{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MNPRXQZNWBMBVFBUPH5H5IUWV7","short_pith_number":"pith:MNPRXQZN","canonical_record":{"source":{"id":"1806.03060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-06-08T10:06:22Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3dbc55267652df6256d6fcc21c3b8bfab643ff31949cb0d47c91f1e4c90fd050","abstract_canon_sha256":"c5706196bc930325ef5b3befbc0394d04810532b5cce922c4f376bb96fb0bb45"},"schema_version":"1.0"},"canonical_sha256":"635f1bc32db0581a943479fa7ea296afdcd8e309a5e77c93b0748a22a25e481c","source":{"kind":"arxiv","id":"1806.03060","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.03060","created_at":"2026-05-18T00:09:11Z"},{"alias_kind":"arxiv_version","alias_value":"1806.03060v1","created_at":"2026-05-18T00:09:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03060","created_at":"2026-05-18T00:09:11Z"},{"alias_kind":"pith_short_12","alias_value":"MNPRXQZNWBMB","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MNPRXQZNWBMBVFBU","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MNPRXQZN","created_at":"2026-05-18T12:32:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MNPRXQZNWBMBVFBUPH5H5IUWV7","target":"record","payload":{"canonical_record":{"source":{"id":"1806.03060","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-06-08T10:06:22Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"3dbc55267652df6256d6fcc21c3b8bfab643ff31949cb0d47c91f1e4c90fd050","abstract_canon_sha256":"c5706196bc930325ef5b3befbc0394d04810532b5cce922c4f376bb96fb0bb45"},"schema_version":"1.0"},"canonical_sha256":"635f1bc32db0581a943479fa7ea296afdcd8e309a5e77c93b0748a22a25e481c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:11.391636Z","signature_b64":"Uj2Z/6iXf1kTXonSkRN1H+SMDquA8EyTi+iQGqwaoA4fUDdg4ufxswaKi8Q1FYhhbr9VOQtXyiMfQWaLurLOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"635f1bc32db0581a943479fa7ea296afdcd8e309a5e77c93b0748a22a25e481c","last_reissued_at":"2026-05-18T00:09:11.391007Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:11.391007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.03060","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":"2026-05-18T00:09:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Juk6oukg5IRDu8tZPu4LQEJA7NQBpC79+HBJ9L+qLNN7xVe7AxL9ewuFf0ffZX9n2lwJLAwXHT+6+1ylxPg9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T13:55:37.808050Z"},"content_sha256":"8ded3f8e8011f4f0e914a95bb6bd0bd6bbf51e45d5d74312ab7a8ef98bdbef2a","schema_version":"1.0","event_id":"sha256:8ded3f8e8011f4f0e914a95bb6bd0bd6bbf51e45d5d74312ab7a8ef98bdbef2a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MNPRXQZNWBMBVFBUPH5H5IUWV7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"2K(2\\nu)-Capture in Xe-124: Results of Data Processing for an Exposure of 37.7 kg x day","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"nucl-ex","authors_text":"A.M.Gangapshev, D.A.Tekueva, S.I.Panasenko, S.S.Ratkevich, V.V.Kazalov, V.V.Kuzminov, Yu.M.Gavriljuk","submitted_at":"2018-06-08T10:06:22Z","abstract_excerpt":"The results of the experimental search for two-neutrino $2K$-capture in $^{124}$Xe with a large copper proportional counter obtained by processing the data for an exposure of 37.7 kg$\\times$day are presented. The experimental setup is located at the Underground Low-Background Laboratory of the Baksan Neutrino Observatory at a depth of 4900 m w.e. The combination of methods of selection of useful signals with a unique set of characteristics and the event topology taken into account allowed us to suppress the background in the energy region of interest. A new half-life limit for $2K(2\\nu)$-captu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03060","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":""},"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":"2026-05-18T00:09:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mVXlwKoK8wtf6C0N6IVtrVxa0Nmw85rbAaUAJqqh9BwDsnRdI74Cg234zhSjAswDfRzheBC6ygNQRMS4PbYkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T13:55:37.808405Z"},"content_sha256":"0e5b60e83862536131d9601b0204c2986024f74fd27e1fdf89bde40bcc99fc9a","schema_version":"1.0","event_id":"sha256:0e5b60e83862536131d9601b0204c2986024f74fd27e1fdf89bde40bcc99fc9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7/bundle.json","state_url":"https://pith.science/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7/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":"2026-06-09T13:55:37Z","links":{"resolver":"https://pith.science/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7","bundle":"https://pith.science/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7/bundle.json","state":"https://pith.science/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MNPRXQZNWBMBVFBUPH5H5IUWV7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MNPRXQZNWBMBVFBUPH5H5IUWV7","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":"c5706196bc930325ef5b3befbc0394d04810532b5cce922c4f376bb96fb0bb45","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-06-08T10:06:22Z","title_canon_sha256":"3dbc55267652df6256d6fcc21c3b8bfab643ff31949cb0d47c91f1e4c90fd050"},"schema_version":"1.0","source":{"id":"1806.03060","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.03060","created_at":"2026-05-18T00:09:11Z"},{"alias_kind":"arxiv_version","alias_value":"1806.03060v1","created_at":"2026-05-18T00:09:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03060","created_at":"2026-05-18T00:09:11Z"},{"alias_kind":"pith_short_12","alias_value":"MNPRXQZNWBMB","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"MNPRXQZNWBMBVFBU","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"MNPRXQZN","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:0e5b60e83862536131d9601b0204c2986024f74fd27e1fdf89bde40bcc99fc9a","target":"graph","created_at":"2026-05-18T00:09:11Z","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":"The results of the experimental search for two-neutrino $2K$-capture in $^{124}$Xe with a large copper proportional counter obtained by processing the data for an exposure of 37.7 kg$\\times$day are presented. The experimental setup is located at the Underground Low-Background Laboratory of the Baksan Neutrino Observatory at a depth of 4900 m w.e. The combination of methods of selection of useful signals with a unique set of characteristics and the event topology taken into account allowed us to suppress the background in the energy region of interest. A new half-life limit for $2K(2\\nu)$-captu","authors_text":"A.M.Gangapshev, D.A.Tekueva, S.I.Panasenko, S.S.Ratkevich, V.V.Kazalov, V.V.Kuzminov, Yu.M.Gavriljuk","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-06-08T10:06:22Z","title":"2K(2\\nu)-Capture in Xe-124: Results of Data Processing for an Exposure of 37.7 kg x day"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03060","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":"sha256:8ded3f8e8011f4f0e914a95bb6bd0bd6bbf51e45d5d74312ab7a8ef98bdbef2a","target":"record","created_at":"2026-05-18T00:09:11Z","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":"c5706196bc930325ef5b3befbc0394d04810532b5cce922c4f376bb96fb0bb45","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-06-08T10:06:22Z","title_canon_sha256":"3dbc55267652df6256d6fcc21c3b8bfab643ff31949cb0d47c91f1e4c90fd050"},"schema_version":"1.0","source":{"id":"1806.03060","kind":"arxiv","version":1}},"canonical_sha256":"635f1bc32db0581a943479fa7ea296afdcd8e309a5e77c93b0748a22a25e481c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"635f1bc32db0581a943479fa7ea296afdcd8e309a5e77c93b0748a22a25e481c","first_computed_at":"2026-05-18T00:09:11.391007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:11.391007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uj2Z/6iXf1kTXonSkRN1H+SMDquA8EyTi+iQGqwaoA4fUDdg4ufxswaKi8Q1FYhhbr9VOQtXyiMfQWaLurLOAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:11.391636Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.03060","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ded3f8e8011f4f0e914a95bb6bd0bd6bbf51e45d5d74312ab7a8ef98bdbef2a","sha256:0e5b60e83862536131d9601b0204c2986024f74fd27e1fdf89bde40bcc99fc9a"],"state_sha256":"b0e61619799cba5fe23353386b6262445e2601459844c3eb4ae2315bac476cbf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OV8HZz1zKeh6tqSyB64HtWaLUbepkRUMmt7K/haS+NsnobSo9qrX9ERGDwtgP3VciT8kpcrLEDMq4aUwbP9NDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T13:55:37.810393Z","bundle_sha256":"5e43f554d7af8cc13f00a2696b8bab182d0eb6743e12b6aff57ee83cb2a5c72b"}}