{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2TWYSI2LLKQBHNTSKO6XW53NFT","short_pith_number":"pith:2TWYSI2L","canonical_record":{"source":{"id":"1901.03477","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-11T04:44:42Z","cross_cats_sorted":[],"title_canon_sha256":"b4db8ad6a4a7aca1a8a2e0b8e00438417c4124f932d916ea17f9267343be8a41","abstract_canon_sha256":"35609d3bbb6f1d23fb06266a74a1e4d43b58d559f842fc8474a922935f1b1c3a"},"schema_version":"1.0"},"canonical_sha256":"d4ed89234b5aa013b67253bd7b776d2cc7ba39a886ec1388ee7ee1fc04abe79f","source":{"kind":"arxiv","id":"1901.03477","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03477","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03477v3","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03477","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"2TWYSI2LLKQB","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"pith_short_16","alias_value":"2TWYSI2LLKQBHNTS","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"pith_short_8","alias_value":"2TWYSI2L","created_at":"2026-07-05T00:28:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2TWYSI2LLKQBHNTSKO6XW53NFT","target":"record","payload":{"canonical_record":{"source":{"id":"1901.03477","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-11T04:44:42Z","cross_cats_sorted":[],"title_canon_sha256":"b4db8ad6a4a7aca1a8a2e0b8e00438417c4124f932d916ea17f9267343be8a41","abstract_canon_sha256":"35609d3bbb6f1d23fb06266a74a1e4d43b58d559f842fc8474a922935f1b1c3a"},"schema_version":"1.0"},"canonical_sha256":"d4ed89234b5aa013b67253bd7b776d2cc7ba39a886ec1388ee7ee1fc04abe79f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:45.820761Z","signature_b64":"570yijM+Gg0gVPTJ9jd2Vh9ZiMj85SXCp326oiwfjNJ3Eb5uV7rI9jZpk+ubakt9JhirtiosRGh4s4vCGmEKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4ed89234b5aa013b67253bd7b776d2cc7ba39a886ec1388ee7ee1fc04abe79f","last_reissued_at":"2026-07-05T00:28:45.820291Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:45.820291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.03477","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VhcN2C05v1S+vEnr87I/6gpOlr7q0BO/cLdpYqZoQNNK2N8QEZu4pdC2d/Bswi3Xp1VJ1TDD0mivh0BxS3fBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:26:17.100382Z"},"content_sha256":"83bc8c59cd7ef89160e949d690fbb83aa22f2ef32176d1d1f1f549ab18010a89","schema_version":"1.0","event_id":"sha256:83bc8c59cd7ef89160e949d690fbb83aa22f2ef32176d1d1f1f549ab18010a89"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2TWYSI2LLKQBHNTSKO6XW53NFT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The QCD NLO fragmentation functions for $c$ or $\\bar{b}$ quark to $B_c$ or $B_c^*$ meson and their application","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Chao-Hsi Chang, Tai-Fu Feng, Xing-Gang Wu, Xu-Chang Zheng","submitted_at":"2019-01-11T04:44:42Z","abstract_excerpt":"The fragmentation functions for $c$ or $\\bar{b}$ quark to $B_c$ or $B_c^*$ meson are derived up to QCD next-to-leading order (NLO). They are further computed numerically and presented in figures precisely. In order to reach a higher accuracy, we have also tried properly to apply them to estimating the $B_c$ and $B_c^*$ production at a $Z$-factory (an $e^+e^-$ collider running at the energy of the $Z$-boson pole)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03477","kind":"arxiv","version":3},"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/1901.03477/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":"2026-07-05T00:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gV6sc+yeApxm7TaBOJ4MaXrqBaRLV3G5o8bOpbrGRNrvfBPLKo7Pm/AUkXhulczoJlVbY6gnM8r8fI4JWx75Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:26:17.100891Z"},"content_sha256":"d640fe7b6368d2544ec58d78e40bcc0720d6a3ea31acbed38be2b97dd5e520f7","schema_version":"1.0","event_id":"sha256:d640fe7b6368d2544ec58d78e40bcc0720d6a3ea31acbed38be2b97dd5e520f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2TWYSI2LLKQBHNTSKO6XW53NFT/bundle.json","state_url":"https://pith.science/pith/2TWYSI2LLKQBHNTSKO6XW53NFT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2TWYSI2LLKQBHNTSKO6XW53NFT/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":"2026-08-08T20:26:17Z","links":{"resolver":"https://pith.science/pith/2TWYSI2LLKQBHNTSKO6XW53NFT","bundle":"https://pith.science/pith/2TWYSI2LLKQBHNTSKO6XW53NFT/bundle.json","state":"https://pith.science/pith/2TWYSI2LLKQBHNTSKO6XW53NFT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2TWYSI2LLKQBHNTSKO6XW53NFT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2TWYSI2LLKQBHNTSKO6XW53NFT","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":"35609d3bbb6f1d23fb06266a74a1e4d43b58d559f842fc8474a922935f1b1c3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-11T04:44:42Z","title_canon_sha256":"b4db8ad6a4a7aca1a8a2e0b8e00438417c4124f932d916ea17f9267343be8a41"},"schema_version":"1.0","source":{"id":"1901.03477","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.03477","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1901.03477v3","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.03477","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"2TWYSI2LLKQB","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"pith_short_16","alias_value":"2TWYSI2LLKQBHNTS","created_at":"2026-07-05T00:28:45Z"},{"alias_kind":"pith_short_8","alias_value":"2TWYSI2L","created_at":"2026-07-05T00:28:45Z"}],"graph_snapshots":[{"event_id":"sha256:d640fe7b6368d2544ec58d78e40bcc0720d6a3ea31acbed38be2b97dd5e520f7","target":"graph","created_at":"2026-07-05T00:28:45Z","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/1901.03477/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The fragmentation functions for $c$ or $\\bar{b}$ quark to $B_c$ or $B_c^*$ meson are derived up to QCD next-to-leading order (NLO). They are further computed numerically and presented in figures precisely. In order to reach a higher accuracy, we have also tried properly to apply them to estimating the $B_c$ and $B_c^*$ production at a $Z$-factory (an $e^+e^-$ collider running at the energy of the $Z$-boson pole).","authors_text":"Chao-Hsi Chang, Tai-Fu Feng, Xing-Gang Wu, Xu-Chang Zheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-11T04:44:42Z","title":"The QCD NLO fragmentation functions for $c$ or $\\bar{b}$ quark to $B_c$ or $B_c^*$ meson and their application"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.03477","kind":"arxiv","version":3},"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":"sha256:83bc8c59cd7ef89160e949d690fbb83aa22f2ef32176d1d1f1f549ab18010a89","target":"record","created_at":"2026-07-05T00:28:45Z","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":"35609d3bbb6f1d23fb06266a74a1e4d43b58d559f842fc8474a922935f1b1c3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2019-01-11T04:44:42Z","title_canon_sha256":"b4db8ad6a4a7aca1a8a2e0b8e00438417c4124f932d916ea17f9267343be8a41"},"schema_version":"1.0","source":{"id":"1901.03477","kind":"arxiv","version":3}},"canonical_sha256":"d4ed89234b5aa013b67253bd7b776d2cc7ba39a886ec1388ee7ee1fc04abe79f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4ed89234b5aa013b67253bd7b776d2cc7ba39a886ec1388ee7ee1fc04abe79f","first_computed_at":"2026-07-05T00:28:45.820291Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:45.820291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"570yijM+Gg0gVPTJ9jd2Vh9ZiMj85SXCp326oiwfjNJ3Eb5uV7rI9jZpk+ubakt9JhirtiosRGh4s4vCGmEKDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:45.820761Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.03477","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83bc8c59cd7ef89160e949d690fbb83aa22f2ef32176d1d1f1f549ab18010a89","sha256:d640fe7b6368d2544ec58d78e40bcc0720d6a3ea31acbed38be2b97dd5e520f7"],"state_sha256":"7f95cb86f3a9bcfb75aad4286d5296db3ea781fe073ed63aee49679604fcdc14"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U5ztj+hTeGtjJyrSWG0nRp6eulmjnRtugewaWiMV0QKJ+D0/zFUHsiILbPmFsGMFGC6oQNRfkwTzb16hc8kmCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T20:26:17.104927Z","bundle_sha256":"9b2e6f6e6f41d21e1edb014d0dea175ae51236bf84587cd11c67c0cf2d6ef09c"}}