{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:QAK4EUAB7CJ5W7QWLNTVMILJ43","short_pith_number":"pith:QAK4EUAB","canonical_record":{"source":{"id":"nucl-ex/0607022","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2006-07-18T09:28:51Z","cross_cats_sorted":[],"title_canon_sha256":"8a3674e256b9ae1f9abb76bbd7fe313ebe538e40ff58f627c1c359293e5a1b03","abstract_canon_sha256":"3861a7d4a3e68724deb28552b35d339eea857043a43d3ff9c44d66d4a78d237f"},"schema_version":"1.0"},"canonical_sha256":"8015c25001f893db7e165b67562169e6d847deb1bd5eb96286cc03cc5724723b","source":{"kind":"arxiv","id":"nucl-ex/0607022","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0607022","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0607022v2","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0607022","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"QAK4EUAB7CJ5","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"pith_short_16","alias_value":"QAK4EUAB7CJ5W7QW","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"pith_short_8","alias_value":"QAK4EUAB","created_at":"2026-07-04T15:19:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:QAK4EUAB7CJ5W7QWLNTVMILJ43","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/0607022","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2006-07-18T09:28:51Z","cross_cats_sorted":[],"title_canon_sha256":"8a3674e256b9ae1f9abb76bbd7fe313ebe538e40ff58f627c1c359293e5a1b03","abstract_canon_sha256":"3861a7d4a3e68724deb28552b35d339eea857043a43d3ff9c44d66d4a78d237f"},"schema_version":"1.0"},"canonical_sha256":"8015c25001f893db7e165b67562169e6d847deb1bd5eb96286cc03cc5724723b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:19:30.959308Z","signature_b64":"IcqPgtjGOLqvaYKYObkaZp0V6QyVfElj2Ey4DdUWwIGxZep9iW+53darZpvZRTKwAQDL317Mf+r42EEuk0o+Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8015c25001f893db7e165b67562169e6d847deb1bd5eb96286cc03cc5724723b","last_reissued_at":"2026-07-04T15:19:30.958868Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:19:30.958868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/0607022","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":"2026-07-04T15:19:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mcqHkYKydTI/r8DgJklvUEw4LF+p37Pn3YvTyZpz1wtUOciqnodrQTRNvqpXjQbBKko2m1zX6B9bAqjyyYPvCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:08:44.511107Z"},"content_sha256":"e967d48a46c036457fc51522e25c7abd2fd33a70a325f6800dfeee50d5e1a004","schema_version":"1.0","event_id":"sha256:e967d48a46c036457fc51522e25c7abd2fd33a70a325f6800dfeee50d5e1a004"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:QAK4EUAB7CJ5W7QWLNTVMILJ43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photo-production of neutral kaons on 12C in the threshold region","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Matsumura, A. Sasaki, F. Miyahara, H. Kanda, H. Miyase, H. Nomura, H. Shimizu, H. Tamura, H. Tsubota, H. Yamauchi, H. Yamazaki, K. Dobashi, K. Itoh, K. Maeda, K. Mizunuma, K. Tsukada, M. Katoh, M. Oyamada, M. Sotona, M. Ukai, M. Wakamatsu, O. Hashimoto, O. Konno, P. Byd\\v{z}ovsk\\'y, S. Endo, S. N. Nakamura, T. Ishikawa, T. Kinoshita, T. Miyoshi, T. Osaka, T. Satoh, T. Takahashi, T. Tamae, T. Terasawa, T. Watanabe, Y. Fujii, Y. Miura, Y. Okayasu","submitted_at":"2006-07-18T09:28:51Z","abstract_excerpt":"Kaon photo-production process on $^{12}$C has been studied by measuring neutral kaons in a photon energy range of 0.8$-$1.1 GeV. Neutral kaons were identified by the invariant mass constructed from two charged pions emitted in the $K^{0}_{S}\\to\\pi^{+}\\pi^{-}$ decay channel. The differential cross sections as well as the integrated ones in the threshold photon energy region were obtained. The obtained momentum spectra were compared with a Spectator model calculation using elementary amplitudes of kaon photo-production given by recent isobar models. Present result provides, for the first time, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0607022","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/nucl-ex/0607022/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":"2026-07-04T15:19:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oRvSpIT6CwnKaAnWTGXvrlrt7UKaeltmDFhg95tHdNH4Lmu2/HUpOJsjzLQ7uN0i+J44ZH3XrWkgvLmFZRcCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:08:44.511757Z"},"content_sha256":"e126788b63b7aa1b792350ff7e698444771f88a99a18685392dcbd64bc1a7d72","schema_version":"1.0","event_id":"sha256:e126788b63b7aa1b792350ff7e698444771f88a99a18685392dcbd64bc1a7d72"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43/bundle.json","state_url":"https://pith.science/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43/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":"2026-08-06T01:08:44Z","links":{"resolver":"https://pith.science/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43","bundle":"https://pith.science/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43/bundle.json","state":"https://pith.science/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QAK4EUAB7CJ5W7QWLNTVMILJ43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:QAK4EUAB7CJ5W7QWLNTVMILJ43","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":"3861a7d4a3e68724deb28552b35d339eea857043a43d3ff9c44d66d4a78d237f","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2006-07-18T09:28:51Z","title_canon_sha256":"8a3674e256b9ae1f9abb76bbd7fe313ebe538e40ff58f627c1c359293e5a1b03"},"schema_version":"1.0","source":{"id":"nucl-ex/0607022","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0607022","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0607022v2","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0607022","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"pith_short_12","alias_value":"QAK4EUAB7CJ5","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"pith_short_16","alias_value":"QAK4EUAB7CJ5W7QW","created_at":"2026-07-04T15:19:30Z"},{"alias_kind":"pith_short_8","alias_value":"QAK4EUAB","created_at":"2026-07-04T15:19:30Z"}],"graph_snapshots":[{"event_id":"sha256:e126788b63b7aa1b792350ff7e698444771f88a99a18685392dcbd64bc1a7d72","target":"graph","created_at":"2026-07-04T15:19:30Z","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/0607022/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Kaon photo-production process on $^{12}$C has been studied by measuring neutral kaons in a photon energy range of 0.8$-$1.1 GeV. Neutral kaons were identified by the invariant mass constructed from two charged pions emitted in the $K^{0}_{S}\\to\\pi^{+}\\pi^{-}$ decay channel. The differential cross sections as well as the integrated ones in the threshold photon energy region were obtained. The obtained momentum spectra were compared with a Spectator model calculation using elementary amplitudes of kaon photo-production given by recent isobar models. Present result provides, for the first time, t","authors_text":"A. Matsumura, A. Sasaki, F. Miyahara, H. Kanda, H. Miyase, H. Nomura, H. Shimizu, H. Tamura, H. Tsubota, H. Yamauchi, H. Yamazaki, K. Dobashi, K. Itoh, K. Maeda, K. Mizunuma, K. Tsukada, M. Katoh, M. Oyamada, M. Sotona, M. Ukai, M. Wakamatsu, O. Hashimoto, O. Konno, P. Byd\\v{z}ovsk\\'y, S. Endo, S. N. Nakamura, T. Ishikawa, T. Kinoshita, T. Miyoshi, T. Osaka, T. Satoh, T. Takahashi, T. Tamae, T. Terasawa, T. Watanabe, Y. Fujii, Y. Miura, Y. Okayasu","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2006-07-18T09:28:51Z","title":"Photo-production of neutral kaons on 12C in the threshold region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0607022","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:e967d48a46c036457fc51522e25c7abd2fd33a70a325f6800dfeee50d5e1a004","target":"record","created_at":"2026-07-04T15:19:30Z","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":"3861a7d4a3e68724deb28552b35d339eea857043a43d3ff9c44d66d4a78d237f","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2006-07-18T09:28:51Z","title_canon_sha256":"8a3674e256b9ae1f9abb76bbd7fe313ebe538e40ff58f627c1c359293e5a1b03"},"schema_version":"1.0","source":{"id":"nucl-ex/0607022","kind":"arxiv","version":2}},"canonical_sha256":"8015c25001f893db7e165b67562169e6d847deb1bd5eb96286cc03cc5724723b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8015c25001f893db7e165b67562169e6d847deb1bd5eb96286cc03cc5724723b","first_computed_at":"2026-07-04T15:19:30.958868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:19:30.958868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IcqPgtjGOLqvaYKYObkaZp0V6QyVfElj2Ey4DdUWwIGxZep9iW+53darZpvZRTKwAQDL317Mf+r42EEuk0o+Ag==","signature_status":"signed_v1","signed_at":"2026-07-04T15:19:30.959308Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0607022","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e967d48a46c036457fc51522e25c7abd2fd33a70a325f6800dfeee50d5e1a004","sha256:e126788b63b7aa1b792350ff7e698444771f88a99a18685392dcbd64bc1a7d72"],"state_sha256":"f2fa6445320567269138b8d4b7474560280236b86ba65f3ca6d7cea8825082a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"94JMbYunIEZZYaNrz1HeJ2dVIoyAJW/sfr3NWlW5Gwx/0ZFx2MIa2+4S7MNwBEEe0wmZbMrKAJ87HpmbcQ7iCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:08:44.516845Z","bundle_sha256":"db854a983b504ed3fe33b415ba7b6eacbecf51f063e55a630d648e0ce7e7e2ca"}}