6c02c7baff9907000","abstract_canon_sha256":"dc91a363789419e92fed5491e9c0493daa832a9a7d75bca2e3e1d5288857ec1a"},"schema_version":"1.0"},"canonical_sha256":"bb0d7117387ba6a43e4d0a8cdab829483afdeb4eb0f07bbac7f0c25e4b1b97bf","source":{"kind":"arxiv","id":"2207.04995","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.04995","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"arxiv_version","alias_value":"2207.04995v1","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04995","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"pith_short_12","alias_value":"XMGXCFZYPOTK","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"pith_short_16","alias_value":"XMGXCFZYPOTKIPSN","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"pith_short_8","alias_value":"XMGXCFZY","created_at":"2026-07-05T04:39:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XMGXCFZYPOTKIPSNBKGNVOBJJA","target":"record","payload":{"canonical_record":{"source":{"id":"2207.04995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-07-11T16:41:52Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"707d196476b4ac720f5177c1d02b4ed569e72c702531eac6c02c7baff9907000","abstract_canon_sha256":"dc91a363789419e92fed5491e9c0493daa832a9a7d75bca2e3e1d5288857ec1a"},"schema_version":"1.0"},"canonical_sha256":"bb0d7117387ba6a43e4d0a8cdab829483afdeb4eb0f07bbac7f0c25e4b1b97bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:39:05.874386Z","signature_b64":"YlkmuD8ON6BRaredGl/Ra2B6QWJ6TJ+OirznZZMT+DAwWtRRCf4nq/AeZjdI+x3pw8U/AA9YjgQRJiZUk+3EAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb0d7117387ba6a43e4d0a8cdab829483afdeb4eb0f07bbac7f0c25e4b1b97bf","last_reissued_at":"2026-07-05T04:39:05.873833Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:39:05.873833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.04995","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":"2026-07-05T04:39:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"55gN5+jQxKvyjd1g31FJGDD4H5d2uLN9fWv3VkWtG9Y76Q9PEFQOGm3jisqHv7q7PY2PkYGeWTcimhkzuzxoBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T11:46:39.455223Z"},"content_sha256":"b1dc870b6e99e821bcf7216e0ad09c4f53b0e670a0ea10c8e125d437bd74d725","schema_version":"1.0","event_id":"sha256:b1dc870b6e99e821bcf7216e0ad09c4f53b0e670a0ea10c8e125d437bd74d725"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XMGXCFZYPOTKIPSNBKGNVOBJJA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Afterpulse measurement of JUNO 20-inch PMTs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"physics.ins-det","authors_text":"Alexander Olshevskiy, Arseny Rybnikov, Bj\\\"orn Wonsak, Denis Korablev, Hang Hu, Jun Hu, Jun Wang, Min Li, Nikolay Anfimov, Rong Zhao, Wei Wang, Xiaolu Ji, Yu Chen, Zhaoyuan Peng, Zhimin Wang, Zhonghua Qin","submitted_at":"2022-07-11T16:41:52Z","abstract_excerpt":"In this article we present the large photo-multiplier tube (PMT) afterpulse measurement results of Jiangmen Underground Neutrino Observatory (JUNO) experiment. Totally 11 dynode-PMTs (R12860) from Hamamatsu company and 150 micro-channel plate PMTs (MCP-PMTs, GDB-6201) from NNVT company were tested, an afterpulse model is built according to the afterpulse time distribution and probability of occurrence for these two types of PMTs. The average ratio between the total afterpulse charge with the delay between 0.5 $\\mu$ s and 20 $\\mu$ s to the primary pulse charge is 5.6%(13.2%) for the tested MCP-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04995","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/2207.04995/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":"2026-07-05T04:39:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gsjlp8dV2/s7ODbhI2PVmPM/i0moU03Ydn4WMqDcHBAEx0i15c/u38UwT3rJDB9Xhj2s36SATCiH90sk1HLVCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T11:46:39.456037Z"},"content_sha256":"a7f3e4851d17d744d358284f94bb38f9737abedff3d06c79fd1c03c27511e18a","schema_version":"1.0","event_id":"sha256:a7f3e4851d17d744d358284f94bb38f9737abedff3d06c79fd1c03c27511e18a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA/bundle.json","state_url":"https://pith.science/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA/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":"2026-08-23T11:46:39Z","links":{"resolver":"https://pith.science/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA","bundle":"https://pith.science/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA/bundle.json","state":"https://pith.science/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XMGXCFZYPOTKIPSNBKGNVOBJJA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XMGXCFZYPOTKIPSNBKGNVOBJJA","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":"dc91a363789419e92fed5491e9c0493daa832a9a7d75bca2e3e1d5288857ec1a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-07-11T16:41:52Z","title_canon_sha256":"707d196476b4ac720f5177c1d02b4ed569e72c702531eac6c02c7baff9907000"},"schema_version":"1.0","source":{"id":"2207.04995","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.04995","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"arxiv_version","alias_value":"2207.04995v1","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04995","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"pith_short_12","alias_value":"XMGXCFZYPOTK","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"pith_short_16","alias_value":"XMGXCFZYPOTKIPSN","created_at":"2026-07-05T04:39:05Z"},{"alias_kind":"pith_short_8","alias_value":"XMGXCFZY","created_at":"2026-07-05T04:39:05Z"}],"graph_snapshots":[{"event_id":"sha256:a7f3e4851d17d744d358284f94bb38f9737abedff3d06c79fd1c03c27511e18a","target":"graph","created_at":"2026-07-05T04:39:05Z","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/2207.04995/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this article we present the large photo-multiplier tube (PMT) afterpulse measurement results of Jiangmen Underground Neutrino Observatory (JUNO) experiment. Totally 11 dynode-PMTs (R12860) from Hamamatsu company and 150 micro-channel plate PMTs (MCP-PMTs, GDB-6201) from NNVT company were tested, an afterpulse model is built according to the afterpulse time distribution and probability of occurrence for these two types of PMTs. The average ratio between the total afterpulse charge with the delay between 0.5 $\\mu$ s and 20 $\\mu$ s to the primary pulse charge is 5.6%(13.2%) for the tested MCP-","authors_text":"Alexander Olshevskiy, Arseny Rybnikov, Bj\\\"orn Wonsak, Denis Korablev, Hang Hu, Jun Hu, Jun Wang, Min Li, Nikolay Anfimov, Rong Zhao, Wei Wang, Xiaolu Ji, Yu Chen, Zhaoyuan Peng, Zhimin Wang, Zhonghua Qin","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-07-11T16:41:52Z","title":"Afterpulse measurement of JUNO 20-inch PMTs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04995","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:b1dc870b6e99e821bcf7216e0ad09c4f53b0e670a0ea10c8e125d437bd74d725","target":"record","created_at":"2026-07-05T04:39:05Z","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":"dc91a363789419e92fed5491e9c0493daa832a9a7d75bca2e3e1d5288857ec1a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-07-11T16:41:52Z","title_canon_sha256":"707d196476b4ac720f5177c1d02b4ed569e72c702531eac6c02c7baff9907000"},"schema_version":"1.0","source":{"id":"2207.04995","kind":"arxiv","version":1}},"canonical_sha256":"bb0d7117387ba6a43e4d0a8cdab829483afdeb4eb0f07bbac7f0c25e4b1b97bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb0d7117387ba6a43e4d0a8cdab829483afdeb4eb0f07bbac7f0c25e4b1b97bf","first_computed_at":"2026-07-05T04:39:05.873833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:39:05.873833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YlkmuD8ON6BRaredGl/Ra2B6QWJ6TJ+OirznZZMT+DAwWtRRCf4nq/AeZjdI+x3pw8U/AA9YjgQRJiZUk+3EAw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:39:05.874386Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.04995","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1dc870b6e99e821bcf7216e0ad09c4f53b0e670a0ea10c8e125d437bd74d725","sha256:a7f3e4851d17d744d358284f94bb38f9737abedff3d06c79fd1c03c27511e18a"],"state_sha256":"96a2af5c0765724cf9cc740e9bff3d5f69364f00dc9d9d2d26147d02c8503c8f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uzWTZpeXQ4KNTvQro0xT3rP2hXJXUOY2A9oHzGIZFNid5tWApGwPTZxSFfewIvKQcuQAY0HPkBZYcYNUzFp+DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T11:46:39.461602Z","bundle_sha256":"88c807352c80487713ea47e106afb440fa5ccc562ec1198a3d2d5909a554353a"}}