{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:NVLHUTJ6AT5VR6HSCLOFZQ3LCN","short_pith_number":"pith:NVLHUTJ6","canonical_record":{"source":{"id":"nucl-ex/0505005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2005-05-04T10:15:24Z","cross_cats_sorted":[],"title_canon_sha256":"399735aa0f0ff9f89dcb63283488938a98fbfdef75040f5fe5830d6d1621f4ae","abstract_canon_sha256":"da24dd0bc00e08a68d8faad3c8f6f3edc10112349386d8a1b789fd039b0b46c0"},"schema_version":"1.0"},"canonical_sha256":"6d567a4d3e04fb58f8f212dc5cc36b13525f02e9cb93cb0fc3bd7a06b80eba76","source":{"kind":"arxiv","id":"nucl-ex/0505005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0505005","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0505005v1","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0505005","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"pith_short_12","alias_value":"NVLHUTJ6AT5V","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"pith_short_16","alias_value":"NVLHUTJ6AT5VR6HS","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"pith_short_8","alias_value":"NVLHUTJ6","created_at":"2026-07-04T16:56:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:NVLHUTJ6AT5VR6HSCLOFZQ3LCN","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/0505005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2005-05-04T10:15:24Z","cross_cats_sorted":[],"title_canon_sha256":"399735aa0f0ff9f89dcb63283488938a98fbfdef75040f5fe5830d6d1621f4ae","abstract_canon_sha256":"da24dd0bc00e08a68d8faad3c8f6f3edc10112349386d8a1b789fd039b0b46c0"},"schema_version":"1.0"},"canonical_sha256":"6d567a4d3e04fb58f8f212dc5cc36b13525f02e9cb93cb0fc3bd7a06b80eba76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:56:48.022824Z","signature_b64":"c1bFCDSpASyHiDSX6+uKzdT+RdjT7393IMFfCY1jpYkr5oKx9V2O2CxjXAl2ajRmr+AQxUF26dU2N3Aq2TKsCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d567a4d3e04fb58f8f212dc5cc36b13525f02e9cb93cb0fc3bd7a06b80eba76","last_reissued_at":"2026-07-04T16:56:48.022478Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:56:48.022478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/0505005","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":"2026-07-04T16:56:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BnM7OuPbBpDeeJS+JBh2LBO180vFwiOw9DI3ZYmjxTIBQApR5ZT8D16BJZ74m9mHcq6MMprBoioJMyTz10vQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:49:07.452056Z"},"content_sha256":"9d411bc7615939786aa2c3b89a6a11edfa603c90a3465019959e500449721465","schema_version":"1.0","event_id":"sha256:9d411bc7615939786aa2c3b89a6a11edfa603c90a3465019959e500449721465"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:NVLHUTJ6AT5VR6HSCLOFZQ3LCN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advanced simulation code for alpha spectrometry","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"R. Pollanen, T. Siiskonen","submitted_at":"2005-05-04T10:15:24Z","abstract_excerpt":"A Monte Carlo code, known as AASI, is developed for simulating energy spectra in alpha spectrometry. The code documented here is a comprehensive package where all the major processes affecting the spectrum are included. A unique feature of the code is its ability to take into account coincidences between the particles emitted from the source. Simulations and measurements highlight the importance of coincidences in high-resolution alpha spectrometry. To show the validity of the simulated results, comparisons with measurements and other simulation codes are presented."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0505005","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/nucl-ex/0505005/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":"2026-07-04T16:56:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxIH2eg/i8lRVVjavVnX9hDFxcAqsH6zRJvDxyc4ck7hR7MFLu/dKR8glnywduu9eyoJ1YgCP57UNjWReHF0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T20:49:07.452441Z"},"content_sha256":"54fbc516069749c67f7461ae88598a4d4540bd0f652b8a6904ec9b8173034447","schema_version":"1.0","event_id":"sha256:54fbc516069749c67f7461ae88598a4d4540bd0f652b8a6904ec9b8173034447"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN/bundle.json","state_url":"https://pith.science/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN/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":"2026-07-06T20:49:07Z","links":{"resolver":"https://pith.science/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN","bundle":"https://pith.science/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN/bundle.json","state":"https://pith.science/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVLHUTJ6AT5VR6HSCLOFZQ3LCN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:NVLHUTJ6AT5VR6HSCLOFZQ3LCN","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":"da24dd0bc00e08a68d8faad3c8f6f3edc10112349386d8a1b789fd039b0b46c0","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2005-05-04T10:15:24Z","title_canon_sha256":"399735aa0f0ff9f89dcb63283488938a98fbfdef75040f5fe5830d6d1621f4ae"},"schema_version":"1.0","source":{"id":"nucl-ex/0505005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0505005","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0505005v1","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0505005","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"pith_short_12","alias_value":"NVLHUTJ6AT5V","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"pith_short_16","alias_value":"NVLHUTJ6AT5VR6HS","created_at":"2026-07-04T16:56:48Z"},{"alias_kind":"pith_short_8","alias_value":"NVLHUTJ6","created_at":"2026-07-04T16:56:48Z"}],"graph_snapshots":[{"event_id":"sha256:54fbc516069749c67f7461ae88598a4d4540bd0f652b8a6904ec9b8173034447","target":"graph","created_at":"2026-07-04T16:56:48Z","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/nucl-ex/0505005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A Monte Carlo code, known as AASI, is developed for simulating energy spectra in alpha spectrometry. The code documented here is a comprehensive package where all the major processes affecting the spectrum are included. A unique feature of the code is its ability to take into account coincidences between the particles emitted from the source. Simulations and measurements highlight the importance of coincidences in high-resolution alpha spectrometry. To show the validity of the simulated results, comparisons with measurements and other simulation codes are presented.","authors_text":"R. Pollanen, T. Siiskonen","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2005-05-04T10:15:24Z","title":"Advanced simulation code for alpha spectrometry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0505005","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":"sha256:9d411bc7615939786aa2c3b89a6a11edfa603c90a3465019959e500449721465","target":"record","created_at":"2026-07-04T16:56:48Z","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":"da24dd0bc00e08a68d8faad3c8f6f3edc10112349386d8a1b789fd039b0b46c0","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2005-05-04T10:15:24Z","title_canon_sha256":"399735aa0f0ff9f89dcb63283488938a98fbfdef75040f5fe5830d6d1621f4ae"},"schema_version":"1.0","source":{"id":"nucl-ex/0505005","kind":"arxiv","version":1}},"canonical_sha256":"6d567a4d3e04fb58f8f212dc5cc36b13525f02e9cb93cb0fc3bd7a06b80eba76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d567a4d3e04fb58f8f212dc5cc36b13525f02e9cb93cb0fc3bd7a06b80eba76","first_computed_at":"2026-07-04T16:56:48.022478Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:56:48.022478Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c1bFCDSpASyHiDSX6+uKzdT+RdjT7393IMFfCY1jpYkr5oKx9V2O2CxjXAl2ajRmr+AQxUF26dU2N3Aq2TKsCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:56:48.022824Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0505005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d411bc7615939786aa2c3b89a6a11edfa603c90a3465019959e500449721465","sha256:54fbc516069749c67f7461ae88598a4d4540bd0f652b8a6904ec9b8173034447"],"state_sha256":"cf754de0ec97053ed0108de353473ca8c496db5d9c0c366a65b9ff9603790f75"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aypJJGV7AzZ8NUiqEbt5fpF+5VnzWkEnl4CZY/KRUBHCUcWs45m0HwWgs7h8JY1u+hvEDucm4G9aJYcHqXC8CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T20:49:07.454363Z","bundle_sha256":"d4302255ad510a3a86e9b2cf396f05282a823800bb461636f53795ec87210740"}}