{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YQXQC52EV4JYIMCRV4DXKAFQSQ","short_pith_number":"pith:YQXQC52E","canonical_record":{"source":{"id":"1403.4502","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-18T15:28:03Z","cross_cats_sorted":[],"title_canon_sha256":"de8ed2f53ae72d7727d5da99c0ed2c19bb0e17f27ac1b2f09af24ef8c7955063","abstract_canon_sha256":"12f26ea303186cdc1afe1f10624b2353a50e54beb7687cc042bb9d69a5e56510"},"schema_version":"1.0"},"canonical_sha256":"c42f017744af13843051af077500b09401d382b92103fc73e66ebab65eab95a5","source":{"kind":"arxiv","id":"1403.4502","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.4502","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1403.4502v1","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.4502","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"YQXQC52EV4JY","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YQXQC52EV4JYIMCR","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YQXQC52E","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YQXQC52EV4JYIMCRV4DXKAFQSQ","target":"record","payload":{"canonical_record":{"source":{"id":"1403.4502","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-18T15:28:03Z","cross_cats_sorted":[],"title_canon_sha256":"de8ed2f53ae72d7727d5da99c0ed2c19bb0e17f27ac1b2f09af24ef8c7955063","abstract_canon_sha256":"12f26ea303186cdc1afe1f10624b2353a50e54beb7687cc042bb9d69a5e56510"},"schema_version":"1.0"},"canonical_sha256":"c42f017744af13843051af077500b09401d382b92103fc73e66ebab65eab95a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:02.288710Z","signature_b64":"z8XG2EyBZIMkYPtuyltlBJOzf7KJ1lVuDSJecf+lqEwKpm4RZ33BAe6e2gGtCF9h5dH3VoEh8DKQNRr55LLKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c42f017744af13843051af077500b09401d382b92103fc73e66ebab65eab95a5","last_reissued_at":"2026-05-18T02:50:02.288185Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:02.288185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.4502","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":"2026-05-18T02:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IIxj/TJRCJMb3d0Kslo0pu5U0J8G/D500a7qaWoas8XmJexoFxtu0iiwwGCJDbr6g1IiFjeLWrmPIlX2uTs4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:58:07.564838Z"},"content_sha256":"1b232ef51c2c7dd7ba82feaa9b29bf0478f576524f47afbac4bbbef76fd20261","schema_version":"1.0","event_id":"sha256:1b232ef51c2c7dd7ba82feaa9b29bf0478f576524f47afbac4bbbef76fd20261"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YQXQC52EV4JYIMCRV4DXKAFQSQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NLL QCD contribution of the electromagnetic dipole operator to B -> X_s gamma gamma with a massive strange quark","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. Greub, H.M Asatrian","submitted_at":"2014-03-18T15:28:03Z","abstract_excerpt":"We calculate the O(alpha_s) corrections to the double differential decay width dGamma_{77}/(ds_1 ds_2) for the process B -> X_s gamma gamma originating from diagrams involving the electromagnetic dipole operator O_7. The kinematical variables s_1 and s_2 are defined as s_i=(p_b - q_i)^2/m_b^2, where p_b, q_1, q_2 are the momenta of b-quark and two photons. We introduce a nonzero mass m_s for the strange quark to regulate configurations where the gluon or one of the photons become collinear with the strange quark and retain terms which are logarithmic in m_s, while discarding terms which go to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4502","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":"2026-05-18T02:50:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YNeOcgGQ/o/zxdzNeDMyLf3PIlWbmKz5+W4uZ9WrTgZ55nCiP+YGobfDmUeMPTEecUEWSHvnzZTyVmNEx4MrCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:58:07.565514Z"},"content_sha256":"4751e89e7f6b19713d1f46a3f9fe8ae89f659d5e7d67ab479f220dc8a484efa5","schema_version":"1.0","event_id":"sha256:4751e89e7f6b19713d1f46a3f9fe8ae89f659d5e7d67ab479f220dc8a484efa5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ/bundle.json","state_url":"https://pith.science/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ/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":"2026-05-26T00:58:07Z","links":{"resolver":"https://pith.science/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ","bundle":"https://pith.science/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ/bundle.json","state":"https://pith.science/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YQXQC52EV4JYIMCRV4DXKAFQSQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YQXQC52EV4JYIMCRV4DXKAFQSQ","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":"12f26ea303186cdc1afe1f10624b2353a50e54beb7687cc042bb9d69a5e56510","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-18T15:28:03Z","title_canon_sha256":"de8ed2f53ae72d7727d5da99c0ed2c19bb0e17f27ac1b2f09af24ef8c7955063"},"schema_version":"1.0","source":{"id":"1403.4502","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.4502","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"arxiv_version","alias_value":"1403.4502v1","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.4502","created_at":"2026-05-18T02:50:02Z"},{"alias_kind":"pith_short_12","alias_value":"YQXQC52EV4JY","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YQXQC52EV4JYIMCR","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YQXQC52E","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:4751e89e7f6b19713d1f46a3f9fe8ae89f659d5e7d67ab479f220dc8a484efa5","target":"graph","created_at":"2026-05-18T02:50:02Z","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":"We calculate the O(alpha_s) corrections to the double differential decay width dGamma_{77}/(ds_1 ds_2) for the process B -> X_s gamma gamma originating from diagrams involving the electromagnetic dipole operator O_7. The kinematical variables s_1 and s_2 are defined as s_i=(p_b - q_i)^2/m_b^2, where p_b, q_1, q_2 are the momenta of b-quark and two photons. We introduce a nonzero mass m_s for the strange quark to regulate configurations where the gluon or one of the photons become collinear with the strange quark and retain terms which are logarithmic in m_s, while discarding terms which go to ","authors_text":"C. Greub, H.M Asatrian","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-18T15:28:03Z","title":"NLL QCD contribution of the electromagnetic dipole operator to B -> X_s gamma gamma with a massive strange quark"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.4502","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":"sha256:1b232ef51c2c7dd7ba82feaa9b29bf0478f576524f47afbac4bbbef76fd20261","target":"record","created_at":"2026-05-18T02:50:02Z","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":"12f26ea303186cdc1afe1f10624b2353a50e54beb7687cc042bb9d69a5e56510","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-03-18T15:28:03Z","title_canon_sha256":"de8ed2f53ae72d7727d5da99c0ed2c19bb0e17f27ac1b2f09af24ef8c7955063"},"schema_version":"1.0","source":{"id":"1403.4502","kind":"arxiv","version":1}},"canonical_sha256":"c42f017744af13843051af077500b09401d382b92103fc73e66ebab65eab95a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c42f017744af13843051af077500b09401d382b92103fc73e66ebab65eab95a5","first_computed_at":"2026-05-18T02:50:02.288185Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:02.288185Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z8XG2EyBZIMkYPtuyltlBJOzf7KJ1lVuDSJecf+lqEwKpm4RZ33BAe6e2gGtCF9h5dH3VoEh8DKQNRr55LLKCg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:02.288710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.4502","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b232ef51c2c7dd7ba82feaa9b29bf0478f576524f47afbac4bbbef76fd20261","sha256:4751e89e7f6b19713d1f46a3f9fe8ae89f659d5e7d67ab479f220dc8a484efa5"],"state_sha256":"633a9de4c9621174614e3a5b7cffc1d761b19505be1c8c7d9f81f261f0db7339"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z0TRRJqDAxxxGa8AVsaqSCHGlf1Mn9M47yL0XjPLDVjIbOJeFt6PJbb1DGwrVURMCvabRUTiVKG2gPVZ9AkrBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:58:07.568934Z","bundle_sha256":"0f37a46bf3d1501546f11885a84a0524102bb84d2769f1517b326cbe446af7dd"}}