{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ADQ2ON4W63EOTRLZUISJS5ESHA","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":"bdeebf7a2e0d7b83d960019f96f68c4e4de8caa64317c93985efff74f8d9b3bb","cross_cats_sorted":["physics.ins-det"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ex","submitted_at":"2021-01-31T12:44:44Z","title_canon_sha256":"899fbf126a4565aba493a3e610799f2ec306089682b344ef1317610e43ba52e1"},"schema_version":"1.0","source":{"id":"2102.00442","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.00442","created_at":"2026-07-05T03:53:46Z"},{"alias_kind":"arxiv_version","alias_value":"2102.00442v3","created_at":"2026-07-05T03:53:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.00442","created_at":"2026-07-05T03:53:46Z"},{"alias_kind":"pith_short_12","alias_value":"ADQ2ON4W63EO","created_at":"2026-07-05T03:53:46Z"},{"alias_kind":"pith_short_16","alias_value":"ADQ2ON4W63EOTRLZ","created_at":"2026-07-05T03:53:46Z"},{"alias_kind":"pith_short_8","alias_value":"ADQ2ON4W","created_at":"2026-07-05T03:53:46Z"}],"graph_snapshots":[{"event_id":"sha256:51c6b2cb352d9353eac0361d18cdb177767bfe11768c56c17d8e9416f02e1c49","target":"graph","created_at":"2026-07-05T03:53:46Z","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/2102.00442/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Spin Physics Detector, a universal facility for studying the nucleon spin structure and other spin-related phenomena with polarized proton and deuteron beams, is proposed to be placed in one of the two interaction points of the NICA collider that is under construction at the Joint Institute for Nuclear Research (Dubna, Russia). At the heart of the project there is huge experience with polarized beams at JINR.\n  The main objective of the proposed experiment is the comprehensive study of the unpolarized and polarized gluon content of the nucleon. Spin measurements at the Spin Physics Detecto","authors_text":"A.A. Baldin, A.A. Golubev, A. Amoroso, A.A. Pavlova, A.A. Piskun, A.A. Savenkov, A.A. Semak, A.A. Shavrin, A.A. Sinitsa, A.A. Solin, A.A. Terekhin, A.A. V.V. Tokmenin, A.B. Arbuzov, A.B. Safonov, A. Chumakov, A. Datta, A.D. Kovalenko, A.G. Samartsev, A.I. L'vov, A.I. Rudenko, A.I. Sheremeteva, A. Kaplii, A. Klekotko, A. Kluev, A. Kotzinian, A. Kubankin, A. Maggiora, A.M. Aleshko, A. Maltsev, A.M. Kondratenko, A.M. Makankin, A. Movsisyan, A.N. Beloborodov, A.N. Khrenov, A.N. Skachkova, A.O. Gridin, A.P. Belova, A. Rychter, A. Rymbekova, A.S. Chepurnov, A.S. Galoyan, A.S. Gribovsky, A.Sh. Petrosyan, A.S. Lobko, A.S. Nikolaev, A.S. Zhemchugov, A. Temerbayev, A. Trifonov, A.V. Akindinov, A.V. Belyaev, A.V. Berezhnoy, A.V. Bobkov, A.V. Efremov, A.V. Guskov, A.V. Ivanov, A.V. Karpishkov, A.V. Kulikov, A. Vorobiev, A.V. Shipilova, A.V. Solin, A.V. Stavinskiy, A.V. Zelenov, A.V. Zinin, A.Ya. Berdnikov, A.Yu. Isupov, A. Yu. Korzenev, A.Yu. Verkheev, A. Zhevlakov, B.L. Topko, B. Morozov, B. Parsamyan, B.V. Grinyov, C.E Garsia Trapaga, D.A. Eliseev, D.A. Oleynik, D.B. Malkevich, D. Jokovic, D. Lednicky, D. Maletic, D.M. Larionova, D.N. Bogoslovsky, D.N. Nikiforov, D.N. Svirida, D. Panzieri, D. Strusik-Kotlozh, D.V. Peshekhonov, D.V. Podgainy, D.Yu. Kirin, E.A. Kasianova, E.A. Ladygin, E.A. Streletskaya, E.A. Usenko, E.E. Boos, E.E. Perepelkin, E.G. Baldina, E.I. Demikhov, E.I. Tarkovskyi, E. Luschevskaya, E.O. Mitrofanov, E.P. Rezvaya, E.S. Kokoulina, E. Tomasi-Gustafsson, E.V. Boltushkin, E.V. Kostukov, E.V. Kuznetsova, E.V. Martovitsky, E.V. Vasilieva, E.V. Zemlyanichkina, E.V. Zubarev, F.F. Valiev, F. Guzman, F. Tosello, G.A. Feofilov, G.A. Golovanov, G.A. Ososkov, G.D. Alexeev, G.D. Kekelidze, G. Galinski, G. Neue, Golubykh S.M., Goncharov P.V., G. Pastuszak, Grafov N.O., Gribkov D.Y., G.V. Meshcheriakov, Hao Sun, I.A. Zhukov, I. G. Alekseev, I.I. Denisenko, I. Kishchin, I. Konorov, I.K. Prokhorov, I.N. Belov, I.N. Boguslavsky, I. Prochazka, I.P. Yudin, I.S. Pelevanyuk, I.S. Volkov, I.V. Anikin, I.V. Moshkovsky, J. Haidenbauer, Jin-Xin Song, J. Marzec, J.-M. Richard, J. Popule, Jun-Wei Zhang, J. Zamora, K. Dygnarowicz, K.I. Gritsay, K.M. Salamatin, Kozhin M.A., K. Shtejer, K. Zaremba, Lei Chen, L.G. Afanasyev, L. Glonti, L.S. Vertogradov, L. Tomasek, M.A. Kondratenko, M. Alexeev, M.A. Nefedov, M.A. Negodaev, M.A. Rumyantsev, M. Chiosso, M. Finger, M. Finger (jr.), M. Havranek, Ming-Rui Zhao, M.I. Zuev, M. Marcisovsky, M.M. Merkin, M.M. Mitrankova, M. Savic, M. Slunecka, M. Strikman, M. Virius, M.V. Korjik, M.Yu. Barabanov, M. Ziembicki, N. Akopov, N.A. Rybakov, N.B. Skachkov, N.D. Topilin, N.I. Azorskiy, N.I. Volchansky, N.I. Zamyatin, N.I Zhuravlev., N.M. Zhigareva, N.O. Trunov, N.P. Topchiev, N.V. Kirichkov, N.Ya. Ivanov, O.D. Dalkarov, O.G. Tarasov, O.L. Fedin, O.P. Gavrishchuk, O.V. Rogachevsky, O.Yu. Denisov, Pei-Yu Li, Peng-Fei Sun, P.N. Zhmurin, P. Polozov, P.R. Kharusov, P.S. Korovkin, P.V. Volkov, P.Yu. Nechaeva, Qiang Zhao, Qian Wang, R. El-Kholy, R.I. Sultanov, R. Kurjata, R. Lednicky, R.R. Akhunzyanov, R. Shulyakovsky, R. Tsenov, R.V. Polyakova, S.A. Gromov, S.A. Kutuzov, S.G. Barsov, S.G. Gerasimov, S.G. Reznikov, Shi-Hai Jia, S.I. Suchkov, S. Kuleshov, S.N. Nagorniy, S.N. Reva, S.S. Parzhitsky, S.S. Shimanskii, S.V. Goloskokov, S.V. Khabarov, S.Yu. Starikova, Tereschenko V.V., Terkulov A.R., Teryaev O.V., Tishevsky A.V., Tkachenko A.V., T.L. Enik, T.V. Malykhina, V.A. Anosov, V.A. Baskov, V. Abramov, V.A. Gromov, V.A. Kramarenko, V.A. Nikitin, V.A. Saleev, V.A. Vesenkov, V.B. Dunin, V.E. Burtsev, V.E. Kovtun, V.F. Andreev, V.I. Komarov, V. Jary, V. Lyubovitskij, V.M. Abazov, V.M. Lysan, V.M. Romanov, V.N. Duginov, V.N. Frolov, V.N. Kovalenko, V.N. Kruglov, V.N. Lyashchenko, V.N. Shaikovsky, V.P. Ladygin, V.P. Maleev, V. Rusinov, V.S. Kurbatov, V. Sluneckova, V.T. Kim, V.V. Balandina, V.V. Bleko, V.V. Makarenko, V.V. Pavlov, V.V. Plotnikov, V.V. Polyansky, V.V. Popov, V. Vrba, V.V. Sotnikov, V.V. Uzhinsky, V.V. Vechernin, V.Yu. Alexakhin, Xiao-Mei Li, Ya.A. Berdnikov, Ya. Klopot, Yu.A. Kopylov, Yu.A. Nefedov, Yu.A. Troyan., Yu. Kubankin, Yu.L. Vertogradova, Yu.M. Mitrankov, Yu.N. Filatov, Yu.N. Uzikov, Yun-Yu Zhang, Yu.V. Gurchin, Yu.V. Gusakov, Yu Zhi","cross_cats":["physics.ins-det"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ex","submitted_at":"2021-01-31T12:44:44Z","title":"Conceptual design of the Spin Physics Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.00442","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:c067003255a15cc02092b0a9568435c7b847755ff202aaf4b00de2516d3d0e3b","target":"record","created_at":"2026-07-05T03:53:46Z","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":"bdeebf7a2e0d7b83d960019f96f68c4e4de8caa64317c93985efff74f8d9b3bb","cross_cats_sorted":["physics.ins-det"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"hep-ex","submitted_at":"2021-01-31T12:44:44Z","title_canon_sha256":"899fbf126a4565aba493a3e610799f2ec306089682b344ef1317610e43ba52e1"},"schema_version":"1.0","source":{"id":"2102.00442","kind":"arxiv","version":3}},"canonical_sha256":"00e1a73796f6c8e9c579a224997492381ccc08c19611ca854f734265bf63182c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00e1a73796f6c8e9c579a224997492381ccc08c19611ca854f734265bf63182c","first_computed_at":"2026-07-05T03:53:46.490305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:53:46.490305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f51NWcPUIeKk9RA19MyhrO2m83P0WwJteDhRswMRzGvGrP9vZqbY4khnvhAsS1HFFkxK+vx2R4pMblBvRy4HCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:53:46.490722Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.00442","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c067003255a15cc02092b0a9568435c7b847755ff202aaf4b00de2516d3d0e3b","sha256:51c6b2cb352d9353eac0361d18cdb177767bfe11768c56c17d8e9416f02e1c49"],"state_sha256":"7a4dbf82512daaf73a1f7839d9b0dad2aaab2db18288f7a076682bb52433d6cf"}