{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KYNPKTB3JSQA656CBQ2VXANRFY","short_pith_number":"pith:KYNPKTB3","canonical_record":{"source":{"id":"1507.05488","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-07-20T13:37:41Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"63608fdc1c1106505cdddac43b64c1edab042e9838e940af0824bfe0bca85abe","abstract_canon_sha256":"7cb2c15b1c361aab16f21f93c45a68ffd03270e027ef70852d9dac0f059114bd"},"schema_version":"1.0"},"canonical_sha256":"561af54c3b4ca00f77c20c355b81b12e19bc5b2c088cb4b137d4a47b33a9b9dd","source":{"kind":"arxiv","id":"1507.05488","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05488","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05488v2","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05488","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"KYNPKTB3JSQA","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KYNPKTB3JSQA656C","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KYNPKTB3","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KYNPKTB3JSQA656CBQ2VXANRFY","target":"record","payload":{"canonical_record":{"source":{"id":"1507.05488","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-07-20T13:37:41Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"63608fdc1c1106505cdddac43b64c1edab042e9838e940af0824bfe0bca85abe","abstract_canon_sha256":"7cb2c15b1c361aab16f21f93c45a68ffd03270e027ef70852d9dac0f059114bd"},"schema_version":"1.0"},"canonical_sha256":"561af54c3b4ca00f77c20c355b81b12e19bc5b2c088cb4b137d4a47b33a9b9dd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:22.029041Z","signature_b64":"RspCCK2F/Q4iCNYsGNP26aTX73KoDHO4rC5tHWC1LyWjbGV8WDTMb9wWEiz5CocuI/0BBs58nxCKLyLKe3yVDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"561af54c3b4ca00f77c20c355b81b12e19bc5b2c088cb4b137d4a47b33a9b9dd","last_reissued_at":"2026-05-18T01:36:22.028593Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:22.028593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.05488","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":"2026-05-18T01:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4r9uhXIg5qM6jD8i+whqevlfIuZCpPVYRB1Saa0NDQk/yHne1HjBpUXumwkR8JElhf9cERjki/U6Z0oymgPiDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T15:11:40.760115Z"},"content_sha256":"f0de56c213f4175425eae6c08095c38fea814922fd8b397508dc181d5466cca9","schema_version":"1.0","event_id":"sha256:f0de56c213f4175425eae6c08095c38fea814922fd8b397508dc181d5466cca9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KYNPKTB3JSQA656CBQ2VXANRFY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The study of the thermal neutron flux in the deep underground laboratory DULB-4900","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A. M. Gangapshev, A. M. Gezhaev, A. U. Kudzhaev, D. A. Tekueva, D. D. Dzhappuev, S. I. Panasenko, S. P. Yakimenko, S. S. Ratkevich, V. V. Alekseenko, V. V. Kazalov, V. V. Kuzminov, Yu. M. Gavrilyuk, Yu. V. Sten'kin","submitted_at":"2015-07-20T13:37:41Z","abstract_excerpt":"We report on the study of thermal neutron flux using monitors based on mixture of ZnS(Ag) and LiF enriched with a lithium-6 isotope at the deep underground laboratory DULB-4900 at the Baksan Neutrino Observatory. An annual modulation of thermal neutron flux in DULB-4900 is observed. Experimental evidences were obtained of correlation between the long-term thermal neutron flux variations and the absolute humidity of the air in laboratory. The amplitude of the modulation exceed 5\\% of total neutron flux."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05488","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":""},"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":"2026-05-18T01:36:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sk/huFwgEBd/+EhgcSf+PBlhY9nFa1NXdVcAvL/VdMBdcPLhbyQouO77qHVuU87hcd2mOvhTQogU7xH0aE98Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T15:11:40.760481Z"},"content_sha256":"0fc320df3687c43003b17aae1daa08768b0fac86b5ff3511ba25059db21e8032","schema_version":"1.0","event_id":"sha256:0fc320df3687c43003b17aae1daa08768b0fac86b5ff3511ba25059db21e8032"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYNPKTB3JSQA656CBQ2VXANRFY/bundle.json","state_url":"https://pith.science/pith/KYNPKTB3JSQA656CBQ2VXANRFY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYNPKTB3JSQA656CBQ2VXANRFY/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":"2026-05-20T15:11:40Z","links":{"resolver":"https://pith.science/pith/KYNPKTB3JSQA656CBQ2VXANRFY","bundle":"https://pith.science/pith/KYNPKTB3JSQA656CBQ2VXANRFY/bundle.json","state":"https://pith.science/pith/KYNPKTB3JSQA656CBQ2VXANRFY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYNPKTB3JSQA656CBQ2VXANRFY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KYNPKTB3JSQA656CBQ2VXANRFY","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":"7cb2c15b1c361aab16f21f93c45a68ffd03270e027ef70852d9dac0f059114bd","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-07-20T13:37:41Z","title_canon_sha256":"63608fdc1c1106505cdddac43b64c1edab042e9838e940af0824bfe0bca85abe"},"schema_version":"1.0","source":{"id":"1507.05488","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05488","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05488v2","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05488","created_at":"2026-05-18T01:36:22Z"},{"alias_kind":"pith_short_12","alias_value":"KYNPKTB3JSQA","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KYNPKTB3JSQA656C","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KYNPKTB3","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:0fc320df3687c43003b17aae1daa08768b0fac86b5ff3511ba25059db21e8032","target":"graph","created_at":"2026-05-18T01:36:22Z","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"},"paper":{"abstract_excerpt":"We report on the study of thermal neutron flux using monitors based on mixture of ZnS(Ag) and LiF enriched with a lithium-6 isotope at the deep underground laboratory DULB-4900 at the Baksan Neutrino Observatory. An annual modulation of thermal neutron flux in DULB-4900 is observed. Experimental evidences were obtained of correlation between the long-term thermal neutron flux variations and the absolute humidity of the air in laboratory. The amplitude of the modulation exceed 5\\% of total neutron flux.","authors_text":"A. M. Gangapshev, A. M. Gezhaev, A. U. Kudzhaev, D. A. Tekueva, D. D. Dzhappuev, S. I. Panasenko, S. P. Yakimenko, S. S. Ratkevich, V. V. Alekseenko, V. V. Kazalov, V. V. Kuzminov, Yu. M. Gavrilyuk, Yu. V. Sten'kin","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-07-20T13:37:41Z","title":"The study of the thermal neutron flux in the deep underground laboratory DULB-4900"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05488","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:f0de56c213f4175425eae6c08095c38fea814922fd8b397508dc181d5466cca9","target":"record","created_at":"2026-05-18T01:36:22Z","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":"7cb2c15b1c361aab16f21f93c45a68ffd03270e027ef70852d9dac0f059114bd","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-07-20T13:37:41Z","title_canon_sha256":"63608fdc1c1106505cdddac43b64c1edab042e9838e940af0824bfe0bca85abe"},"schema_version":"1.0","source":{"id":"1507.05488","kind":"arxiv","version":2}},"canonical_sha256":"561af54c3b4ca00f77c20c355b81b12e19bc5b2c088cb4b137d4a47b33a9b9dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"561af54c3b4ca00f77c20c355b81b12e19bc5b2c088cb4b137d4a47b33a9b9dd","first_computed_at":"2026-05-18T01:36:22.028593Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:22.028593Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RspCCK2F/Q4iCNYsGNP26aTX73KoDHO4rC5tHWC1LyWjbGV8WDTMb9wWEiz5CocuI/0BBs58nxCKLyLKe3yVDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:22.029041Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.05488","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f0de56c213f4175425eae6c08095c38fea814922fd8b397508dc181d5466cca9","sha256:0fc320df3687c43003b17aae1daa08768b0fac86b5ff3511ba25059db21e8032"],"state_sha256":"fae329852e9cfdd6ae8832522ce971c4ab80e4679ecafd6d8d7000c34dd27631"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eDk9BsYv/CiU8VDLZcm11Dpk+riILtyNPEmm9Z05jUt0TDaJwm6S4d2SGmbVvoE+8L+ieiZjXSJMjfPnuaFfDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T15:11:40.762623Z","bundle_sha256":"5a692fd217c1863c16f69be8dad408683d8c5ea41bc8aa852787a9c258e4e326"}}