{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:L23S4NK56CV6PBLQ3Z4E26IBLE","short_pith_number":"pith:L23S4NK5","canonical_record":{"source":{"id":"1410.3259","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-ex","submitted_at":"2014-10-13T11:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"a749b0b8aad9343111fb9ec948474b9ef42beb41e92c0642a9e752154d1b44e3","abstract_canon_sha256":"12e5997d579d42a24640bb2ac2490777921a0324bba96bc4a02930155fc4142a"},"schema_version":"1.0"},"canonical_sha256":"5eb72e355df0abe78570de784d79015911cc1edbb16021995cfc9ba67f9375b8","source":{"kind":"arxiv","id":"1410.3259","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.3259","created_at":"2026-05-18T02:31:20Z"},{"alias_kind":"arxiv_version","alias_value":"1410.3259v2","created_at":"2026-05-18T02:31:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3259","created_at":"2026-05-18T02:31:20Z"},{"alias_kind":"pith_short_12","alias_value":"L23S4NK56CV6","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"L23S4NK56CV6PBLQ","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"L23S4NK5","created_at":"2026-05-18T12:28:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:L23S4NK56CV6PBLQ3Z4E26IBLE","target":"record","payload":{"canonical_record":{"source":{"id":"1410.3259","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-ex","submitted_at":"2014-10-13T11:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"a749b0b8aad9343111fb9ec948474b9ef42beb41e92c0642a9e752154d1b44e3","abstract_canon_sha256":"12e5997d579d42a24640bb2ac2490777921a0324bba96bc4a02930155fc4142a"},"schema_version":"1.0"},"canonical_sha256":"5eb72e355df0abe78570de784d79015911cc1edbb16021995cfc9ba67f9375b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:20.556135Z","signature_b64":"prr6Vou1JaksoRRGSRo9Mtkofw8Ef4iITxRXKMILu6NxLONM1ahAQen8tH6E+PIOE+5JH5rDXqPRu4+4YzLJAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5eb72e355df0abe78570de784d79015911cc1edbb16021995cfc9ba67f9375b8","last_reissued_at":"2026-05-18T02:31:20.555384Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:20.555384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.3259","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":"2026-05-18T02:31:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j9S8YgwvqjRuZMikCXYSTnGZcaXRMvhen1YiYCkpSzxXM/RKX0boeWpOJIMFXOOg7VlTRjlTrx4mSNuw7o9rBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:36:09.889118Z"},"content_sha256":"200a5341ad6fa3a739276dff595158b7fa4221ce98d8741c75f07f0ad1b10b9e","schema_version":"1.0","event_id":"sha256:200a5341ad6fa3a739276dff595158b7fa4221ce98d8741c75f07f0ad1b10b9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:L23S4NK56CV6PBLQ3Z4E26IBLE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An automated framework for hierarchical reconstruction of B mesons at the Belle II experiment","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Christian Pulvermacher, Martin Heck, Michael Feindt, Thomas Keck, Thomas Kuhr","submitted_at":"2014-10-13T11:00:39Z","abstract_excerpt":"We present a software framework for Belle II that reconstructs B mesons in many decay modes with minimal user intervention. It does so by reconstructing particles in user-supplied decay channels, and then in turn using these reconstructed particles in higher-level decays. This hierarchical reconstruction allows one to cover a relatively high fraction of all B decays by specifying a limited number of particle decays. Multivariate classification methods are used to achieve a high signal-to-background ratio in each individual channel. The entire reconstruction, including the application of pre-cu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3259","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":"2026-05-18T02:31:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IGafLvbBUiwO0kbr6euByCU0bvkkzfZBxRrZdFPos2zoE3sLlg7LviJElPt4Xv51oCImQZlW7eGY1o9QXphpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T07:36:09.889864Z"},"content_sha256":"de142747fe3412893ef8e67a1dfc322e14b1353dc3971bc3c759c2eea04380d2","schema_version":"1.0","event_id":"sha256:de142747fe3412893ef8e67a1dfc322e14b1353dc3971bc3c759c2eea04380d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L23S4NK56CV6PBLQ3Z4E26IBLE/bundle.json","state_url":"https://pith.science/pith/L23S4NK56CV6PBLQ3Z4E26IBLE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L23S4NK56CV6PBLQ3Z4E26IBLE/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":"2026-05-31T07:36:09Z","links":{"resolver":"https://pith.science/pith/L23S4NK56CV6PBLQ3Z4E26IBLE","bundle":"https://pith.science/pith/L23S4NK56CV6PBLQ3Z4E26IBLE/bundle.json","state":"https://pith.science/pith/L23S4NK56CV6PBLQ3Z4E26IBLE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L23S4NK56CV6PBLQ3Z4E26IBLE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:L23S4NK56CV6PBLQ3Z4E26IBLE","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":"12e5997d579d42a24640bb2ac2490777921a0324bba96bc4a02930155fc4142a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-ex","submitted_at":"2014-10-13T11:00:39Z","title_canon_sha256":"a749b0b8aad9343111fb9ec948474b9ef42beb41e92c0642a9e752154d1b44e3"},"schema_version":"1.0","source":{"id":"1410.3259","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.3259","created_at":"2026-05-18T02:31:20Z"},{"alias_kind":"arxiv_version","alias_value":"1410.3259v2","created_at":"2026-05-18T02:31:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.3259","created_at":"2026-05-18T02:31:20Z"},{"alias_kind":"pith_short_12","alias_value":"L23S4NK56CV6","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"L23S4NK56CV6PBLQ","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"L23S4NK5","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:de142747fe3412893ef8e67a1dfc322e14b1353dc3971bc3c759c2eea04380d2","target":"graph","created_at":"2026-05-18T02:31:20Z","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 present a software framework for Belle II that reconstructs B mesons in many decay modes with minimal user intervention. It does so by reconstructing particles in user-supplied decay channels, and then in turn using these reconstructed particles in higher-level decays. This hierarchical reconstruction allows one to cover a relatively high fraction of all B decays by specifying a limited number of particle decays. Multivariate classification methods are used to achieve a high signal-to-background ratio in each individual channel. The entire reconstruction, including the application of pre-cu","authors_text":"Christian Pulvermacher, Martin Heck, Michael Feindt, Thomas Keck, Thomas Kuhr","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-ex","submitted_at":"2014-10-13T11:00:39Z","title":"An automated framework for hierarchical reconstruction of B mesons at the Belle II experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.3259","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":"sha256:200a5341ad6fa3a739276dff595158b7fa4221ce98d8741c75f07f0ad1b10b9e","target":"record","created_at":"2026-05-18T02:31:20Z","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":"12e5997d579d42a24640bb2ac2490777921a0324bba96bc4a02930155fc4142a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"hep-ex","submitted_at":"2014-10-13T11:00:39Z","title_canon_sha256":"a749b0b8aad9343111fb9ec948474b9ef42beb41e92c0642a9e752154d1b44e3"},"schema_version":"1.0","source":{"id":"1410.3259","kind":"arxiv","version":2}},"canonical_sha256":"5eb72e355df0abe78570de784d79015911cc1edbb16021995cfc9ba67f9375b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5eb72e355df0abe78570de784d79015911cc1edbb16021995cfc9ba67f9375b8","first_computed_at":"2026-05-18T02:31:20.555384Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:20.555384Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"prr6Vou1JaksoRRGSRo9Mtkofw8Ef4iITxRXKMILu6NxLONM1ahAQen8tH6E+PIOE+5JH5rDXqPRu4+4YzLJAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:20.556135Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.3259","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:200a5341ad6fa3a739276dff595158b7fa4221ce98d8741c75f07f0ad1b10b9e","sha256:de142747fe3412893ef8e67a1dfc322e14b1353dc3971bc3c759c2eea04380d2"],"state_sha256":"2ba9f9991a15a670cd768ab99da21dd040c2abd724d09377f5f5f336625b8f3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L9JAg8Ygu4FXy1XzP7dz6mDEyAIDBi+BnV0IGi35lC8M3NMFqDlGqNtlOmWMEHQNtRLgl41JCSK8xOMHtrbBCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T07:36:09.893298Z","bundle_sha256":"d93b7b6d02f3ce02bdf93341c1029726f62953c7b21f07b5cf812f779a7fea4c"}}