{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:E5GHGC74D2I5NBFUQIUD6XHAXH","short_pith_number":"pith:E5GHGC74","canonical_record":{"source":{"id":"1104.3673","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-04-19T08:37:06Z","cross_cats_sorted":[],"title_canon_sha256":"7b385698d3ac716fc46607a8f81185cafc259269e10c7424e66b60369a10253d","abstract_canon_sha256":"5328ba75deab53f2d1be8ff61cf65cc819cefd283bdcb372321943908bfa46df"},"schema_version":"1.0"},"canonical_sha256":"274c730bfc1e91d684b482283f5ce0b9d0965f2cff9b2468bfbb5abe4e808019","source":{"kind":"arxiv","id":"1104.3673","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.3673","created_at":"2026-05-18T03:47:54Z"},{"alias_kind":"arxiv_version","alias_value":"1104.3673v2","created_at":"2026-05-18T03:47:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.3673","created_at":"2026-05-18T03:47:54Z"},{"alias_kind":"pith_short_12","alias_value":"E5GHGC74D2I5","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E5GHGC74D2I5NBFU","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E5GHGC74","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:E5GHGC74D2I5NBFUQIUD6XHAXH","target":"record","payload":{"canonical_record":{"source":{"id":"1104.3673","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-04-19T08:37:06Z","cross_cats_sorted":[],"title_canon_sha256":"7b385698d3ac716fc46607a8f81185cafc259269e10c7424e66b60369a10253d","abstract_canon_sha256":"5328ba75deab53f2d1be8ff61cf65cc819cefd283bdcb372321943908bfa46df"},"schema_version":"1.0"},"canonical_sha256":"274c730bfc1e91d684b482283f5ce0b9d0965f2cff9b2468bfbb5abe4e808019","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:54.548644Z","signature_b64":"deZNoBbDSeoaLU/TO4bwn8VzjULjZ5/9pqbObfyUR3uwySlXBPVc1KvJ1aws32Q8KOhVBdHtHsInuoPRTcT5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"274c730bfc1e91d684b482283f5ce0b9d0965f2cff9b2468bfbb5abe4e808019","last_reissued_at":"2026-05-18T03:47:54.547946Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:54.547946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.3673","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":"2026-05-18T03:47:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M827DeRmWWt91eGwE5kO9gQHFmeMNxM2e4z6tZ+6rZ4+SDbi0thEQwXS+bkjoC43ACYxl4JXVtKWAYJjdxmHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:32:31.685251Z"},"content_sha256":"4ddaf3938caefa80acc84fc90cc612777eae975a124713f3baaf7bd5320d0acb","schema_version":"1.0","event_id":"sha256:4ddaf3938caefa80acc84fc90cc612777eae975a124713f3baaf7bd5320d0acb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:E5GHGC74D2I5NBFUQIUD6XHAXH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Neutral pion number fluctuations at high multiplicity in pp-interactions at 50 GeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.A. Kiryakov, A.G. Kholodenko, A.G. Voronin, A.I. Yukaev, A.K. Kulikov, A.M. Vishnevskaya, A.N. Aleev, A.P. Vorobiev, A.V. Karpov, A.V. Kubarovsky, A.V. Pleskach, A.V. Terletskiy, A.Ya. Kutov, D.E. Karmanov, E.A. Kuraev, E.G. Zverev, E.N. Ardashev, E.S. Kokoulina, E.V. Lobanova, G.A. Bogdanova, G.A. Mitrofanov, G.D. Kekelidze, G.G. Ermakov, G.I. Lanschikov A.K. Leflat, I.A. Rufanov, I.S. Lobanov, L.A. Tikhonova, L.L. Kurchaninov, M.A. Batouritski, M.K. Polkovnikov, M.M. Merkin, M.M. Soldatov, N.A. Kuzmin, N.A. Shalanda, N.F. Furmanets, N.I. Grishin, N.K. Zhidkov, P.F. Ermolov, S.A. Gorokhov, S.A. Zotkin, S.F. Berezhnev, S.G. Basiladze, S.I. Lyutov, S.N. Golovnya, SVD-2 Collaboration: A.G. Afonin, V. A. Budilov, V.A. Nikitin, V.A. Senko, V.D. Peshehonov, V.F. Golovkin, V.I. Kireev, V.I. Spiryakin, V.I. Yakimchuk, V.N. Kramarenko, V.N. Lysan, V.N. Riadovikov, V.N. Ronzhin, V.N. Zapolskii, V.P. Balandin, V.S. Petrov, V.V. Avdeichikov, V.V. Konstantinov, V.V. Myalkovskiy, V.V. Popov, V.Yu. Volkov, Ya.V. Grishkevich, Y.P. Petukhov, Yu. A. Chentsov, Yu.P. Tsyupa, Yu.T. Borzunov","submitted_at":"2011-04-19T08:37:06Z","abstract_excerpt":"Neutral pion number N0 distributions for each total number of particles in event Ntot=Nch+N0 are obtained. The scaled variance of neutral pion fluctuations, omega=D/<N0>, is measured. The fluctuations increase at Ntot >22. According to quantum statistics models it may indicate for the approaching to pion condensate conditions for high pion multiplicity in the system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.3673","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":"2026-05-18T03:47:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GbChABnXfSbOAfPp6fAOMVeEoJe1nvE3WMS0jiWlyvJ8UyqzZ5x2EVOUc7jx4aqT92E7dgeiYQYrrEJ+UBkjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T14:32:31.685797Z"},"content_sha256":"59d78f1892565980d1ddf1dfdbfd373aedcc01b791be0393f99bbf5e8410a71d","schema_version":"1.0","event_id":"sha256:59d78f1892565980d1ddf1dfdbfd373aedcc01b791be0393f99bbf5e8410a71d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E5GHGC74D2I5NBFUQIUD6XHAXH/bundle.json","state_url":"https://pith.science/pith/E5GHGC74D2I5NBFUQIUD6XHAXH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E5GHGC74D2I5NBFUQIUD6XHAXH/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":"2026-05-30T14:32:31Z","links":{"resolver":"https://pith.science/pith/E5GHGC74D2I5NBFUQIUD6XHAXH","bundle":"https://pith.science/pith/E5GHGC74D2I5NBFUQIUD6XHAXH/bundle.json","state":"https://pith.science/pith/E5GHGC74D2I5NBFUQIUD6XHAXH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E5GHGC74D2I5NBFUQIUD6XHAXH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:E5GHGC74D2I5NBFUQIUD6XHAXH","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":"5328ba75deab53f2d1be8ff61cf65cc819cefd283bdcb372321943908bfa46df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-04-19T08:37:06Z","title_canon_sha256":"7b385698d3ac716fc46607a8f81185cafc259269e10c7424e66b60369a10253d"},"schema_version":"1.0","source":{"id":"1104.3673","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.3673","created_at":"2026-05-18T03:47:54Z"},{"alias_kind":"arxiv_version","alias_value":"1104.3673v2","created_at":"2026-05-18T03:47:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.3673","created_at":"2026-05-18T03:47:54Z"},{"alias_kind":"pith_short_12","alias_value":"E5GHGC74D2I5","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E5GHGC74D2I5NBFU","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E5GHGC74","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:59d78f1892565980d1ddf1dfdbfd373aedcc01b791be0393f99bbf5e8410a71d","target":"graph","created_at":"2026-05-18T03:47:54Z","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":"Neutral pion number N0 distributions for each total number of particles in event Ntot=Nch+N0 are obtained. The scaled variance of neutral pion fluctuations, omega=D/<N0>, is measured. The fluctuations increase at Ntot >22. According to quantum statistics models it may indicate for the approaching to pion condensate conditions for high pion multiplicity in the system.","authors_text":"A.A. Kiryakov, A.G. Kholodenko, A.G. Voronin, A.I. Yukaev, A.K. Kulikov, A.M. Vishnevskaya, A.N. Aleev, A.P. Vorobiev, A.V. Karpov, A.V. Kubarovsky, A.V. Pleskach, A.V. Terletskiy, A.Ya. Kutov, D.E. Karmanov, E.A. Kuraev, E.G. Zverev, E.N. Ardashev, E.S. Kokoulina, E.V. Lobanova, G.A. Bogdanova, G.A. Mitrofanov, G.D. Kekelidze, G.G. Ermakov, G.I. Lanschikov A.K. Leflat, I.A. Rufanov, I.S. Lobanov, L.A. Tikhonova, L.L. Kurchaninov, M.A. Batouritski, M.K. Polkovnikov, M.M. Merkin, M.M. Soldatov, N.A. Kuzmin, N.A. Shalanda, N.F. Furmanets, N.I. Grishin, N.K. Zhidkov, P.F. Ermolov, S.A. Gorokhov, S.A. Zotkin, S.F. Berezhnev, S.G. Basiladze, S.I. Lyutov, S.N. Golovnya, SVD-2 Collaboration: A.G. Afonin, V. A. Budilov, V.A. Nikitin, V.A. Senko, V.D. Peshehonov, V.F. Golovkin, V.I. Kireev, V.I. Spiryakin, V.I. Yakimchuk, V.N. Kramarenko, V.N. Lysan, V.N. Riadovikov, V.N. Ronzhin, V.N. Zapolskii, V.P. Balandin, V.S. Petrov, V.V. Avdeichikov, V.V. Konstantinov, V.V. Myalkovskiy, V.V. Popov, V.Yu. Volkov, Ya.V. Grishkevich, Y.P. Petukhov, Yu. A. Chentsov, Yu.P. Tsyupa, Yu.T. Borzunov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-04-19T08:37:06Z","title":"Neutral pion number fluctuations at high multiplicity in pp-interactions at 50 GeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.3673","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":"sha256:4ddaf3938caefa80acc84fc90cc612777eae975a124713f3baaf7bd5320d0acb","target":"record","created_at":"2026-05-18T03:47:54Z","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":"5328ba75deab53f2d1be8ff61cf65cc819cefd283bdcb372321943908bfa46df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2011-04-19T08:37:06Z","title_canon_sha256":"7b385698d3ac716fc46607a8f81185cafc259269e10c7424e66b60369a10253d"},"schema_version":"1.0","source":{"id":"1104.3673","kind":"arxiv","version":2}},"canonical_sha256":"274c730bfc1e91d684b482283f5ce0b9d0965f2cff9b2468bfbb5abe4e808019","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"274c730bfc1e91d684b482283f5ce0b9d0965f2cff9b2468bfbb5abe4e808019","first_computed_at":"2026-05-18T03:47:54.547946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:54.547946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"deZNoBbDSeoaLU/TO4bwn8VzjULjZ5/9pqbObfyUR3uwySlXBPVc1KvJ1aws32Q8KOhVBdHtHsInuoPRTcT5Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:54.548644Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.3673","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ddaf3938caefa80acc84fc90cc612777eae975a124713f3baaf7bd5320d0acb","sha256:59d78f1892565980d1ddf1dfdbfd373aedcc01b791be0393f99bbf5e8410a71d"],"state_sha256":"7177c90b78cd5f8638a7570dcf113217b4b246b3c5efe2f04c3eacd0c6fe1b7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VoK8Gw2FBELli/8hl4zCQ0lemeePn3R6DLrV2pXYidbwcTfewgn1Ovjh0KAYVfpt0+ud1IfIhei7L77XHkcGCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T14:32:31.689270Z","bundle_sha256":"c673f45033a1e3814c25d5fbd72877cb1c88a41d06fbed232272753ae064c1ce"}}