{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:K47DVUMFWJ4G5TNZB6I6H7ENS3","short_pith_number":"pith:K47DVUMF","canonical_record":{"source":{"id":"hep-ex/0202011","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2002-02-04T13:43:10Z","cross_cats_sorted":[],"title_canon_sha256":"b0f68f28425152a3f4cd9c77e01fff3cfa60d5d3b8888c54ddd61decd2df15c5","abstract_canon_sha256":"7d9e8868eacb720ddc1dcc7914e5f7ec00924878a73a43a050c788f929f269dc"},"schema_version":"1.0"},"canonical_sha256":"573e3ad185b2786ecdb90f91e3fc8d96ccbd832c200077d534419cf0dd09e4af","source":{"kind":"arxiv","id":"hep-ex/0202011","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0202011","created_at":"2026-05-18T03:47:32Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0202011v1","created_at":"2026-05-18T03:47:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0202011","created_at":"2026-05-18T03:47:32Z"},{"alias_kind":"pith_short_12","alias_value":"K47DVUMFWJ4G","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"K47DVUMFWJ4G5TNZ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"K47DVUMF","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:K47DVUMFWJ4G5TNZB6I6H7ENS3","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0202011","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2002-02-04T13:43:10Z","cross_cats_sorted":[],"title_canon_sha256":"b0f68f28425152a3f4cd9c77e01fff3cfa60d5d3b8888c54ddd61decd2df15c5","abstract_canon_sha256":"7d9e8868eacb720ddc1dcc7914e5f7ec00924878a73a43a050c788f929f269dc"},"schema_version":"1.0"},"canonical_sha256":"573e3ad185b2786ecdb90f91e3fc8d96ccbd832c200077d534419cf0dd09e4af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:32.657612Z","signature_b64":"m0RQF8h3qcKb+fuqP1hvbfPYG4wNnJDwpvw1TGO2JkzUrKShnhvfOSOa9CRje5n7yqu/wO6RUbheBCF00VWBDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"573e3ad185b2786ecdb90f91e3fc8d96ccbd832c200077d534419cf0dd09e4af","last_reissued_at":"2026-05-18T03:47:32.656879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:32.656879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0202011","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":"2026-05-18T03:47:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kyHAONOMeA846+uBHvkbkCENyjvLyQ6N2oOp3M+66hpKRXj8mEeK/0PGktOvh44Z9CYq7ragISLje7Kho58MCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T06:03:50.941178Z"},"content_sha256":"a1cbe2c06d13a2d31e299a0979a7a6e24dd7361dc3487993a0ecb6bfd689e4ef","schema_version":"1.0","event_id":"sha256:a1cbe2c06d13a2d31e299a0979a7a6e24dd7361dc3487993a0ecb6bfd689e4ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:K47DVUMFWJ4G5TNZB6I6H7ENS3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for gammagamma -> eta_b in e+e- collisions at LEP2","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ALEPH Collaboration","submitted_at":"2002-02-04T13:43:10Z","abstract_excerpt":"A search for the pseudoscalar meson eta_b is performed in two-photon interactions at LEP~2 with an integrated luminosity of 699 pb^-1 collected at e+e- centre-of-mass energies from 181 GeV to 209 GeV. One candidate event is found in the six-charged-particle final state and none in the four-charged-particle final state, in agreement with the total expected background of about one event. Upper limits of Gamma_gammagamma(eta_b) * BR(eta_b -> 4 charged particles) < 48 eV Gamma_gammagamma(eta_b) * BR(eta_b -> 6 charged particles) < 132 eV are obtained at 95% confidence level, which correspond to 95"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0202011","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":"2026-05-18T03:47:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PkS4m0l4+am/n3C8hJswbAjiWN27ulfUROBWjD81wt4t9quhhmsNf4CyWTw6LUDWOZJLMi1JnKCFE1WlyFkqCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T06:03:50.941534Z"},"content_sha256":"b8d890c691a5cd9265715ee8e8611915186157eaf8c5f007672549b571e307ea","schema_version":"1.0","event_id":"sha256:b8d890c691a5cd9265715ee8e8611915186157eaf8c5f007672549b571e307ea"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3/bundle.json","state_url":"https://pith.science/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3/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":"2026-06-12T06:03:50Z","links":{"resolver":"https://pith.science/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3","bundle":"https://pith.science/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3/bundle.json","state":"https://pith.science/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K47DVUMFWJ4G5TNZB6I6H7ENS3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:K47DVUMFWJ4G5TNZB6I6H7ENS3","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":"7d9e8868eacb720ddc1dcc7914e5f7ec00924878a73a43a050c788f929f269dc","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2002-02-04T13:43:10Z","title_canon_sha256":"b0f68f28425152a3f4cd9c77e01fff3cfa60d5d3b8888c54ddd61decd2df15c5"},"schema_version":"1.0","source":{"id":"hep-ex/0202011","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0202011","created_at":"2026-05-18T03:47:32Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0202011v1","created_at":"2026-05-18T03:47:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0202011","created_at":"2026-05-18T03:47:32Z"},{"alias_kind":"pith_short_12","alias_value":"K47DVUMFWJ4G","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"K47DVUMFWJ4G5TNZ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"K47DVUMF","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:b8d890c691a5cd9265715ee8e8611915186157eaf8c5f007672549b571e307ea","target":"graph","created_at":"2026-05-18T03:47:32Z","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":"A search for the pseudoscalar meson eta_b is performed in two-photon interactions at LEP~2 with an integrated luminosity of 699 pb^-1 collected at e+e- centre-of-mass energies from 181 GeV to 209 GeV. One candidate event is found in the six-charged-particle final state and none in the four-charged-particle final state, in agreement with the total expected background of about one event. Upper limits of Gamma_gammagamma(eta_b) * BR(eta_b -> 4 charged particles) < 48 eV Gamma_gammagamma(eta_b) * BR(eta_b -> 6 charged particles) < 132 eV are obtained at 95% confidence level, which correspond to 95","authors_text":"ALEPH Collaboration","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2002-02-04T13:43:10Z","title":"Search for gammagamma -> eta_b in e+e- collisions at LEP2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0202011","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:a1cbe2c06d13a2d31e299a0979a7a6e24dd7361dc3487993a0ecb6bfd689e4ef","target":"record","created_at":"2026-05-18T03:47:32Z","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":"7d9e8868eacb720ddc1dcc7914e5f7ec00924878a73a43a050c788f929f269dc","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2002-02-04T13:43:10Z","title_canon_sha256":"b0f68f28425152a3f4cd9c77e01fff3cfa60d5d3b8888c54ddd61decd2df15c5"},"schema_version":"1.0","source":{"id":"hep-ex/0202011","kind":"arxiv","version":1}},"canonical_sha256":"573e3ad185b2786ecdb90f91e3fc8d96ccbd832c200077d534419cf0dd09e4af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"573e3ad185b2786ecdb90f91e3fc8d96ccbd832c200077d534419cf0dd09e4af","first_computed_at":"2026-05-18T03:47:32.656879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:32.656879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m0RQF8h3qcKb+fuqP1hvbfPYG4wNnJDwpvw1TGO2JkzUrKShnhvfOSOa9CRje5n7yqu/wO6RUbheBCF00VWBDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:32.657612Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0202011","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1cbe2c06d13a2d31e299a0979a7a6e24dd7361dc3487993a0ecb6bfd689e4ef","sha256:b8d890c691a5cd9265715ee8e8611915186157eaf8c5f007672549b571e307ea"],"state_sha256":"c931f7ad32646f060fb8468c91454a070be9f1df33ae0e7a4af01167652a8373"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLPcRISCpgHniLKdHx1TJAj+4CsXbJE2e6hXXVNA3LWfK/v1HcVFGMnxi8pAqMgIR/LnNRtcaxYruX+ukHirCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T06:03:50.943435Z","bundle_sha256":"a0f8fe16d6a4e3727418d2e8e0377480302295cbbdddd6f82d52c5a6aa4af22c"}}