{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JPJRIL5WEGRNMSG4C2G7JDSFF2","short_pith_number":"pith:JPJRIL5W","canonical_record":{"source":{"id":"1912.12387","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-12-28T02:58:25Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"de64eb5793f5c0ab848a55484e2bcfa0d51bc639e2ff7958369f31948d94f4d6","abstract_canon_sha256":"78e5d7225826765e7b3bc640fb623b7b8aef96627e748446cd1f15dcab0e1893"},"schema_version":"1.0"},"canonical_sha256":"4bd3142fb621a2d648dc168df48e452eb17fa3c1321eb3559fa7ce240a013617","source":{"kind":"arxiv","id":"1912.12387","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.12387","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"arxiv_version","alias_value":"1912.12387v1","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.12387","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"pith_short_12","alias_value":"JPJRIL5WEGRN","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"JPJRIL5WEGRNMSG4","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"JPJRIL5W","created_at":"2026-07-05T00:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JPJRIL5WEGRNMSG4C2G7JDSFF2","target":"record","payload":{"canonical_record":{"source":{"id":"1912.12387","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-12-28T02:58:25Z","cross_cats_sorted":["physics.ins-det"],"title_canon_sha256":"de64eb5793f5c0ab848a55484e2bcfa0d51bc639e2ff7958369f31948d94f4d6","abstract_canon_sha256":"78e5d7225826765e7b3bc640fb623b7b8aef96627e748446cd1f15dcab0e1893"},"schema_version":"1.0"},"canonical_sha256":"4bd3142fb621a2d648dc168df48e452eb17fa3c1321eb3559fa7ce240a013617","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:59.499542Z","signature_b64":"J78ZJjNgWIcBgs77GbPLEczmPoOteYcBT151vSQo+8Y95+zf0K5DI6YwGPI4gdnTD59QtlBq2fB24VqG7ymoAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bd3142fb621a2d648dc168df48e452eb17fa3c1321eb3559fa7ce240a013617","last_reissued_at":"2026-07-05T00:28:59.498967Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:59.498967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.12387","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":"2026-07-05T00:28:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"51izpaOp7Z858Beyg6bZw/lVqhqLUJT2oCV2V8b+OTETQ9Uh9I9m5QNfk04ljU9w7GGe3Anb4HUlcQQlSwSeDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:43:10.473261Z"},"content_sha256":"a1272ca70ebe1e69e671a995faaaeb5465e45dd5791ef6c60d6867cfaaebeb16","schema_version":"1.0","event_id":"sha256:a1272ca70ebe1e69e671a995faaaeb5465e45dd5791ef6c60d6867cfaaebeb16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JPJRIL5WEGRNMSG4C2G7JDSFF2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monte Carlo Characterization of the Cosmic Ray Muon Flux in Subsurface Geological Repositories","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ins-det"],"primary_cat":"physics.comp-ph","authors_text":"Abi T. Farsoni, Harish Gadey, Stylianos Chatzidakis","submitted_at":"2019-12-28T02:58:25Z","abstract_excerpt":"Recent challenges in monitoring subsurface geological repositories call for new, innovative concepts that are facility independent, cost-effective, passive, and reliable. Inspection and verification of future disposal facilities will exert significant pressure on the limited safeguards resources. Compared to aboveground facilities, subsurface geological repositories cannot be directly monitored. Once nuclear material is in place in these facilities, reverifying the inventory may no longer be feasible if continuity of knowledge is lost or updated safeguards information on the contents (or lack "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.12387","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/1912.12387/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":"2026-07-05T00:28:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CEflVaQQcWQQotIXTkOMyeHNGBsd1yPvo8TpSOqV1z3hoiGoQf4Dk+Mrp2PCTp6nRYZ9LInT5oUw3zvGnUBJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T17:43:10.473662Z"},"content_sha256":"2ad815747b5dd596bbafb9d78a99934ab7b36f70c2842af9bd826108a835dd81","schema_version":"1.0","event_id":"sha256:2ad815747b5dd596bbafb9d78a99934ab7b36f70c2842af9bd826108a835dd81"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2/bundle.json","state_url":"https://pith.science/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2/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":"2026-07-06T17:43:10Z","links":{"resolver":"https://pith.science/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2","bundle":"https://pith.science/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2/bundle.json","state":"https://pith.science/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPJRIL5WEGRNMSG4C2G7JDSFF2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JPJRIL5WEGRNMSG4C2G7JDSFF2","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":"78e5d7225826765e7b3bc640fb623b7b8aef96627e748446cd1f15dcab0e1893","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-12-28T02:58:25Z","title_canon_sha256":"de64eb5793f5c0ab848a55484e2bcfa0d51bc639e2ff7958369f31948d94f4d6"},"schema_version":"1.0","source":{"id":"1912.12387","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.12387","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"arxiv_version","alias_value":"1912.12387v1","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.12387","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"pith_short_12","alias_value":"JPJRIL5WEGRN","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"JPJRIL5WEGRNMSG4","created_at":"2026-07-05T00:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"JPJRIL5W","created_at":"2026-07-05T00:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:2ad815747b5dd596bbafb9d78a99934ab7b36f70c2842af9bd826108a835dd81","target":"graph","created_at":"2026-07-05T00:28:59Z","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/1912.12387/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent challenges in monitoring subsurface geological repositories call for new, innovative concepts that are facility independent, cost-effective, passive, and reliable. Inspection and verification of future disposal facilities will exert significant pressure on the limited safeguards resources. Compared to aboveground facilities, subsurface geological repositories cannot be directly monitored. Once nuclear material is in place in these facilities, reverifying the inventory may no longer be feasible if continuity of knowledge is lost or updated safeguards information on the contents (or lack ","authors_text":"Abi T. Farsoni, Harish Gadey, Stylianos Chatzidakis","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-12-28T02:58:25Z","title":"Monte Carlo Characterization of the Cosmic Ray Muon Flux in Subsurface Geological Repositories"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.12387","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:a1272ca70ebe1e69e671a995faaaeb5465e45dd5791ef6c60d6867cfaaebeb16","target":"record","created_at":"2026-07-05T00:28:59Z","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":"78e5d7225826765e7b3bc640fb623b7b8aef96627e748446cd1f15dcab0e1893","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-12-28T02:58:25Z","title_canon_sha256":"de64eb5793f5c0ab848a55484e2bcfa0d51bc639e2ff7958369f31948d94f4d6"},"schema_version":"1.0","source":{"id":"1912.12387","kind":"arxiv","version":1}},"canonical_sha256":"4bd3142fb621a2d648dc168df48e452eb17fa3c1321eb3559fa7ce240a013617","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bd3142fb621a2d648dc168df48e452eb17fa3c1321eb3559fa7ce240a013617","first_computed_at":"2026-07-05T00:28:59.498967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:59.498967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J78ZJjNgWIcBgs77GbPLEczmPoOteYcBT151vSQo+8Y95+zf0K5DI6YwGPI4gdnTD59QtlBq2fB24VqG7ymoAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:59.499542Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.12387","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1272ca70ebe1e69e671a995faaaeb5465e45dd5791ef6c60d6867cfaaebeb16","sha256:2ad815747b5dd596bbafb9d78a99934ab7b36f70c2842af9bd826108a835dd81"],"state_sha256":"6ed5e3cd2b3b6f6b58e4a3c42ec1c13adad3fd6cc026e9add8fae8adbb9a8ca8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m4oZHfVeR6idkl34TfJfcWq3pUJwmLoYwF7u/5LMKBI+/0CT2Ttw2k7bNrM42XEwiPXemKwD7nmJ3W6qQ2MXAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T17:43:10.475669Z","bundle_sha256":"54201c73ca1d5be8140bc827b3b9c89de50ea56f813db67e2a6e18a6f854b4fb"}}