{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:NE3FGK4QP6PS26373F2AB2PEYI","short_pith_number":"pith:NE3FGK4Q","schema_version":"1.0","canonical_sha256":"6936532b907f9f2d7b7fd97400e9e4c2374095b183392779ada2a475cfb1fa0c","source":{"kind":"arxiv","id":"0709.3371","version":1},"attestation_state":"computed","paper":{"title":"Search for the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, J. Z. Bai, M. Ablikim","submitted_at":"2007-09-21T08:52:36Z","abstract_excerpt":"Using 14.0\\times 10^6 \\psi(2S) events collected with the BES-II detector, the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi is studied. We determine a new upper limit for the J/psi->gamma gamma branching ratio of B(J/psi->gamma gamma)<2.2\\times 10^{-5} at the 90% C.L., which is about 20 times lower than the previous measurement."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0709.3371","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2007-09-21T08:52:36Z","cross_cats_sorted":[],"title_canon_sha256":"68d686bdb889aeecd09c3b1f03ff733e6535a2deb856af729efcfb8cc2ccc5d1","abstract_canon_sha256":"4d58e0d80a597d1168436979ca90217b8cc3a8fb4f28139dbe65d9faa72756dd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:24:42.078588Z","signature_b64":"fXE59dUJl2peqcxsrrzZSiTtheeJG6kl5sSmBXwRN6vMTxH3RS3mk2nn22Z1HjQhLpjxU81rvUu6Y5mOD0zRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6936532b907f9f2d7b7fd97400e9e4c2374095b183392779ada2a475cfb1fa0c","last_reissued_at":"2026-07-04T15:24:42.078175Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:24:42.078175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Search for the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"et al, J. Z. Bai, M. Ablikim","submitted_at":"2007-09-21T08:52:36Z","abstract_excerpt":"Using 14.0\\times 10^6 \\psi(2S) events collected with the BES-II detector, the C-parity violating process J/psi->gamma gamma via psi(2S)->pi+pi- J/psi is studied. We determine a new upper limit for the J/psi->gamma gamma branching ratio of B(J/psi->gamma gamma)<2.2\\times 10^{-5} at the 90% C.L., which is about 20 times lower than the previous measurement."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.3371","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/0709.3371/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0709.3371","created_at":"2026-07-04T15:24:42.078242+00:00"},{"alias_kind":"arxiv_version","alias_value":"0709.3371v1","created_at":"2026-07-04T15:24:42.078242+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.3371","created_at":"2026-07-04T15:24:42.078242+00:00"},{"alias_kind":"pith_short_12","alias_value":"NE3FGK4QP6PS","created_at":"2026-07-04T15:24:42.078242+00:00"},{"alias_kind":"pith_short_16","alias_value":"NE3FGK4QP6PS2637","created_at":"2026-07-04T15:24:42.078242+00:00"},{"alias_kind":"pith_short_8","alias_value":"NE3FGK4Q","created_at":"2026-07-04T15:24:42.078242+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI","json":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI.json","graph_json":"https://pith.science/api/pith-number/NE3FGK4QP6PS26373F2AB2PEYI/graph.json","events_json":"https://pith.science/api/pith-number/NE3FGK4QP6PS26373F2AB2PEYI/events.json","paper":"https://pith.science/paper/NE3FGK4Q"},"agent_actions":{"view_html":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI","download_json":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI.json","view_paper":"https://pith.science/paper/NE3FGK4Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0709.3371&json=true","fetch_graph":"https://pith.science/api/pith-number/NE3FGK4QP6PS26373F2AB2PEYI/graph.json","fetch_events":"https://pith.science/api/pith-number/NE3FGK4QP6PS26373F2AB2PEYI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI/action/storage_attestation","attest_author":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI/action/author_attestation","sign_citation":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI/action/citation_signature","submit_replication":"https://pith.science/pith/NE3FGK4QP6PS26373F2AB2PEYI/action/replication_record"}},"created_at":"2026-07-04T15:24:42.078242+00:00","updated_at":"2026-07-04T15:24:42.078242+00:00"}