{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:R3ZVKZM3LT4SL3WMJMPKSHAQ2C","short_pith_number":"pith:R3ZVKZM3","canonical_record":{"source":{"id":"2210.16532","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2022-10-29T08:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"de2e478f042b314e81cf6e6ef0ce5bc18985b17f0684b2172ae7755bd3ee0225","abstract_canon_sha256":"47c1ca0424f0b19ed3779b52a3c70566f81b95eaa0fb1af72194e5079a416350"},"schema_version":"1.0"},"canonical_sha256":"8ef355659b5cf925eecc4b1ea91c10d089fdf539378b36c891ff6fc6d5be1ceb","source":{"kind":"arxiv","id":"2210.16532","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.16532","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"arxiv_version","alias_value":"2210.16532v1","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.16532","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_12","alias_value":"R3ZVKZM3LT4S","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_16","alias_value":"R3ZVKZM3LT4SL3WM","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_8","alias_value":"R3ZVKZM3","created_at":"2026-07-05T06:20:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:R3ZVKZM3LT4SL3WMJMPKSHAQ2C","target":"record","payload":{"canonical_record":{"source":{"id":"2210.16532","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2022-10-29T08:45:58Z","cross_cats_sorted":[],"title_canon_sha256":"de2e478f042b314e81cf6e6ef0ce5bc18985b17f0684b2172ae7755bd3ee0225","abstract_canon_sha256":"47c1ca0424f0b19ed3779b52a3c70566f81b95eaa0fb1af72194e5079a416350"},"schema_version":"1.0"},"canonical_sha256":"8ef355659b5cf925eecc4b1ea91c10d089fdf539378b36c891ff6fc6d5be1ceb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:20:20.819979Z","signature_b64":"sbFMpOke1iN4bo9lYoSN5Mll+v6Ay/h9OmSa/suGVzXjEpMpvz4uisoxJDqiqMenBuyQzFAbxxV9UfVy9ziTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ef355659b5cf925eecc4b1ea91c10d089fdf539378b36c891ff6fc6d5be1ceb","last_reissued_at":"2026-07-05T06:20:20.819548Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:20:20.819548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.16532","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":"2026-07-05T06:20:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uYXn/ts1Jb2ioaFNuIAQQMzaNEspQv1VR3kEH7f5aUbwzJJA01v7himKWAZ5GzaTduMoxmjO82k/s4FuboQHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:39:55.973893Z"},"content_sha256":"f2a999290095fbb2b3becc935d3a001cb31bad26e96f03a02780e4798e37a545","schema_version":"1.0","event_id":"sha256:f2a999290095fbb2b3becc935d3a001cb31bad26e96f03a02780e4798e37a545"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:R3ZVKZM3LT4SL3WMJMPKSHAQ2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"T-even transverse momentum dependent gluon fragmentation functions in a spectator model","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Xiupeng Xie, Zhun Lu","submitted_at":"2022-10-29T08:45:58Z","abstract_excerpt":"We present a model calculation of transverse momentum dependent (TMD) gluon fragmentation functions for the spin-1/2 and spin-0 hadrons. The model is based on the assumption that a time-like off-shell gluon can fragments into a hadron and a single spectator particle. So far such spectator models have only been used to calculate the TMD distribution functions of quark and gluons. The gluon-hadron-spectator coupling is described by an effective vertex containing two form factors. We obtain the analytic expressions for the four T-even TMD fragmentation functions of the gluon. We also present the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.16532","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/2210.16532/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":"2026-07-05T06:20:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oLWModTUIZGvBgacxrt4oZ0AqXHe7n6VUYrtLKqkt+g9/AedUOlZDYBKOrlFofY9krVFBqJGW+Ji/89mQF4wDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:39:55.974263Z"},"content_sha256":"f9b2f8e084cc3b0a56067d4fadc5fcf501a8a16bbbf4591bc4f9e5955a8a6283","schema_version":"1.0","event_id":"sha256:f9b2f8e084cc3b0a56067d4fadc5fcf501a8a16bbbf4591bc4f9e5955a8a6283"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C/bundle.json","state_url":"https://pith.science/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C/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":"2026-08-13T10:39:55Z","links":{"resolver":"https://pith.science/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C","bundle":"https://pith.science/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C/bundle.json","state":"https://pith.science/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R3ZVKZM3LT4SL3WMJMPKSHAQ2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:R3ZVKZM3LT4SL3WMJMPKSHAQ2C","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":"47c1ca0424f0b19ed3779b52a3c70566f81b95eaa0fb1af72194e5079a416350","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2022-10-29T08:45:58Z","title_canon_sha256":"de2e478f042b314e81cf6e6ef0ce5bc18985b17f0684b2172ae7755bd3ee0225"},"schema_version":"1.0","source":{"id":"2210.16532","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.16532","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"arxiv_version","alias_value":"2210.16532v1","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.16532","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_12","alias_value":"R3ZVKZM3LT4S","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_16","alias_value":"R3ZVKZM3LT4SL3WM","created_at":"2026-07-05T06:20:20Z"},{"alias_kind":"pith_short_8","alias_value":"R3ZVKZM3","created_at":"2026-07-05T06:20:20Z"}],"graph_snapshots":[{"event_id":"sha256:f9b2f8e084cc3b0a56067d4fadc5fcf501a8a16bbbf4591bc4f9e5955a8a6283","target":"graph","created_at":"2026-07-05T06:20:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2210.16532/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a model calculation of transverse momentum dependent (TMD) gluon fragmentation functions for the spin-1/2 and spin-0 hadrons. The model is based on the assumption that a time-like off-shell gluon can fragments into a hadron and a single spectator particle. So far such spectator models have only been used to calculate the TMD distribution functions of quark and gluons. The gluon-hadron-spectator coupling is described by an effective vertex containing two form factors. We obtain the analytic expressions for the four T-even TMD fragmentation functions of the gluon. We also present the ","authors_text":"Xiupeng Xie, Zhun Lu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2022-10-29T08:45:58Z","title":"T-even transverse momentum dependent gluon fragmentation functions in a spectator model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.16532","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:f2a999290095fbb2b3becc935d3a001cb31bad26e96f03a02780e4798e37a545","target":"record","created_at":"2026-07-05T06:20:20Z","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":"47c1ca0424f0b19ed3779b52a3c70566f81b95eaa0fb1af72194e5079a416350","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"hep-ph","submitted_at":"2022-10-29T08:45:58Z","title_canon_sha256":"de2e478f042b314e81cf6e6ef0ce5bc18985b17f0684b2172ae7755bd3ee0225"},"schema_version":"1.0","source":{"id":"2210.16532","kind":"arxiv","version":1}},"canonical_sha256":"8ef355659b5cf925eecc4b1ea91c10d089fdf539378b36c891ff6fc6d5be1ceb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ef355659b5cf925eecc4b1ea91c10d089fdf539378b36c891ff6fc6d5be1ceb","first_computed_at":"2026-07-05T06:20:20.819548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:20:20.819548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sbFMpOke1iN4bo9lYoSN5Mll+v6Ay/h9OmSa/suGVzXjEpMpvz4uisoxJDqiqMenBuyQzFAbxxV9UfVy9ziTAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:20:20.819979Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.16532","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f2a999290095fbb2b3becc935d3a001cb31bad26e96f03a02780e4798e37a545","sha256:f9b2f8e084cc3b0a56067d4fadc5fcf501a8a16bbbf4591bc4f9e5955a8a6283"],"state_sha256":"b0e3fbeff19e6bca3d164706b75e72497871f10237944135e3aac27b002fe654"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DIkEhEvxXiYY4OqH/Eq2tt/QSQhJcwGDXm1HKZTMO5Krkp+lgZXpqLHivqbqmqjVKcPlGJOzT9kq1AbjoP16CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T10:39:55.977290Z","bundle_sha256":"a4a84ddc4348fb71d6fad64fbbb49ff55d7e06054741126809152ee81109fd08"}}