{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NHQGEYZ4IV6O3ACIECRACVELBS","short_pith_number":"pith:NHQGEYZ4","canonical_record":{"source":{"id":"2003.10997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-03-24T17:33:30Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"d802fe827b2f93fc17631879f3ba2c97d097aefb4f28a00f2af7c5be11cd1960","abstract_canon_sha256":"8613d721a5e8f02dee0e0937f088ab40252aa3a34473eba4f9015062911e367f"},"schema_version":"1.0"},"canonical_sha256":"69e062633c457ced804820a201548b0c8128278f5ce0a18cd8bc85500a6420cf","source":{"kind":"arxiv","id":"2003.10997","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.10997","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"arxiv_version","alias_value":"2003.10997v1","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.10997","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"pith_short_12","alias_value":"NHQGEYZ4IV6O","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"pith_short_16","alias_value":"NHQGEYZ4IV6O3ACI","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"pith_short_8","alias_value":"NHQGEYZ4","created_at":"2026-07-05T01:55:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NHQGEYZ4IV6O3ACIECRACVELBS","target":"record","payload":{"canonical_record":{"source":{"id":"2003.10997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-03-24T17:33:30Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"d802fe827b2f93fc17631879f3ba2c97d097aefb4f28a00f2af7c5be11cd1960","abstract_canon_sha256":"8613d721a5e8f02dee0e0937f088ab40252aa3a34473eba4f9015062911e367f"},"schema_version":"1.0"},"canonical_sha256":"69e062633c457ced804820a201548b0c8128278f5ce0a18cd8bc85500a6420cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:55:49.113142Z","signature_b64":"mRp+j9GTFswPY3k7Pv1lTA6fKW2m4OPWJwODem1MYwWere4fTu4Xsx/X0ZA/lNBQUsDPJbQ74a2FXBcfTifqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69e062633c457ced804820a201548b0c8128278f5ce0a18cd8bc85500a6420cf","last_reissued_at":"2026-07-05T01:55:49.112653Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:55:49.112653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2003.10997","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":"2026-07-05T01:55:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x75N4K2OOFmoJtqsn+bP03H8iHV3oXcq/9A7X8BH5lN41h+l2LNnS5yd2+wnaOz4WTdaJHX05uEG0GB2GBA7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T10:26:54.252171Z"},"content_sha256":"2a3a1d64dbbbb2fcc5f6a464c8d6e230ac9acb8cf29e5718531cf44f7a493ce3","schema_version":"1.0","event_id":"sha256:2a3a1d64dbbbb2fcc5f6a464c8d6e230ac9acb8cf29e5718531cf44f7a493ce3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NHQGEYZ4IV6O3ACIECRACVELBS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QCD Challenges from pp to A-A Collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"A. Andronic, A. Mazeliauskas, A. Morsch, A. Nassirpour, A. Ohlson, A. Ortiz, A. Oskarsson, A. Rossi, A. Timmins, A. V. D. Silva, C. Bierlich, C. O. Rasmussen, C. Plumberg, D. D. Chinellato, D. J. Kim, D. Silvermyr, D. V. Perepelitsa, G. Gustafson, G. Pai\\'c, H. van Hees, I. Otterlund, J. Adolfsson, K. Zapp, L. L\\\"onnblad, M. Mace, M. Utheim, O. Matonoha, O. V. Rueda, P. Bozek, P. Christiansen, P. M. Jacobs, R. J. Fries, R. Preghenella, R. Rapp, R. T\\\"ornkvist, S. Chakraborty, T. Sj\\\"ostrand, U. A. Wiedemann, V. Vislavicius, W. Zhao","submitted_at":"2020-03-24T17:33:30Z","abstract_excerpt":"This paper is a write-up of the ideas that were presented, developed and discussed at the third International Workshop on QCD Challenges from pp to A-A, which took place in August 2019 in Lund, Sweden. The goal of the workshop was to focus on some of the open questions in the field and try to come up with concrete suggestions for how to make progress on both the experimental and theoretical sides. The paper gives a brief introduction to each topic and then summarizes the primary results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.10997","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/2003.10997/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":"2026-07-05T01:55:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L/DfDvMTDSSUu4aV+xuoWW7KOtzflRLS/9Pn/bqc1GwNLNddwrDpY95UqNTX0CbN2CT8RRoyuV8SRBDFBsq4Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T10:26:54.252569Z"},"content_sha256":"b5c617983909654024faf4879fa67a64c0e61dd83ab904dfa8f0411fbb6f2f05","schema_version":"1.0","event_id":"sha256:b5c617983909654024faf4879fa67a64c0e61dd83ab904dfa8f0411fbb6f2f05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NHQGEYZ4IV6O3ACIECRACVELBS/bundle.json","state_url":"https://pith.science/pith/NHQGEYZ4IV6O3ACIECRACVELBS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NHQGEYZ4IV6O3ACIECRACVELBS/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":"2026-07-18T10:26:54Z","links":{"resolver":"https://pith.science/pith/NHQGEYZ4IV6O3ACIECRACVELBS","bundle":"https://pith.science/pith/NHQGEYZ4IV6O3ACIECRACVELBS/bundle.json","state":"https://pith.science/pith/NHQGEYZ4IV6O3ACIECRACVELBS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NHQGEYZ4IV6O3ACIECRACVELBS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NHQGEYZ4IV6O3ACIECRACVELBS","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":"8613d721a5e8f02dee0e0937f088ab40252aa3a34473eba4f9015062911e367f","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-03-24T17:33:30Z","title_canon_sha256":"d802fe827b2f93fc17631879f3ba2c97d097aefb4f28a00f2af7c5be11cd1960"},"schema_version":"1.0","source":{"id":"2003.10997","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2003.10997","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"arxiv_version","alias_value":"2003.10997v1","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.10997","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"pith_short_12","alias_value":"NHQGEYZ4IV6O","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"pith_short_16","alias_value":"NHQGEYZ4IV6O3ACI","created_at":"2026-07-05T01:55:49Z"},{"alias_kind":"pith_short_8","alias_value":"NHQGEYZ4","created_at":"2026-07-05T01:55:49Z"}],"graph_snapshots":[{"event_id":"sha256:b5c617983909654024faf4879fa67a64c0e61dd83ab904dfa8f0411fbb6f2f05","target":"graph","created_at":"2026-07-05T01:55:49Z","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/2003.10997/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper is a write-up of the ideas that were presented, developed and discussed at the third International Workshop on QCD Challenges from pp to A-A, which took place in August 2019 in Lund, Sweden. The goal of the workshop was to focus on some of the open questions in the field and try to come up with concrete suggestions for how to make progress on both the experimental and theoretical sides. The paper gives a brief introduction to each topic and then summarizes the primary results.","authors_text":"A. Andronic, A. Mazeliauskas, A. Morsch, A. Nassirpour, A. Ohlson, A. Ortiz, A. Oskarsson, A. Rossi, A. Timmins, A. V. D. Silva, C. Bierlich, C. O. Rasmussen, C. Plumberg, D. D. Chinellato, D. J. Kim, D. Silvermyr, D. V. Perepelitsa, G. Gustafson, G. Pai\\'c, H. van Hees, I. Otterlund, J. Adolfsson, K. Zapp, L. L\\\"onnblad, M. Mace, M. Utheim, O. Matonoha, O. V. Rueda, P. Bozek, P. Christiansen, P. M. Jacobs, R. J. Fries, R. Preghenella, R. Rapp, R. T\\\"ornkvist, S. Chakraborty, T. Sj\\\"ostrand, U. A. Wiedemann, V. Vislavicius, W. Zhao","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-03-24T17:33:30Z","title":"QCD Challenges from pp to A-A Collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.10997","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":"sha256:2a3a1d64dbbbb2fcc5f6a464c8d6e230ac9acb8cf29e5718531cf44f7a493ce3","target":"record","created_at":"2026-07-05T01:55:49Z","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":"8613d721a5e8f02dee0e0937f088ab40252aa3a34473eba4f9015062911e367f","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2020-03-24T17:33:30Z","title_canon_sha256":"d802fe827b2f93fc17631879f3ba2c97d097aefb4f28a00f2af7c5be11cd1960"},"schema_version":"1.0","source":{"id":"2003.10997","kind":"arxiv","version":1}},"canonical_sha256":"69e062633c457ced804820a201548b0c8128278f5ce0a18cd8bc85500a6420cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69e062633c457ced804820a201548b0c8128278f5ce0a18cd8bc85500a6420cf","first_computed_at":"2026-07-05T01:55:49.112653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:55:49.112653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mRp+j9GTFswPY3k7Pv1lTA6fKW2m4OPWJwODem1MYwWere4fTu4Xsx/X0ZA/lNBQUsDPJbQ74a2FXBcfTifqCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:55:49.113142Z","signed_message":"canonical_sha256_bytes"},"source_id":"2003.10997","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2a3a1d64dbbbb2fcc5f6a464c8d6e230ac9acb8cf29e5718531cf44f7a493ce3","sha256:b5c617983909654024faf4879fa67a64c0e61dd83ab904dfa8f0411fbb6f2f05"],"state_sha256":"797ff8785570748204148297fb47d5ac1d5c3a017839962d9f1eb68b8674668b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3ppTSE8gFtZmU06KgBpdepP3Ua6mnWDVL+6OugGAaX4yL7L1fbmGapivPSPg4oarpUa0KcrhflGpUzZ5Z6B3Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T10:26:54.254844Z","bundle_sha256":"c8c659b92a6b3ee2282f19e17e4795670ef980bcb30fcafd6091c868898d218d"}}