{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:U2EUKSIMUA52U5PGRA5B4PHMHZ","short_pith_number":"pith:U2EUKSIM","canonical_record":{"source":{"id":"2205.06372","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-05-12T21:29:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea6317bd81030124ea75e1cfd56ad64605c46d895961bd832f279c26ba80f206","abstract_canon_sha256":"86c54db45b524e295b00060423b3c1bb9d61eea435e48e90ad53f5cf5154dc54"},"schema_version":"1.0"},"canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","source":{"kind":"arxiv","id":"2205.06372","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.06372","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"arxiv_version","alias_value":"2205.06372v1","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.06372","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"pith_short_12","alias_value":"U2EUKSIMUA52","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"pith_short_16","alias_value":"U2EUKSIMUA52U5PG","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"pith_short_8","alias_value":"U2EUKSIM","created_at":"2026-07-05T04:22:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:U2EUKSIMUA52U5PGRA5B4PHMHZ","target":"record","payload":{"canonical_record":{"source":{"id":"2205.06372","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-05-12T21:29:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea6317bd81030124ea75e1cfd56ad64605c46d895961bd832f279c26ba80f206","abstract_canon_sha256":"86c54db45b524e295b00060423b3c1bb9d61eea435e48e90ad53f5cf5154dc54"},"schema_version":"1.0"},"canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:22:56.952682Z","signature_b64":"1C6zQw5SVDrx+RVkvbdW4Fa+Rp8GWUB7g+2xyII0X2IYr/BA6npZIhbwzAg8JbS1DpvXimI6v3NuKgF8hvEoCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","last_reissued_at":"2026-07-05T04:22:56.952216Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:22:56.952216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.06372","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":"2026-07-05T04:22:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1audKcpKq601nBp//CvamEo7+Fuje+m4qWpMqIg8QHvirB1O2nwooJVTLDb4Z39+CXXA72EAfkw0n7jprFYRDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:55:11.950079Z"},"content_sha256":"47acc96a0de4b6ea1256a10563017bde6fa110f9a2eddd5e298871486676f242","schema_version":"1.0","event_id":"sha256:47acc96a0de4b6ea1256a10563017bde6fa110f9a2eddd5e298871486676f242"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:U2EUKSIMUA52U5PGRA5B4PHMHZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of Lepton Mass Squared Moments in $B \\to X_c \\ell \\bar \\nu_{\\ell}$ Decays with the Belle II Experiment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Belle II Collaboration","submitted_at":"2022-05-12T21:29:49Z","abstract_excerpt":"We present measurements of the first to fourth moments of the lepton mass squared $q^2$ of \\mbox{$B \\to X_c \\, \\ell\\, \\bar \\nu_{\\ell}$} decays for $\\ell = e, \\mu$ and with $X_c$ a hadronic system containing a charm quark. These results use a sample of electron-positron collisions at the $\\Upsilon(4S)$ resonance corresponding to $62.8 \\, \\mathrm{fb}^{-1}$ of integrated luminosity and collected by the Belle II experiment in 2019 and 2020. To identify the $X_c$ system and reconstruct $q^2$, one of the $B$ mesons from an $\\Upsilon(4S) \\to B \\kern 0.18em\\overline{\\kern -0.18em B}$ decay is fully re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.06372","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/2205.06372/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":"2026-07-05T04:22:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eJelIK8v5KrVh/K+KeMqIx3WZv3ZdOhT+LWRKDo1yaeWSCe6Ys5knq4nqPC3lh2DLLbdss8kYvewkH6VOFPVDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T05:55:11.950647Z"},"content_sha256":"81059e5c32bdfa48b71b998653a8e6f4187179548cf1a9d5dc2b830a25eafd6c","schema_version":"1.0","event_id":"sha256:81059e5c32bdfa48b71b998653a8e6f4187179548cf1a9d5dc2b830a25eafd6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/bundle.json","state_url":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/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":"2026-08-10T05:55:11Z","links":{"resolver":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ","bundle":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/bundle.json","state":"https://pith.science/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U2EUKSIMUA52U5PGRA5B4PHMHZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:U2EUKSIMUA52U5PGRA5B4PHMHZ","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":"86c54db45b524e295b00060423b3c1bb9d61eea435e48e90ad53f5cf5154dc54","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-05-12T21:29:49Z","title_canon_sha256":"ea6317bd81030124ea75e1cfd56ad64605c46d895961bd832f279c26ba80f206"},"schema_version":"1.0","source":{"id":"2205.06372","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.06372","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"arxiv_version","alias_value":"2205.06372v1","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.06372","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"pith_short_12","alias_value":"U2EUKSIMUA52","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"pith_short_16","alias_value":"U2EUKSIMUA52U5PG","created_at":"2026-07-05T04:22:56Z"},{"alias_kind":"pith_short_8","alias_value":"U2EUKSIM","created_at":"2026-07-05T04:22:56Z"}],"graph_snapshots":[{"event_id":"sha256:81059e5c32bdfa48b71b998653a8e6f4187179548cf1a9d5dc2b830a25eafd6c","target":"graph","created_at":"2026-07-05T04:22:56Z","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/2205.06372/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present measurements of the first to fourth moments of the lepton mass squared $q^2$ of \\mbox{$B \\to X_c \\, \\ell\\, \\bar \\nu_{\\ell}$} decays for $\\ell = e, \\mu$ and with $X_c$ a hadronic system containing a charm quark. These results use a sample of electron-positron collisions at the $\\Upsilon(4S)$ resonance corresponding to $62.8 \\, \\mathrm{fb}^{-1}$ of integrated luminosity and collected by the Belle II experiment in 2019 and 2020. To identify the $X_c$ system and reconstruct $q^2$, one of the $B$ mesons from an $\\Upsilon(4S) \\to B \\kern 0.18em\\overline{\\kern -0.18em B}$ decay is fully re","authors_text":"Belle II Collaboration","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-05-12T21:29:49Z","title":"Measurement of Lepton Mass Squared Moments in $B \\to X_c \\ell \\bar \\nu_{\\ell}$ Decays with the Belle II Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.06372","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":"sha256:47acc96a0de4b6ea1256a10563017bde6fa110f9a2eddd5e298871486676f242","target":"record","created_at":"2026-07-05T04:22:56Z","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":"86c54db45b524e295b00060423b3c1bb9d61eea435e48e90ad53f5cf5154dc54","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2022-05-12T21:29:49Z","title_canon_sha256":"ea6317bd81030124ea75e1cfd56ad64605c46d895961bd832f279c26ba80f206"},"schema_version":"1.0","source":{"id":"2205.06372","kind":"arxiv","version":1}},"canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a68945490ca03baa75e6883a1e3cec3e5a9d33f521bcc8c8bc77edf6b08c1237","first_computed_at":"2026-07-05T04:22:56.952216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:22:56.952216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1C6zQw5SVDrx+RVkvbdW4Fa+Rp8GWUB7g+2xyII0X2IYr/BA6npZIhbwzAg8JbS1DpvXimI6v3NuKgF8hvEoCw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:22:56.952682Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.06372","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47acc96a0de4b6ea1256a10563017bde6fa110f9a2eddd5e298871486676f242","sha256:81059e5c32bdfa48b71b998653a8e6f4187179548cf1a9d5dc2b830a25eafd6c"],"state_sha256":"d37a84874029e4905b76a6a417e88db7a4ee9a76156fe5ed8a5a0420899781db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kia4UUJgOFKW4R/LtXNIpCcluPRsPmIei+u7Ir3+YKjpJHNIhy5f8Xx5TYTL1rWGhaveSexRsbTYgLv75Oe/CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T05:55:11.956084Z","bundle_sha256":"c40e6295b0a570c7b0b4db7d969e06e4123013dd946ad5b34f0e9f169ba0bdf5"}}