{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EW6KSC5ZBMZMHBIBQSN3J2KEPP","short_pith_number":"pith:EW6KSC5Z","canonical_record":{"source":{"id":"1402.5508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-02-22T12:58:41Z","cross_cats_sorted":[],"title_canon_sha256":"25f31ea76a25d778bd449077b5f89b161763a35334f971b78a73a5cac0167dcb","abstract_canon_sha256":"ca943bf56b486dec8bc31cfcadd1e928a782ed53f599738521781f25f410006d"},"schema_version":"1.0"},"canonical_sha256":"25bca90bb90b32c38501849bb4e9447be0b4aca6d7a63490665a3abe4cc42987","source":{"kind":"arxiv","id":"1402.5508","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5508","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5508v2","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5508","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"EW6KSC5ZBMZM","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EW6KSC5ZBMZMHBIB","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EW6KSC5Z","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EW6KSC5ZBMZMHBIBQSN3J2KEPP","target":"record","payload":{"canonical_record":{"source":{"id":"1402.5508","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-02-22T12:58:41Z","cross_cats_sorted":[],"title_canon_sha256":"25f31ea76a25d778bd449077b5f89b161763a35334f971b78a73a5cac0167dcb","abstract_canon_sha256":"ca943bf56b486dec8bc31cfcadd1e928a782ed53f599738521781f25f410006d"},"schema_version":"1.0"},"canonical_sha256":"25bca90bb90b32c38501849bb4e9447be0b4aca6d7a63490665a3abe4cc42987","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:29:25.108180Z","signature_b64":"n0P+nqyVhk0WO6zTiKcXH+bvwjvONE6mGN/a7K8qTjkfT2MnqTfbuSMF1hgIhbXAhU5nkBTpVusKYZ6CVXduDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25bca90bb90b32c38501849bb4e9447be0b4aca6d7a63490665a3abe4cc42987","last_reissued_at":"2026-05-18T02:29:25.107769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:29:25.107769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.5508","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":"2026-05-18T02:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W3kwV3gf1yVkR806LcCzp3Ux6Z1wDOGj7NNt7ckZBSNQ3Q3Erh2oK8h5uT4q+1IhJyWgBIaa6b0bjhv5eTp7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:18:11.581444Z"},"content_sha256":"96c3f7ff649f87ea2cd385df788664a02ce496c0f657e0d8d19e74f22a862228","schema_version":"1.0","event_id":"sha256:96c3f7ff649f87ea2cd385df788664a02ce496c0f657e0d8d19e74f22a862228"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EW6KSC5ZBMZMHBIBQSN3J2KEPP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"BABYSCAN - a whole body counter for small children in Fukushima","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.med-ph","authors_text":"Babatunde Oginni, Frazier L. Bronson, Isamu Muramatsu, Ryugo S. Hayano, Shunji Yamanaka","submitted_at":"2014-02-22T12:58:41Z","abstract_excerpt":"BABYSCAN, a whole body counter for small children with a detection limit for $^{137}$Cs of better than 50 Bq/body, was developed, and the first unit has been installed at a hospital in Fukushima, to help families with small children who are very much concerned about internal exposures. The design principles, implementation details and the initial operating experience are described."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5508","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":"2026-05-18T02:29:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lMQiFuQUvrI2ucyUEN4cC5OVepkIeDk7wht5ePW0pMEao99hSdtIv93PScfSDDhIsiku7nNNZcz0Wk4HZ0lyCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:18:11.582186Z"},"content_sha256":"84078f5caf066fed887261627eda8951ff1a4a1d3108588c215f9312b1da3f6b","schema_version":"1.0","event_id":"sha256:84078f5caf066fed887261627eda8951ff1a4a1d3108588c215f9312b1da3f6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP/bundle.json","state_url":"https://pith.science/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP/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":"2026-05-31T03:18:11Z","links":{"resolver":"https://pith.science/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP","bundle":"https://pith.science/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP/bundle.json","state":"https://pith.science/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EW6KSC5ZBMZMHBIBQSN3J2KEPP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EW6KSC5ZBMZMHBIBQSN3J2KEPP","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":"ca943bf56b486dec8bc31cfcadd1e928a782ed53f599738521781f25f410006d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-02-22T12:58:41Z","title_canon_sha256":"25f31ea76a25d778bd449077b5f89b161763a35334f971b78a73a5cac0167dcb"},"schema_version":"1.0","source":{"id":"1402.5508","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5508","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5508v2","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5508","created_at":"2026-05-18T02:29:25Z"},{"alias_kind":"pith_short_12","alias_value":"EW6KSC5ZBMZM","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EW6KSC5ZBMZMHBIB","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EW6KSC5Z","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:84078f5caf066fed887261627eda8951ff1a4a1d3108588c215f9312b1da3f6b","target":"graph","created_at":"2026-05-18T02:29:25Z","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":"BABYSCAN, a whole body counter for small children with a detection limit for $^{137}$Cs of better than 50 Bq/body, was developed, and the first unit has been installed at a hospital in Fukushima, to help families with small children who are very much concerned about internal exposures. The design principles, implementation details and the initial operating experience are described.","authors_text":"Babatunde Oginni, Frazier L. Bronson, Isamu Muramatsu, Ryugo S. Hayano, Shunji Yamanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-02-22T12:58:41Z","title":"BABYSCAN - a whole body counter for small children in Fukushima"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5508","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":"sha256:96c3f7ff649f87ea2cd385df788664a02ce496c0f657e0d8d19e74f22a862228","target":"record","created_at":"2026-05-18T02:29:25Z","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":"ca943bf56b486dec8bc31cfcadd1e928a782ed53f599738521781f25f410006d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.med-ph","submitted_at":"2014-02-22T12:58:41Z","title_canon_sha256":"25f31ea76a25d778bd449077b5f89b161763a35334f971b78a73a5cac0167dcb"},"schema_version":"1.0","source":{"id":"1402.5508","kind":"arxiv","version":2}},"canonical_sha256":"25bca90bb90b32c38501849bb4e9447be0b4aca6d7a63490665a3abe4cc42987","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25bca90bb90b32c38501849bb4e9447be0b4aca6d7a63490665a3abe4cc42987","first_computed_at":"2026-05-18T02:29:25.107769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:29:25.107769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n0P+nqyVhk0WO6zTiKcXH+bvwjvONE6mGN/a7K8qTjkfT2MnqTfbuSMF1hgIhbXAhU5nkBTpVusKYZ6CVXduDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:29:25.108180Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.5508","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96c3f7ff649f87ea2cd385df788664a02ce496c0f657e0d8d19e74f22a862228","sha256:84078f5caf066fed887261627eda8951ff1a4a1d3108588c215f9312b1da3f6b"],"state_sha256":"3b198cd4770d19ca700b037799b07b260380187a1a06d4ef73b06668861248a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DLQ6wdpe36DyoL+7C8VvHCbUwOTfXt8+6GD0Didj/715BD5GBgLzLGMnVYSQ0DPElufNY01ZaVER8LwpqWcCAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:18:11.586198Z","bundle_sha256":"ff6169671db00ea38dd972d87d59fc7a709a2fc9c3f140e41884bda7501f772e"}}