{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:TI65C72FTVPXXLSTJYDW5FJKRJ","short_pith_number":"pith:TI65C72F","canonical_record":{"source":{"id":"0907.4801","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-27T23:47:06Z","cross_cats_sorted":[],"title_canon_sha256":"05f70b88bdcc04c263c520f0cffc37336f2308a4dfc9a1e7b04c18a1ebc7bcaa","abstract_canon_sha256":"195e8e043eaa65a4fcb84321720f58cadf6827d6128e6f132126a1c08f5910fd"},"schema_version":"1.0"},"canonical_sha256":"9a3dd17f459d5f7bae534e076e952a8a444a03e47d9c7aba80c05161767ffeb1","source":{"kind":"arxiv","id":"0907.4801","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.4801","created_at":"2026-05-18T02:34:38Z"},{"alias_kind":"arxiv_version","alias_value":"0907.4801v2","created_at":"2026-05-18T02:34:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.4801","created_at":"2026-05-18T02:34:38Z"},{"alias_kind":"pith_short_12","alias_value":"TI65C72FTVPX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"TI65C72FTVPXXLST","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"TI65C72F","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:TI65C72FTVPXXLSTJYDW5FJKRJ","target":"record","payload":{"canonical_record":{"source":{"id":"0907.4801","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-27T23:47:06Z","cross_cats_sorted":[],"title_canon_sha256":"05f70b88bdcc04c263c520f0cffc37336f2308a4dfc9a1e7b04c18a1ebc7bcaa","abstract_canon_sha256":"195e8e043eaa65a4fcb84321720f58cadf6827d6128e6f132126a1c08f5910fd"},"schema_version":"1.0"},"canonical_sha256":"9a3dd17f459d5f7bae534e076e952a8a444a03e47d9c7aba80c05161767ffeb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:38.367354Z","signature_b64":"Mni4qNE9Y0GeCD2VApqVyGSomOenXKzGnBeYdyA1VOWB9lqiKkx9M88WSS2XuW4yIuTiXOMBvEpEI6L8LmjOAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a3dd17f459d5f7bae534e076e952a8a444a03e47d9c7aba80c05161767ffeb1","last_reissued_at":"2026-05-18T02:34:38.366663Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:38.366663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.4801","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":"2026-05-18T02:34:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X4myNugLiqbc6bi+TeHqpbwuDH74dH7XKEWzgHg4rK+kt6q67c/ZM3aqq1mTPdo5SeN8t3y/qlrBbtedez3aDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:24:48.192441Z"},"content_sha256":"4d10c3fd2b76d5f558bf7755e686fd884a077411953f472b8b78c793b2f04162","schema_version":"1.0","event_id":"sha256:4d10c3fd2b76d5f558bf7755e686fd884a077411953f472b8b78c793b2f04162"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:TI65C72FTVPXXLSTJYDW5FJKRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quarkonium plus prompt-photon associated hadroproduction and nuclear shadowing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"C. Brenner Mariotto, M.V.T. Machado","submitted_at":"2009-07-27T23:47:06Z","abstract_excerpt":"The quarkonium hadroproduction in association with a photon at high energies provides a probe of the dynamics of the strong interactions as it is dependent on the nuclear gluon distribution. Therefore, it could be used to constrain the behavior of the nuclear gluon distribution in proton-nucleus and nucleus-nucleus collisions. Such processes are useful to single out the magnitude of the shadowing/antishadowing effects in the nuclear parton densities. In this work we investigate the influence of nuclear effects in the production of JPsi + photon and Upsilon + photon and estimate the transverse "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.4801","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":"2026-05-18T02:34:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gSc5vJnIzdG3Ndb33fLdlayGnH8bUNPkTyxRlhv+VwEgmLUbqOZBHENcAWpxi6v1I5bNWeeqiPaDApYVi8+lDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T12:24:48.192798Z"},"content_sha256":"696a9fcfdcbf99fbad0930feaabc75b38bf1b210b49c545e76c802f8ea648533","schema_version":"1.0","event_id":"sha256:696a9fcfdcbf99fbad0930feaabc75b38bf1b210b49c545e76c802f8ea648533"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TI65C72FTVPXXLSTJYDW5FJKRJ/bundle.json","state_url":"https://pith.science/pith/TI65C72FTVPXXLSTJYDW5FJKRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TI65C72FTVPXXLSTJYDW5FJKRJ/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":"2026-06-03T12:24:48Z","links":{"resolver":"https://pith.science/pith/TI65C72FTVPXXLSTJYDW5FJKRJ","bundle":"https://pith.science/pith/TI65C72FTVPXXLSTJYDW5FJKRJ/bundle.json","state":"https://pith.science/pith/TI65C72FTVPXXLSTJYDW5FJKRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TI65C72FTVPXXLSTJYDW5FJKRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:TI65C72FTVPXXLSTJYDW5FJKRJ","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":"195e8e043eaa65a4fcb84321720f58cadf6827d6128e6f132126a1c08f5910fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-27T23:47:06Z","title_canon_sha256":"05f70b88bdcc04c263c520f0cffc37336f2308a4dfc9a1e7b04c18a1ebc7bcaa"},"schema_version":"1.0","source":{"id":"0907.4801","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.4801","created_at":"2026-05-18T02:34:38Z"},{"alias_kind":"arxiv_version","alias_value":"0907.4801v2","created_at":"2026-05-18T02:34:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.4801","created_at":"2026-05-18T02:34:38Z"},{"alias_kind":"pith_short_12","alias_value":"TI65C72FTVPX","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"TI65C72FTVPXXLST","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"TI65C72F","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:696a9fcfdcbf99fbad0930feaabc75b38bf1b210b49c545e76c802f8ea648533","target":"graph","created_at":"2026-05-18T02:34:38Z","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":"The quarkonium hadroproduction in association with a photon at high energies provides a probe of the dynamics of the strong interactions as it is dependent on the nuclear gluon distribution. Therefore, it could be used to constrain the behavior of the nuclear gluon distribution in proton-nucleus and nucleus-nucleus collisions. Such processes are useful to single out the magnitude of the shadowing/antishadowing effects in the nuclear parton densities. In this work we investigate the influence of nuclear effects in the production of JPsi + photon and Upsilon + photon and estimate the transverse ","authors_text":"C. Brenner Mariotto, M.V.T. Machado","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-27T23:47:06Z","title":"Quarkonium plus prompt-photon associated hadroproduction and nuclear shadowing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.4801","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":"sha256:4d10c3fd2b76d5f558bf7755e686fd884a077411953f472b8b78c793b2f04162","target":"record","created_at":"2026-05-18T02:34:38Z","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":"195e8e043eaa65a4fcb84321720f58cadf6827d6128e6f132126a1c08f5910fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-07-27T23:47:06Z","title_canon_sha256":"05f70b88bdcc04c263c520f0cffc37336f2308a4dfc9a1e7b04c18a1ebc7bcaa"},"schema_version":"1.0","source":{"id":"0907.4801","kind":"arxiv","version":2}},"canonical_sha256":"9a3dd17f459d5f7bae534e076e952a8a444a03e47d9c7aba80c05161767ffeb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a3dd17f459d5f7bae534e076e952a8a444a03e47d9c7aba80c05161767ffeb1","first_computed_at":"2026-05-18T02:34:38.366663Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:38.366663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Mni4qNE9Y0GeCD2VApqVyGSomOenXKzGnBeYdyA1VOWB9lqiKkx9M88WSS2XuW4yIuTiXOMBvEpEI6L8LmjOAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:38.367354Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.4801","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d10c3fd2b76d5f558bf7755e686fd884a077411953f472b8b78c793b2f04162","sha256:696a9fcfdcbf99fbad0930feaabc75b38bf1b210b49c545e76c802f8ea648533"],"state_sha256":"6af91b9bdaee3cb15a91d09cfb97edb71d90dbb39875a860560280691a6ec7f9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"93zoMCnN+mcy1N6eI5gDg62TZRBdWUTFR+d8Wgyb+atGCGPfAxFjCokHEyg+9ZRX9BarlzvzRLg6aiAdF//mAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T12:24:48.194818Z","bundle_sha256":"bf277668c73b72aff75125edd2b2ac051eafe102edd6ae5b5420a574e0b32375"}}