{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:XBBBWBA6KFTXVI7VSTJJSTGTMR","short_pith_number":"pith:XBBBWBA6","canonical_record":{"source":{"id":"1512.03863","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-12T02:04:02Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"779c95b19a66df89672094685502188bfb9d5e3d633bf8fe75b644c1617aed88","abstract_canon_sha256":"7d4146df6ab6539a8d87872fc5ccb62fc5d70b63357943d74769369196e0882f"},"schema_version":"1.0"},"canonical_sha256":"b8421b041e51677aa3f594d2994cd364610ec350b5bf8aa81f3b283e2b0f33a0","source":{"kind":"arxiv","id":"1512.03863","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03863","created_at":"2026-05-18T01:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03863v3","created_at":"2026-05-18T01:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03863","created_at":"2026-05-18T01:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"XBBBWBA6KFTX","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XBBBWBA6KFTXVI7V","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XBBBWBA6","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:XBBBWBA6KFTXVI7VSTJJSTGTMR","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03863","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-12T02:04:02Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"779c95b19a66df89672094685502188bfb9d5e3d633bf8fe75b644c1617aed88","abstract_canon_sha256":"7d4146df6ab6539a8d87872fc5ccb62fc5d70b63357943d74769369196e0882f"},"schema_version":"1.0"},"canonical_sha256":"b8421b041e51677aa3f594d2994cd364610ec350b5bf8aa81f3b283e2b0f33a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:51.749504Z","signature_b64":"ZwcoGI6fHsPC9KtWj8lSOdqP1Bg8rskUkp00tWh+OqU5RV+R0Ok7ZOa1nTSf1M1t6RlceAkPSz2dOgMJPwJLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8421b041e51677aa3f594d2994cd364610ec350b5bf8aa81f3b283e2b0f33a0","last_reissued_at":"2026-05-18T01:15:51.749088Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:51.749088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03863","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":"2026-05-18T01:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a6cJaq5zRsVC5H0mGM4vH/5TpZu+I2QeP0L4fbQcATquoPFS5JeoR+PdqgWfdbGSGWoRmD3PdTHCXwW3ThyoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:02:37.851621Z"},"content_sha256":"3b3941037e20457964eff1cfd593096fca732310ccccd32731940ebffd9fe244","schema_version":"1.0","event_id":"sha256:3b3941037e20457964eff1cfd593096fca732310ccccd32731940ebffd9fe244"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:XBBBWBA6KFTXVI7VSTJJSTGTMR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gluonic Structure of the Constituent Quark","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Baiyang Zhang, Hee-Jung Lee, Nikolai Kochelev, Pengming Zhang","submitted_at":"2015-12-12T02:04:02Z","abstract_excerpt":"Based on both the constituent quark picture and the instanton model for QCD vacuum, we calculate the unpolarized and polarized gluon distributions in the constituent quark and in the nucleon. Our approach consists of the two main steps. At the first step, we calculate the gluon distributions inside the constituent quark generated by the perturbative quark-gluon interaction, the non-perturbative quark-gluon interaction, and the non-perturbative quark-gluon-pion anomalous chromomagnetic interaction. The non-perturbative interactions are related to the existence of the instantons, strong topologi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03863","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":""},"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":"2026-05-18T01:15:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7UZuXuO6suj3R29PQrQ/7lm5nj4nZzYUSH+EkiK9jrCJl2ess8QdszbgXmKuHxBHU9Fe9gkzVJCceQd3t8VLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T20:02:37.852028Z"},"content_sha256":"868a171bdb1d1c575a0e20e53545532fa0b166a93b6f4f2a29923908ad5cb568","schema_version":"1.0","event_id":"sha256:868a171bdb1d1c575a0e20e53545532fa0b166a93b6f4f2a29923908ad5cb568"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR/bundle.json","state_url":"https://pith.science/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR/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":"2026-06-07T20:02:37Z","links":{"resolver":"https://pith.science/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR","bundle":"https://pith.science/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR/bundle.json","state":"https://pith.science/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XBBBWBA6KFTXVI7VSTJJSTGTMR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XBBBWBA6KFTXVI7VSTJJSTGTMR","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":"7d4146df6ab6539a8d87872fc5ccb62fc5d70b63357943d74769369196e0882f","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-12T02:04:02Z","title_canon_sha256":"779c95b19a66df89672094685502188bfb9d5e3d633bf8fe75b644c1617aed88"},"schema_version":"1.0","source":{"id":"1512.03863","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03863","created_at":"2026-05-18T01:15:51Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03863v3","created_at":"2026-05-18T01:15:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03863","created_at":"2026-05-18T01:15:51Z"},{"alias_kind":"pith_short_12","alias_value":"XBBBWBA6KFTX","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XBBBWBA6KFTXVI7V","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XBBBWBA6","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:868a171bdb1d1c575a0e20e53545532fa0b166a93b6f4f2a29923908ad5cb568","target":"graph","created_at":"2026-05-18T01:15:51Z","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":"Based on both the constituent quark picture and the instanton model for QCD vacuum, we calculate the unpolarized and polarized gluon distributions in the constituent quark and in the nucleon. Our approach consists of the two main steps. At the first step, we calculate the gluon distributions inside the constituent quark generated by the perturbative quark-gluon interaction, the non-perturbative quark-gluon interaction, and the non-perturbative quark-gluon-pion anomalous chromomagnetic interaction. The non-perturbative interactions are related to the existence of the instantons, strong topologi","authors_text":"Baiyang Zhang, Hee-Jung Lee, Nikolai Kochelev, Pengming Zhang","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-12T02:04:02Z","title":"Gluonic Structure of the Constituent Quark"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03863","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":"sha256:3b3941037e20457964eff1cfd593096fca732310ccccd32731940ebffd9fe244","target":"record","created_at":"2026-05-18T01:15:51Z","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":"7d4146df6ab6539a8d87872fc5ccb62fc5d70b63357943d74769369196e0882f","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2015-12-12T02:04:02Z","title_canon_sha256":"779c95b19a66df89672094685502188bfb9d5e3d633bf8fe75b644c1617aed88"},"schema_version":"1.0","source":{"id":"1512.03863","kind":"arxiv","version":3}},"canonical_sha256":"b8421b041e51677aa3f594d2994cd364610ec350b5bf8aa81f3b283e2b0f33a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8421b041e51677aa3f594d2994cd364610ec350b5bf8aa81f3b283e2b0f33a0","first_computed_at":"2026-05-18T01:15:51.749088Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:51.749088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZwcoGI6fHsPC9KtWj8lSOdqP1Bg8rskUkp00tWh+OqU5RV+R0Ok7ZOa1nTSf1M1t6RlceAkPSz2dOgMJPwJLCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:51.749504Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03863","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b3941037e20457964eff1cfd593096fca732310ccccd32731940ebffd9fe244","sha256:868a171bdb1d1c575a0e20e53545532fa0b166a93b6f4f2a29923908ad5cb568"],"state_sha256":"8f34b93254414282f3532414f1fa10e794fc7730982921ef369a0954b82746e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4xp1/vaVF4IrmAFF+F/JTuRAkMzI04UMJXsQ5Qo/5VC93B2YIis2YlHWOb8x4k6CW9iGrfLWvvN7rHclRsu1BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T20:02:37.855305Z","bundle_sha256":"d179bb636fae4f25618896d6e7399130c4ebc42df89a5e760984d9fd1b1bed4d"}}