{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:T3SMQCZ7BJDKTZDV26MB2UWOSV","short_pith_number":"pith:T3SMQCZ7","canonical_record":{"source":{"id":"2503.02528","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-04T11:47:40Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2be9474294d5c4ff1f23a93d438ea62b5636ecec7803a88412dfdf74cf7229b1","abstract_canon_sha256":"f2cd3ec3dd9d69553185dff01c6aaab994519bad062d81204dfc92cf5221e81d"},"schema_version":"1.0"},"canonical_sha256":"9ee4c80b3f0a46a9e475d7981d52ce957a447b821677d8c87d3334d9577380c3","source":{"kind":"arxiv","id":"2503.02528","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.02528","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"arxiv_version","alias_value":"2503.02528v1","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.02528","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"pith_short_12","alias_value":"T3SMQCZ7BJDK","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"pith_short_16","alias_value":"T3SMQCZ7BJDKTZDV","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"pith_short_8","alias_value":"T3SMQCZ7","created_at":"2026-07-05T10:24:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:T3SMQCZ7BJDKTZDV26MB2UWOSV","target":"record","payload":{"canonical_record":{"source":{"id":"2503.02528","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-04T11:47:40Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2be9474294d5c4ff1f23a93d438ea62b5636ecec7803a88412dfdf74cf7229b1","abstract_canon_sha256":"f2cd3ec3dd9d69553185dff01c6aaab994519bad062d81204dfc92cf5221e81d"},"schema_version":"1.0"},"canonical_sha256":"9ee4c80b3f0a46a9e475d7981d52ce957a447b821677d8c87d3334d9577380c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:24:07.571598Z","signature_b64":"znG4DCDJi3C3OOR5MWuV46Up687+tdgxTcTp4aNNcqSDDQjmei3dbXlGm9deBcl/eNNtEpQgS/3dDBnuSxHtCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ee4c80b3f0a46a9e475d7981d52ce957a447b821677d8c87d3334d9577380c3","last_reissued_at":"2026-07-05T10:24:07.570610Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:24:07.570610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.02528","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":"2026-07-05T10:24:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ki/BnYYO9PA/QsMo01o/Q3nRjXPXrlajGzs01Yf0wheCEsDg3V2Ih5IanU/FxzSmlyBnrpJjkaiTga1nCpquDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T08:46:36.057308Z"},"content_sha256":"87f864cc4de840aa4cb00296ab94eb6e5639eba85cde457a653b2840d1c20c59","schema_version":"1.0","event_id":"sha256:87f864cc4de840aa4cb00296ab94eb6e5639eba85cde457a653b2840d1c20c59"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:T3SMQCZ7BJDKTZDV26MB2UWOSV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Prospects for Pentaquark Baryon Search with the Upgraded LEPS2 Facility","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"hep-ex","authors_text":"A. Higashi, A.O. Tokiyasu, B. Yan, C. Rangacharyulu, C. Yoshida, G. Kojima, H. Katsuragawa, H. Kohri, H. Ohkuma, H. Ohnishi, H. Shimizu, J.K. Ahn, K. Mizutani, K. Nishi, K. Watanabe, M. Miyabe, M. Niiyama, M. Sumihama, M. Yosoi, N. Muramatsu, R. Kobayakawa, S. Ajimura, S. Dat'e, S. Suzuki, S. Tanaka, S.Y. Ryu, T. Hashimoto, T.H. Nam, T. Hotta, T. Ishikawa, T. Nakano, T. Yorita, Y. Asano, Y. Ma, Y. Ohashi, Y. Sada","submitted_at":"2025-03-04T11:47:40Z","abstract_excerpt":"We present prospects for the $\\Theta^+$ pentaquark baryon search using the newly constructed LEPS2 facility at SPring-8. The LEPS2 detector system features significant improvements in acceptance for multi-particle final states compared to previous experiments. Our search employs two complementary strategies: direct production in the $\\gamma n \\to K^-\\Theta^+$ reaction using a liquid deuterium target with a photon beam up to 2.4 GeV, and $\\bar{K}^{*0}$-associated $\\Theta^+$ production using a liquid hydrogen target with a photon beam up to 2.9 GeV. The extended acceptance covers both forward an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.02528","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/2503.02528/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":"2026-07-05T10:24:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cZFffxca6BSbVhV3UQ8FH/ivYB63qWWw3WB1A46L5/b9ixG5TK4YhsmwRb6uCOi7jmhUumU2dZv3aQtLPiH7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T08:46:36.057860Z"},"content_sha256":"877805e3820ebc145951fbe04af7d77e2eee385dfc7dc8a8a19bfadde394e565","schema_version":"1.0","event_id":"sha256:877805e3820ebc145951fbe04af7d77e2eee385dfc7dc8a8a19bfadde394e565"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV/bundle.json","state_url":"https://pith.science/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV/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":"2026-08-11T08:46:36Z","links":{"resolver":"https://pith.science/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV","bundle":"https://pith.science/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV/bundle.json","state":"https://pith.science/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T3SMQCZ7BJDKTZDV26MB2UWOSV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:T3SMQCZ7BJDKTZDV26MB2UWOSV","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":"f2cd3ec3dd9d69553185dff01c6aaab994519bad062d81204dfc92cf5221e81d","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-04T11:47:40Z","title_canon_sha256":"2be9474294d5c4ff1f23a93d438ea62b5636ecec7803a88412dfdf74cf7229b1"},"schema_version":"1.0","source":{"id":"2503.02528","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.02528","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"arxiv_version","alias_value":"2503.02528v1","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.02528","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"pith_short_12","alias_value":"T3SMQCZ7BJDK","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"pith_short_16","alias_value":"T3SMQCZ7BJDKTZDV","created_at":"2026-07-05T10:24:07Z"},{"alias_kind":"pith_short_8","alias_value":"T3SMQCZ7","created_at":"2026-07-05T10:24:07Z"}],"graph_snapshots":[{"event_id":"sha256:877805e3820ebc145951fbe04af7d77e2eee385dfc7dc8a8a19bfadde394e565","target":"graph","created_at":"2026-07-05T10:24:07Z","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/2503.02528/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present prospects for the $\\Theta^+$ pentaquark baryon search using the newly constructed LEPS2 facility at SPring-8. The LEPS2 detector system features significant improvements in acceptance for multi-particle final states compared to previous experiments. Our search employs two complementary strategies: direct production in the $\\gamma n \\to K^-\\Theta^+$ reaction using a liquid deuterium target with a photon beam up to 2.4 GeV, and $\\bar{K}^{*0}$-associated $\\Theta^+$ production using a liquid hydrogen target with a photon beam up to 2.9 GeV. The extended acceptance covers both forward an","authors_text":"A. Higashi, A.O. Tokiyasu, B. Yan, C. Rangacharyulu, C. Yoshida, G. Kojima, H. Katsuragawa, H. Kohri, H. Ohkuma, H. Ohnishi, H. Shimizu, J.K. Ahn, K. Mizutani, K. Nishi, K. Watanabe, M. Miyabe, M. Niiyama, M. Sumihama, M. Yosoi, N. Muramatsu, R. Kobayakawa, S. Ajimura, S. Dat'e, S. Suzuki, S. Tanaka, S.Y. Ryu, T. Hashimoto, T.H. Nam, T. Hotta, T. Ishikawa, T. Nakano, T. Yorita, Y. Asano, Y. Ma, Y. Ohashi, Y. Sada","cross_cats":["nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-04T11:47:40Z","title":"Prospects for Pentaquark Baryon Search with the Upgraded LEPS2 Facility"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.02528","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":"sha256:87f864cc4de840aa4cb00296ab94eb6e5639eba85cde457a653b2840d1c20c59","target":"record","created_at":"2026-07-05T10:24:07Z","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":"f2cd3ec3dd9d69553185dff01c6aaab994519bad062d81204dfc92cf5221e81d","cross_cats_sorted":["nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2025-03-04T11:47:40Z","title_canon_sha256":"2be9474294d5c4ff1f23a93d438ea62b5636ecec7803a88412dfdf74cf7229b1"},"schema_version":"1.0","source":{"id":"2503.02528","kind":"arxiv","version":1}},"canonical_sha256":"9ee4c80b3f0a46a9e475d7981d52ce957a447b821677d8c87d3334d9577380c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ee4c80b3f0a46a9e475d7981d52ce957a447b821677d8c87d3334d9577380c3","first_computed_at":"2026-07-05T10:24:07.570610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:24:07.570610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"znG4DCDJi3C3OOR5MWuV46Up687+tdgxTcTp4aNNcqSDDQjmei3dbXlGm9deBcl/eNNtEpQgS/3dDBnuSxHtCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:24:07.571598Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.02528","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87f864cc4de840aa4cb00296ab94eb6e5639eba85cde457a653b2840d1c20c59","sha256:877805e3820ebc145951fbe04af7d77e2eee385dfc7dc8a8a19bfadde394e565"],"state_sha256":"8ad8e30b12420b6e1656655ceabfb29527abb89e7ea0a6e95ffbcfffbbf68d69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+FTxtor2IsftAJu9SccfOddQ9zXqvV8TNswIYwZ4X048su6G95ej1Mhjsf2o22kzHbKHPud8NH26TsDj4aFGAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T08:46:36.062792Z","bundle_sha256":"4000e5a2eb6dc808e6520d76f0c8fef601f8a29afaa6f371479ac1b167e2e2e5"}}