{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WD2KPF7YXHODHWORYJY7KRBBR6","short_pith_number":"pith:WD2KPF7Y","canonical_record":{"source":{"id":"1511.01407","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-11-04T17:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"2fa5df9d3437356bac87feda0f48f8dfaaaaf4a6d2c94f0de0da588ff54733a1","abstract_canon_sha256":"6ef322d89ec44c13fee3a562e317a0afcad8941b8226f54bf1404e5e84607d3c"},"schema_version":"1.0"},"canonical_sha256":"b0f4a797f8b9dc33d9d1c271f544218fa5c30a2cff56cad2d171559ff24bc14b","source":{"kind":"arxiv","id":"1511.01407","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01407","created_at":"2026-05-18T01:17:25Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01407v2","created_at":"2026-05-18T01:17:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01407","created_at":"2026-05-18T01:17:25Z"},{"alias_kind":"pith_short_12","alias_value":"WD2KPF7YXHOD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WD2KPF7YXHODHWOR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WD2KPF7Y","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WD2KPF7YXHODHWORYJY7KRBBR6","target":"record","payload":{"canonical_record":{"source":{"id":"1511.01407","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-11-04T17:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"2fa5df9d3437356bac87feda0f48f8dfaaaaf4a6d2c94f0de0da588ff54733a1","abstract_canon_sha256":"6ef322d89ec44c13fee3a562e317a0afcad8941b8226f54bf1404e5e84607d3c"},"schema_version":"1.0"},"canonical_sha256":"b0f4a797f8b9dc33d9d1c271f544218fa5c30a2cff56cad2d171559ff24bc14b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:25.130254Z","signature_b64":"HdrwbUzFjVQ2n7GpQ29vEIOGSDS0epDcN8r0gWNb7USfa67uM9gVbrYOkqSaDFlhBgHDTsKsG6YeNlPz/PXiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f4a797f8b9dc33d9d1c271f544218fa5c30a2cff56cad2d171559ff24bc14b","last_reissued_at":"2026-05-18T01:17:25.129857Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:25.129857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.01407","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":"2026-05-18T01:17:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9JJ+/18h175QJ7II0zxX2j1r5aavgyFCwC+hZK13lR10WKTdlLhF/Ub5Lev2HhpnZ5CQQyWJ2EsQmrCA7N48Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T22:32:14.275326Z"},"content_sha256":"aec2cf4cb9621bebdc4298d4857779d0f50780a748ffb5d394397803de285b9c","schema_version":"1.0","event_id":"sha256:aec2cf4cb9621bebdc4298d4857779d0f50780a748ffb5d394397803de285b9c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WD2KPF7YXHODHWORYJY7KRBBR6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Search for excited leptons in proton-proton collisions at sqrt(s) = 8 TeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"CMS Collaboration","submitted_at":"2015-11-04T17:34:44Z","abstract_excerpt":"A search for compositeness of electrons and muons is presented using a data sample of proton-proton collisions at a center-of-mass energy of sqrt(s) = 8 TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 inverse femtobarns. Excited leptons (l*) produced via contact interactions in conjunction with a standard model lepton are considered, and a search is made for their gauge decay modes. The decays considered are l* to l + gamma and l* to l + Z, which give final states of two leptons and a photon or, depending on the Z-boson decay mode, four lept"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01407","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":""},"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":"2026-05-18T01:17:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q4hrkUMKdGqVTLKRVRzJQQ70ZdACRrnLQ5rcc/b8F577ONHnEZ9uFFQ1BrAP3EHMzSnYJZUBNrhKaWMFwCUDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T22:32:14.275690Z"},"content_sha256":"9f1c5230e4254d9da0bbaea0ddd363c3839197f96fbabf7cc59aa917039c6aa6","schema_version":"1.0","event_id":"sha256:9f1c5230e4254d9da0bbaea0ddd363c3839197f96fbabf7cc59aa917039c6aa6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WD2KPF7YXHODHWORYJY7KRBBR6/bundle.json","state_url":"https://pith.science/pith/WD2KPF7YXHODHWORYJY7KRBBR6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WD2KPF7YXHODHWORYJY7KRBBR6/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":"2026-06-28T22:32:14Z","links":{"resolver":"https://pith.science/pith/WD2KPF7YXHODHWORYJY7KRBBR6","bundle":"https://pith.science/pith/WD2KPF7YXHODHWORYJY7KRBBR6/bundle.json","state":"https://pith.science/pith/WD2KPF7YXHODHWORYJY7KRBBR6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WD2KPF7YXHODHWORYJY7KRBBR6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WD2KPF7YXHODHWORYJY7KRBBR6","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":"6ef322d89ec44c13fee3a562e317a0afcad8941b8226f54bf1404e5e84607d3c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-11-04T17:34:44Z","title_canon_sha256":"2fa5df9d3437356bac87feda0f48f8dfaaaaf4a6d2c94f0de0da588ff54733a1"},"schema_version":"1.0","source":{"id":"1511.01407","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01407","created_at":"2026-05-18T01:17:25Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01407v2","created_at":"2026-05-18T01:17:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01407","created_at":"2026-05-18T01:17:25Z"},{"alias_kind":"pith_short_12","alias_value":"WD2KPF7YXHOD","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WD2KPF7YXHODHWOR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WD2KPF7Y","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:9f1c5230e4254d9da0bbaea0ddd363c3839197f96fbabf7cc59aa917039c6aa6","target":"graph","created_at":"2026-05-18T01:17:25Z","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 compositeness of electrons and muons is presented using a data sample of proton-proton collisions at a center-of-mass energy of sqrt(s) = 8 TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 inverse femtobarns. Excited leptons (l*) produced via contact interactions in conjunction with a standard model lepton are considered, and a search is made for their gauge decay modes. The decays considered are l* to l + gamma and l* to l + Z, which give final states of two leptons and a photon or, depending on the Z-boson decay mode, four lept","authors_text":"CMS Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-11-04T17:34:44Z","title":"Search for excited leptons in proton-proton collisions at sqrt(s) = 8 TeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01407","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:aec2cf4cb9621bebdc4298d4857779d0f50780a748ffb5d394397803de285b9c","target":"record","created_at":"2026-05-18T01:17:25Z","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":"6ef322d89ec44c13fee3a562e317a0afcad8941b8226f54bf1404e5e84607d3c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2015-11-04T17:34:44Z","title_canon_sha256":"2fa5df9d3437356bac87feda0f48f8dfaaaaf4a6d2c94f0de0da588ff54733a1"},"schema_version":"1.0","source":{"id":"1511.01407","kind":"arxiv","version":2}},"canonical_sha256":"b0f4a797f8b9dc33d9d1c271f544218fa5c30a2cff56cad2d171559ff24bc14b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f4a797f8b9dc33d9d1c271f544218fa5c30a2cff56cad2d171559ff24bc14b","first_computed_at":"2026-05-18T01:17:25.129857Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:25.129857Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HdrwbUzFjVQ2n7GpQ29vEIOGSDS0epDcN8r0gWNb7USfa67uM9gVbrYOkqSaDFlhBgHDTsKsG6YeNlPz/PXiBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:25.130254Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.01407","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aec2cf4cb9621bebdc4298d4857779d0f50780a748ffb5d394397803de285b9c","sha256:9f1c5230e4254d9da0bbaea0ddd363c3839197f96fbabf7cc59aa917039c6aa6"],"state_sha256":"a920c3b1efbd0aa1cb2397bcb1a41ffa827aa7e78093f373a454aab8906c65a7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OwfzZEtFqnkkcqi9KQlDvrDFCF43keLln6ahCJrlj56HdnIJWCrin+sWu7LgiSD2PFu5lYMBHqrprkPMcyZICg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T22:32:14.278208Z","bundle_sha256":"e4ebcee1e79cf1624f0339d7c7d80ea773661be17b8ee84ea70320e345ab0c34"}}