{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QMJXNVMFTFLV7Y223SFMBMUHAF","short_pith_number":"pith:QMJXNVMF","canonical_record":{"source":{"id":"2304.12153","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2023-04-24T15:03:51Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"fafb88415aa05012484c6fec0b6d8011502ee1c3a402d7ab112c5b46f2ae1b96","abstract_canon_sha256":"3dfe25096ba2fd37b021376e71fcdcd03302bcbac4f63bbee46651393a38d268"},"schema_version":"1.0"},"canonical_sha256":"831376d58599575fe35adc8ac0b28701494a3a4babb4a8c2135551b7f85903ce","source":{"kind":"arxiv","id":"2304.12153","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.12153","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"2304.12153v2","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.12153","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"QMJXNVMFTFLV","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"QMJXNVMFTFLV7Y22","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"QMJXNVMF","created_at":"2026-07-05T06:55:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QMJXNVMFTFLV7Y223SFMBMUHAF","target":"record","payload":{"canonical_record":{"source":{"id":"2304.12153","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2023-04-24T15:03:51Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"fafb88415aa05012484c6fec0b6d8011502ee1c3a402d7ab112c5b46f2ae1b96","abstract_canon_sha256":"3dfe25096ba2fd37b021376e71fcdcd03302bcbac4f63bbee46651393a38d268"},"schema_version":"1.0"},"canonical_sha256":"831376d58599575fe35adc8ac0b28701494a3a4babb4a8c2135551b7f85903ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:55:03.074484Z","signature_b64":"NIK+vi03BdzuZsznAioslTlyqVH4mVDVhkILhodHgSj0O7KFNprXpVbPo1QAvE9ajmSEf2NA8QdC4Jnm6iHOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"831376d58599575fe35adc8ac0b28701494a3a4babb4a8c2135551b7f85903ce","last_reissued_at":"2026-07-05T06:55:03.073996Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:55:03.073996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.12153","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":"2026-07-05T06:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kqz6QKYr8A4RCOVzuuijlqSO8orESpDNyE5r9NbwMSWoW7hWe4q2GdgLNLmME09ojkvDZI5npbdVBb5r9128AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:12:14.611881Z"},"content_sha256":"68ab5b11bfbc63b816e69c66c905200fd6a843815b75bcd181bf8dbea7dbe7d4","schema_version":"1.0","event_id":"sha256:68ab5b11bfbc63b816e69c66c905200fd6a843815b75bcd181bf8dbea7dbe7d4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QMJXNVMFTFLV7Y223SFMBMUHAF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analyzing the neutron and $\\gamma$-ray emission properties of an americium-beryllium tagged neutron source","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"Akihiro Minamino, Hiroshi Ito, Kohei Wada, Masaki Ishitsuka, Masayuki Harada, Takatomi Yano, Yota Hino, Yuga Ommura","submitted_at":"2023-04-24T15:03:51Z","abstract_excerpt":"Americium-beryllium (AmBe), a well-known tagged neutron source, is commonly used for evaluating the neutron detection efficiency of detectors used in ultralow background particle physics experiments, such as reactor neutrino and diffuse supernova neutrino background experiments. In particular, AmBe sources are used to calibrate neutron tagging by selecting the 4438-keV $\\gamma$-ray signal, which is simultaneously emitted with a neutron signal. Therefore, analyzing the neutron and $\\gamma$-ray emission properties of AmBe sources is crucial. In this study, we used the theoretical shape of a neut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.12153","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2304.12153/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":"2026-07-05T06:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OKr8qDy+83tWVYFHvL+Hov0y7gmYEgUD2quTWl/Hi2VEqI99JA2hNNlF9/Q+IYH0GUd1NwwF6URxI9tllRaFBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T17:12:14.612685Z"},"content_sha256":"16e55f62a96f0df46acc877e65db617c56973fe516e49fdc1c4402a37c2fd535","schema_version":"1.0","event_id":"sha256:16e55f62a96f0df46acc877e65db617c56973fe516e49fdc1c4402a37c2fd535"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QMJXNVMFTFLV7Y223SFMBMUHAF/bundle.json","state_url":"https://pith.science/pith/QMJXNVMFTFLV7Y223SFMBMUHAF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QMJXNVMFTFLV7Y223SFMBMUHAF/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":"2026-08-15T17:12:14Z","links":{"resolver":"https://pith.science/pith/QMJXNVMFTFLV7Y223SFMBMUHAF","bundle":"https://pith.science/pith/QMJXNVMFTFLV7Y223SFMBMUHAF/bundle.json","state":"https://pith.science/pith/QMJXNVMFTFLV7Y223SFMBMUHAF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QMJXNVMFTFLV7Y223SFMBMUHAF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QMJXNVMFTFLV7Y223SFMBMUHAF","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":"3dfe25096ba2fd37b021376e71fcdcd03302bcbac4f63bbee46651393a38d268","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2023-04-24T15:03:51Z","title_canon_sha256":"fafb88415aa05012484c6fec0b6d8011502ee1c3a402d7ab112c5b46f2ae1b96"},"schema_version":"1.0","source":{"id":"2304.12153","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.12153","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"2304.12153v2","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.12153","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"QMJXNVMFTFLV","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"QMJXNVMFTFLV7Y22","created_at":"2026-07-05T06:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"QMJXNVMF","created_at":"2026-07-05T06:55:03Z"}],"graph_snapshots":[{"event_id":"sha256:16e55f62a96f0df46acc877e65db617c56973fe516e49fdc1c4402a37c2fd535","target":"graph","created_at":"2026-07-05T06:55:03Z","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/2304.12153/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Americium-beryllium (AmBe), a well-known tagged neutron source, is commonly used for evaluating the neutron detection efficiency of detectors used in ultralow background particle physics experiments, such as reactor neutrino and diffuse supernova neutrino background experiments. In particular, AmBe sources are used to calibrate neutron tagging by selecting the 4438-keV $\\gamma$-ray signal, which is simultaneously emitted with a neutron signal. Therefore, analyzing the neutron and $\\gamma$-ray emission properties of AmBe sources is crucial. In this study, we used the theoretical shape of a neut","authors_text":"Akihiro Minamino, Hiroshi Ito, Kohei Wada, Masaki Ishitsuka, Masayuki Harada, Takatomi Yano, Yota Hino, Yuga Ommura","cross_cats":["astro-ph.IM"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2023-04-24T15:03:51Z","title":"Analyzing the neutron and $\\gamma$-ray emission properties of an americium-beryllium tagged neutron source"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.12153","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":"sha256:68ab5b11bfbc63b816e69c66c905200fd6a843815b75bcd181bf8dbea7dbe7d4","target":"record","created_at":"2026-07-05T06:55:03Z","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":"3dfe25096ba2fd37b021376e71fcdcd03302bcbac4f63bbee46651393a38d268","cross_cats_sorted":["astro-ph.IM"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.ins-det","submitted_at":"2023-04-24T15:03:51Z","title_canon_sha256":"fafb88415aa05012484c6fec0b6d8011502ee1c3a402d7ab112c5b46f2ae1b96"},"schema_version":"1.0","source":{"id":"2304.12153","kind":"arxiv","version":2}},"canonical_sha256":"831376d58599575fe35adc8ac0b28701494a3a4babb4a8c2135551b7f85903ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"831376d58599575fe35adc8ac0b28701494a3a4babb4a8c2135551b7f85903ce","first_computed_at":"2026-07-05T06:55:03.073996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:55:03.073996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NIK+vi03BdzuZsznAioslTlyqVH4mVDVhkILhodHgSj0O7KFNprXpVbPo1QAvE9ajmSEf2NA8QdC4Jnm6iHOAA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:55:03.074484Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.12153","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68ab5b11bfbc63b816e69c66c905200fd6a843815b75bcd181bf8dbea7dbe7d4","sha256:16e55f62a96f0df46acc877e65db617c56973fe516e49fdc1c4402a37c2fd535"],"state_sha256":"9fdcb479dc8195334d1a0946860aa85ec52868539e384893b9f904f8cf986cce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ThujGHnvdcSy7WlozMXWZ0eK1QBpJehr/qX1c0DuLOY6g6XudfpQecvz3iUlOTWifYtGny+h7SF99l3EsUhSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T17:12:14.619055Z","bundle_sha256":"38070e45abe0e899b81eca2f00bf2538cbec6d3fed94a52b21b74c1a51df63f6"}}