{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CW4CXJWJEZ7ZAQ3SY2DUUY4UKY","short_pith_number":"pith:CW4CXJWJ","canonical_record":{"source":{"id":"1512.05196","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-16T15:00:33Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a59dbbe7083a750be0dfc44f5ab4101438bfbbcfcf174672967d125a11a07eda","abstract_canon_sha256":"24e82d7ee715b7567875e5763f0d3488ff885868ca2e3db3430d78526c1e4711"},"schema_version":"1.0"},"canonical_sha256":"15b82ba6c9267f904372c6874a6394560e743496098a1510013ea05ced154b3b","source":{"kind":"arxiv","id":"1512.05196","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05196","created_at":"2026-05-18T01:24:13Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05196v1","created_at":"2026-05-18T01:24:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05196","created_at":"2026-05-18T01:24:13Z"},{"alias_kind":"pith_short_12","alias_value":"CW4CXJWJEZ7Z","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CW4CXJWJEZ7ZAQ3S","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CW4CXJWJ","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CW4CXJWJEZ7ZAQ3SY2DUUY4UKY","target":"record","payload":{"canonical_record":{"source":{"id":"1512.05196","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-16T15:00:33Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"a59dbbe7083a750be0dfc44f5ab4101438bfbbcfcf174672967d125a11a07eda","abstract_canon_sha256":"24e82d7ee715b7567875e5763f0d3488ff885868ca2e3db3430d78526c1e4711"},"schema_version":"1.0"},"canonical_sha256":"15b82ba6c9267f904372c6874a6394560e743496098a1510013ea05ced154b3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:13.296866Z","signature_b64":"Scb6deSgD4OZjmFD5RUClIftte7Y8JDweNrUojp+eBaQc4xdPOx556OfK8k1ddrapYgA6k7TOR4OTZXOo7ytAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15b82ba6c9267f904372c6874a6394560e743496098a1510013ea05ced154b3b","last_reissued_at":"2026-05-18T01:24:13.296496Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:13.296496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.05196","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":"2026-05-18T01:24:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tt/MnTrnAqv63vaXbxBEULk3BC6L5nZSAv2p9KzaD93a/22qaFFnsisv2CRrZBT4Bx9zZoWDKTC8RA7gj9s/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T05:04:31.938163Z"},"content_sha256":"eb589cd57b005e7fca3b925337034cfb5cc4a8315da38508a79bf333dd3fd621","schema_version":"1.0","event_id":"sha256:eb589cd57b005e7fca3b925337034cfb5cc4a8315da38508a79bf333dd3fd621"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CW4CXJWJEZ7ZAQ3SY2DUUY4UKY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The sensitivity of R_pA to color recombination effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Guilherme Milhano, Korinna Christina Zapp, Urs Achim Wiedemann","submitted_at":"2015-12-16T15:00:33Z","abstract_excerpt":"In hadronization models with color recombination, partons are allowed to regroup into color singlet structures that are different from those determined by the perturbative parton shower. This aims at modeling the possibility that soft interactions of partons with the underlying event can change color connections. If such an effect is at play in proton-proton collisions, it may be expected to be enhanced in proton-nucleus collisions due to the higher color charge density in the underlying event. Here, we provide a qualitative argument that color recombination effects could lead to a multiplicit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05196","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":""},"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":"2026-05-18T01:24:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rrLQDf5gQd8I97Bpbt+X9kU4R3lERN2yUva0aP6b5qbjRW6uLPwVq4W8KC6oEEE61ufIttIC+gKUIL8MKLmhDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T05:04:31.938519Z"},"content_sha256":"56ca544bfb61e90d2d7e70dd9432384d5682755d18d69ee39d4d3765ddfbe571","schema_version":"1.0","event_id":"sha256:56ca544bfb61e90d2d7e70dd9432384d5682755d18d69ee39d4d3765ddfbe571"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY/bundle.json","state_url":"https://pith.science/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY/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":"2026-06-28T05:04:31Z","links":{"resolver":"https://pith.science/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY","bundle":"https://pith.science/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY/bundle.json","state":"https://pith.science/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CW4CXJWJEZ7ZAQ3SY2DUUY4UKY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CW4CXJWJEZ7ZAQ3SY2DUUY4UKY","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":"24e82d7ee715b7567875e5763f0d3488ff885868ca2e3db3430d78526c1e4711","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-16T15:00:33Z","title_canon_sha256":"a59dbbe7083a750be0dfc44f5ab4101438bfbbcfcf174672967d125a11a07eda"},"schema_version":"1.0","source":{"id":"1512.05196","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05196","created_at":"2026-05-18T01:24:13Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05196v1","created_at":"2026-05-18T01:24:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05196","created_at":"2026-05-18T01:24:13Z"},{"alias_kind":"pith_short_12","alias_value":"CW4CXJWJEZ7Z","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CW4CXJWJEZ7ZAQ3S","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CW4CXJWJ","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:56ca544bfb61e90d2d7e70dd9432384d5682755d18d69ee39d4d3765ddfbe571","target":"graph","created_at":"2026-05-18T01:24:13Z","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":"In hadronization models with color recombination, partons are allowed to regroup into color singlet structures that are different from those determined by the perturbative parton shower. This aims at modeling the possibility that soft interactions of partons with the underlying event can change color connections. If such an effect is at play in proton-proton collisions, it may be expected to be enhanced in proton-nucleus collisions due to the higher color charge density in the underlying event. Here, we provide a qualitative argument that color recombination effects could lead to a multiplicit","authors_text":"Guilherme Milhano, Korinna Christina Zapp, Urs Achim Wiedemann","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-16T15:00:33Z","title":"The sensitivity of R_pA to color recombination effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05196","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:eb589cd57b005e7fca3b925337034cfb5cc4a8315da38508a79bf333dd3fd621","target":"record","created_at":"2026-05-18T01:24:13Z","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":"24e82d7ee715b7567875e5763f0d3488ff885868ca2e3db3430d78526c1e4711","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-12-16T15:00:33Z","title_canon_sha256":"a59dbbe7083a750be0dfc44f5ab4101438bfbbcfcf174672967d125a11a07eda"},"schema_version":"1.0","source":{"id":"1512.05196","kind":"arxiv","version":1}},"canonical_sha256":"15b82ba6c9267f904372c6874a6394560e743496098a1510013ea05ced154b3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15b82ba6c9267f904372c6874a6394560e743496098a1510013ea05ced154b3b","first_computed_at":"2026-05-18T01:24:13.296496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:13.296496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Scb6deSgD4OZjmFD5RUClIftte7Y8JDweNrUojp+eBaQc4xdPOx556OfK8k1ddrapYgA6k7TOR4OTZXOo7ytAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:13.296866Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05196","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb589cd57b005e7fca3b925337034cfb5cc4a8315da38508a79bf333dd3fd621","sha256:56ca544bfb61e90d2d7e70dd9432384d5682755d18d69ee39d4d3765ddfbe571"],"state_sha256":"ad1f3a706c8b7f03917637094271614eb6265978da945d7b81a036606316e80d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LzN12WcDHM+1/+If+M5FvduiMNKyP9G3mEOwlvXroD6KN2lMUT1+JoEn1cW5b5wEOj1y3CGrB33S4UKbZf/9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T05:04:31.940373Z","bundle_sha256":"ce146536fdb832195b09d2821944e6e1d91f8945e07391329b05837c577464cf"}}