{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:OJPYISGIA4KGE5BTU2U745WNQY","short_pith_number":"pith:OJPYISGI","canonical_record":{"source":{"id":"1111.1560","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2011-11-07T12:33:44Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"b14c2a353eb96755cea89896621e24e59df6ebeee09f540a01dd52998b75460f","abstract_canon_sha256":"7ff1f51a973d6d7daf4de4abcdf996ec8c1f85df925dc109cd520d9e3b83e1ad"},"schema_version":"1.0"},"canonical_sha256":"725f8448c80714627433a6a9fe76cd8614272ed631b31c6ccfe4e602cabc463d","source":{"kind":"arxiv","id":"1111.1560","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.1560","created_at":"2026-05-18T04:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"1111.1560v1","created_at":"2026-05-18T04:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.1560","created_at":"2026-05-18T04:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"OJPYISGIA4KG","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OJPYISGIA4KGE5BT","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OJPYISGI","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:OJPYISGIA4KGE5BTU2U745WNQY","target":"record","payload":{"canonical_record":{"source":{"id":"1111.1560","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2011-11-07T12:33:44Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"b14c2a353eb96755cea89896621e24e59df6ebeee09f540a01dd52998b75460f","abstract_canon_sha256":"7ff1f51a973d6d7daf4de4abcdf996ec8c1f85df925dc109cd520d9e3b83e1ad"},"schema_version":"1.0"},"canonical_sha256":"725f8448c80714627433a6a9fe76cd8614272ed631b31c6ccfe4e602cabc463d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:03:45.040703Z","signature_b64":"a70OxjGSii2NHJWsJNLhCaZU/+mZ6UF0gojzwh6zXqedfQVh2cnPK6obqC44v2GVgVAx64bzbYKp13oksVMvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"725f8448c80714627433a6a9fe76cd8614272ed631b31c6ccfe4e602cabc463d","last_reissued_at":"2026-05-18T04:03:45.040161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:03:45.040161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.1560","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":"2026-05-18T04:03:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HjCCMD+Q8EjpKCqERKiE8dbuI+ZCmYigBZBFxIjB3D8S2b7MEX3SAlD5NeUagSU9I0u675HTGNxg9NTXPpThDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:01:16.568102Z"},"content_sha256":"f613c0a10b6dd9d685d37ce408b5e56a593e27a059d294de1897e45814f9197e","schema_version":"1.0","event_id":"sha256:f613c0a10b6dd9d685d37ce408b5e56a593e27a059d294de1897e45814f9197e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:OJPYISGIA4KGE5BTU2U745WNQY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A new FSA approach for in situ $\\gamma$-ray spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"physics.data-an","authors_text":"A. Caciolli, A. Zanon, C. Broggini, C. Rossi Alvarez, E. Guastaldi, F. Mantovani, G. Fiorentini, G. Massa, G. P. Bezzon, G. P. Buso, G. Xhixha, I. Callegari, L. Mou, M. Baldoncini, M. Shyti, R. Menegazzo, T. Colonna","submitted_at":"2011-11-07T12:33:44Z","abstract_excerpt":"An increasing demand of environmental radioactivity monitoring comes both from the scientific community and from the society. This requires accurate, reliable and fast response preferably from portable radiation detectors. Thanks to recent improvements in the technology, $\\gamma$-spectroscopy with sodium iodide scintillators has been proved to be an excellent tool for in-situ measurements for the identification and quantitative determination of $\\gamma$-ray emitting radioisotopes, reducing time and costs. Both for geological and civil purposes not only $^{40}$K, $^{238}$U, and $^{232}$Th have "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.1560","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":"2026-05-18T04:03:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fCC8iJIH6dcCvjTYG6C3rCRl81t3VOi4a7tYRG5hYKrG7apSWRGZvemz+RhwCwLJL3UP1tB4oqgH37qsI29UCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:01:16.568505Z"},"content_sha256":"b2963f6da57dcd8d99b1fe2c469df4cb1f16ce6b5398561643126f2ebaac89a0","schema_version":"1.0","event_id":"sha256:b2963f6da57dcd8d99b1fe2c469df4cb1f16ce6b5398561643126f2ebaac89a0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OJPYISGIA4KGE5BTU2U745WNQY/bundle.json","state_url":"https://pith.science/pith/OJPYISGIA4KGE5BTU2U745WNQY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OJPYISGIA4KGE5BTU2U745WNQY/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":"2026-05-27T23:01:16Z","links":{"resolver":"https://pith.science/pith/OJPYISGIA4KGE5BTU2U745WNQY","bundle":"https://pith.science/pith/OJPYISGIA4KGE5BTU2U745WNQY/bundle.json","state":"https://pith.science/pith/OJPYISGIA4KGE5BTU2U745WNQY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OJPYISGIA4KGE5BTU2U745WNQY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:OJPYISGIA4KGE5BTU2U745WNQY","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":"7ff1f51a973d6d7daf4de4abcdf996ec8c1f85df925dc109cd520d9e3b83e1ad","cross_cats_sorted":["physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2011-11-07T12:33:44Z","title_canon_sha256":"b14c2a353eb96755cea89896621e24e59df6ebeee09f540a01dd52998b75460f"},"schema_version":"1.0","source":{"id":"1111.1560","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.1560","created_at":"2026-05-18T04:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"1111.1560v1","created_at":"2026-05-18T04:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.1560","created_at":"2026-05-18T04:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"OJPYISGIA4KG","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"OJPYISGIA4KGE5BT","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"OJPYISGI","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:b2963f6da57dcd8d99b1fe2c469df4cb1f16ce6b5398561643126f2ebaac89a0","target":"graph","created_at":"2026-05-18T04:03:45Z","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":"An increasing demand of environmental radioactivity monitoring comes both from the scientific community and from the society. This requires accurate, reliable and fast response preferably from portable radiation detectors. Thanks to recent improvements in the technology, $\\gamma$-spectroscopy with sodium iodide scintillators has been proved to be an excellent tool for in-situ measurements for the identification and quantitative determination of $\\gamma$-ray emitting radioisotopes, reducing time and costs. Both for geological and civil purposes not only $^{40}$K, $^{238}$U, and $^{232}$Th have ","authors_text":"A. Caciolli, A. Zanon, C. Broggini, C. Rossi Alvarez, E. Guastaldi, F. Mantovani, G. Fiorentini, G. Massa, G. P. Bezzon, G. P. Buso, G. Xhixha, I. Callegari, L. Mou, M. Baldoncini, M. Shyti, R. Menegazzo, T. Colonna","cross_cats":["physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2011-11-07T12:33:44Z","title":"A new FSA approach for in situ $\\gamma$-ray spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.1560","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:f613c0a10b6dd9d685d37ce408b5e56a593e27a059d294de1897e45814f9197e","target":"record","created_at":"2026-05-18T04:03:45Z","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":"7ff1f51a973d6d7daf4de4abcdf996ec8c1f85df925dc109cd520d9e3b83e1ad","cross_cats_sorted":["physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2011-11-07T12:33:44Z","title_canon_sha256":"b14c2a353eb96755cea89896621e24e59df6ebeee09f540a01dd52998b75460f"},"schema_version":"1.0","source":{"id":"1111.1560","kind":"arxiv","version":1}},"canonical_sha256":"725f8448c80714627433a6a9fe76cd8614272ed631b31c6ccfe4e602cabc463d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"725f8448c80714627433a6a9fe76cd8614272ed631b31c6ccfe4e602cabc463d","first_computed_at":"2026-05-18T04:03:45.040161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:03:45.040161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a70OxjGSii2NHJWsJNLhCaZU/+mZ6UF0gojzwh6zXqedfQVh2cnPK6obqC44v2GVgVAx64bzbYKp13oksVMvAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:03:45.040703Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.1560","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f613c0a10b6dd9d685d37ce408b5e56a593e27a059d294de1897e45814f9197e","sha256:b2963f6da57dcd8d99b1fe2c469df4cb1f16ce6b5398561643126f2ebaac89a0"],"state_sha256":"0a1caf271045ed138bd4cbd4a55b884cc8cc7c09c742ab515d20d605f85a6b06"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eomg9Pn6JMHbeULhz5mfhazsXHoEa3TakHqJhPaPc6Gyo3+U5fUWPmHTG0+mgogMsDo6SgnCBbxhBbkBFaTfDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:01:16.571298Z","bundle_sha256":"a077f5fb8829260972ba5b0ff31b97d7d8f9ebd6c8f00b26474ca035d235f338"}}