{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:BET4FFSYPZUGQ5SNSS4NZYQDW6","short_pith_number":"pith:BET4FFSY","canonical_record":{"source":{"id":"hep-ex/0607015","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2006-07-12T04:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"c619604bd142a805b24021cb75edfc35dc7b4dec05bc38860e39f59c871ee3ec","abstract_canon_sha256":"f36fb922ddfb04340a715eb19450195e895acf570c7344e2b1de7bdb1d55bc72"},"schema_version":"1.0"},"canonical_sha256":"0927c296587e6868764d94b8dce203b7bc2509cbdab83fa2deffd6d629631b0d","source":{"kind":"arxiv","id":"hep-ex/0607015","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0607015","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0607015v2","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0607015","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_12","alias_value":"BET4FFSYPZUG","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_16","alias_value":"BET4FFSYPZUGQ5SN","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_8","alias_value":"BET4FFSY","created_at":"2026-07-04T15:17:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:BET4FFSYPZUGQ5SNSS4NZYQDW6","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0607015","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2006-07-12T04:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"c619604bd142a805b24021cb75edfc35dc7b4dec05bc38860e39f59c871ee3ec","abstract_canon_sha256":"f36fb922ddfb04340a715eb19450195e895acf570c7344e2b1de7bdb1d55bc72"},"schema_version":"1.0"},"canonical_sha256":"0927c296587e6868764d94b8dce203b7bc2509cbdab83fa2deffd6d629631b0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:17:03.631974Z","signature_b64":"dVo9cax3h5ekH+uT9c+iCoxLhym5ZU4uPiT+qdirtW2jjI/PYCtd2whVpKq/y2m07JxEYBRehNXsvHyHS3f5Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0927c296587e6868764d94b8dce203b7bc2509cbdab83fa2deffd6d629631b0d","last_reissued_at":"2026-07-04T15:17:03.631609Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:17:03.631609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0607015","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":"2026-07-04T15:17:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mUfATl12n8jXa2APsUsnXxzzjdSx41gMNhHxozaSiAL5RVKOKPx5XG2/DDMZBtyJ7Mk9WAJI952m9U0QshG8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:33:49.475753Z"},"content_sha256":"fcc38828bf1febc55abe3ad3501796a9e4299ab6104919de51ecc3873a35c30d","schema_version":"1.0","event_id":"sha256:fcc38828bf1febc55abe3ad3501796a9e4299ab6104919de51ecc3873a35c30d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:BET4FFSYPZUGQ5SNSS4NZYQDW6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On-site underground background measurements for the KASKA reactor-neutrino experiment","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"F. Suekane, H. Furuta, H. Miyata, H. Tabata, J. Maeda, K. Nitta, K. Sakai, K. Sakuma, M. Aoki, M. Katsumata, M. Kuze, N. Ishihara, N. Nakajima, N. Tamura, T. Hara, T. Haruna, T. Kawasaki, T. Matsubara, T. Matsumoto, T. Nakagawa, T. Sumiyoshi, Y. Fukuda, Y. Funaki, Y. Nagasaka, Y. Sakamoto, Y. Tsuchiya","submitted_at":"2006-07-12T04:51:43Z","abstract_excerpt":"On-site underground background measurements were performed for the planned reactor-neutrino oscillation experiment KASKA at Kashiwazaki-Kariwa nuclear power station in Niigata, Japan. A small-diameter boring hole was excavated down to 70m underground level, and a detector unit for $\\gamma$-ray and cosmic-muon measurements was placed at various depths to take data. The data were analyzed to obtain abundance of natural radioactive elements in the surrounding soil and rates of cosmic muons that penetrate the overburden. The results will be reflected in the design of the KASKA experiment."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0607015","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/hep-ex/0607015/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":"2026-07-04T15:17:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F7Lh++6GCLDT6qzwbjSe6y5qpQ9PUbpRFj2hZNgiNKBu35O/T2LIi+YiPY2+UzcTxrXDDcmnHuVDTFw9qTdqCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T10:33:49.476248Z"},"content_sha256":"9505530fabbaa044a2818d6e430ca16ca25b2c7f79388babdfab496f769e1c30","schema_version":"1.0","event_id":"sha256:9505530fabbaa044a2818d6e430ca16ca25b2c7f79388babdfab496f769e1c30"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6/bundle.json","state_url":"https://pith.science/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6/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":"2026-08-05T10:33:49Z","links":{"resolver":"https://pith.science/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6","bundle":"https://pith.science/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6/bundle.json","state":"https://pith.science/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BET4FFSYPZUGQ5SNSS4NZYQDW6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:BET4FFSYPZUGQ5SNSS4NZYQDW6","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":"f36fb922ddfb04340a715eb19450195e895acf570c7344e2b1de7bdb1d55bc72","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2006-07-12T04:51:43Z","title_canon_sha256":"c619604bd142a805b24021cb75edfc35dc7b4dec05bc38860e39f59c871ee3ec"},"schema_version":"1.0","source":{"id":"hep-ex/0607015","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0607015","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0607015v2","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0607015","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_12","alias_value":"BET4FFSYPZUG","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_16","alias_value":"BET4FFSYPZUGQ5SN","created_at":"2026-07-04T15:17:03Z"},{"alias_kind":"pith_short_8","alias_value":"BET4FFSY","created_at":"2026-07-04T15:17:03Z"}],"graph_snapshots":[{"event_id":"sha256:9505530fabbaa044a2818d6e430ca16ca25b2c7f79388babdfab496f769e1c30","target":"graph","created_at":"2026-07-04T15:17:03Z","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/hep-ex/0607015/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"On-site underground background measurements were performed for the planned reactor-neutrino oscillation experiment KASKA at Kashiwazaki-Kariwa nuclear power station in Niigata, Japan. A small-diameter boring hole was excavated down to 70m underground level, and a detector unit for $\\gamma$-ray and cosmic-muon measurements was placed at various depths to take data. The data were analyzed to obtain abundance of natural radioactive elements in the surrounding soil and rates of cosmic muons that penetrate the overburden. The results will be reflected in the design of the KASKA experiment.","authors_text":"F. Suekane, H. Furuta, H. Miyata, H. Tabata, J. Maeda, K. Nitta, K. Sakai, K. Sakuma, M. Aoki, M. Katsumata, M. Kuze, N. Ishihara, N. Nakajima, N. Tamura, T. Hara, T. Haruna, T. Kawasaki, T. Matsubara, T. Matsumoto, T. Nakagawa, T. Sumiyoshi, Y. Fukuda, Y. Funaki, Y. Nagasaka, Y. Sakamoto, Y. Tsuchiya","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2006-07-12T04:51:43Z","title":"On-site underground background measurements for the KASKA reactor-neutrino experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0607015","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:fcc38828bf1febc55abe3ad3501796a9e4299ab6104919de51ecc3873a35c30d","target":"record","created_at":"2026-07-04T15:17:03Z","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":"f36fb922ddfb04340a715eb19450195e895acf570c7344e2b1de7bdb1d55bc72","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2006-07-12T04:51:43Z","title_canon_sha256":"c619604bd142a805b24021cb75edfc35dc7b4dec05bc38860e39f59c871ee3ec"},"schema_version":"1.0","source":{"id":"hep-ex/0607015","kind":"arxiv","version":2}},"canonical_sha256":"0927c296587e6868764d94b8dce203b7bc2509cbdab83fa2deffd6d629631b0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0927c296587e6868764d94b8dce203b7bc2509cbdab83fa2deffd6d629631b0d","first_computed_at":"2026-07-04T15:17:03.631609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:17:03.631609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dVo9cax3h5ekH+uT9c+iCoxLhym5ZU4uPiT+qdirtW2jjI/PYCtd2whVpKq/y2m07JxEYBRehNXsvHyHS3f5Cg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:17:03.631974Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0607015","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fcc38828bf1febc55abe3ad3501796a9e4299ab6104919de51ecc3873a35c30d","sha256:9505530fabbaa044a2818d6e430ca16ca25b2c7f79388babdfab496f769e1c30"],"state_sha256":"e211507e16668d54c13a84d5fc9db1efe666aa580fa2f35f75ba1f2cec2279ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k2rQB005O4BIYYHqMCcbnpYZqkFljoR1L5bOGb4m9XK94sgafABH6srtoRedATAG4cxLsSLEnTm3Khv+GLNrBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T10:33:49.479840Z","bundle_sha256":"d0b357496acc872612f7a9a4a981a0dce82c2ab8cd7f18d62176abcb80fb493e"}}