{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:TQ2GZYRIRZF4SZVJPYV3RK4NW2","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":"32d0d2a8ea7b373bb8a9d4c5416752db043aee2ef926eda7acceabeecd5f833d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-10-01T01:52:41Z","title_canon_sha256":"0d89351c33e2385298837c318484dcf16c0cedd4196fed765bb94a4a0581afe6"},"schema_version":"1.0","source":{"id":"hep-ph/0310004","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0310004","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0310004v1","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0310004","created_at":"2026-05-18T01:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"TQ2GZYRIRZF4","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"TQ2GZYRIRZF4SZVJ","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"TQ2GZYRI","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:07d0ad667b0bee2e9ecdb5e31443f88bd00e67cb7fccc2637671356fcbe515a7","target":"graph","created_at":"2026-05-18T01:39:06Z","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":"A modified method for calculating the pion vacuum susceptibility from an effective quark-quark interaction model is derived. Within this approach it is shown that the pion vacuum susceptibility is free of ultraviolet divergence and is much smaller than the previous estimations.","authors_text":"En-Guang Zhao, Hong-shi Zong, Shi Qi, Wei Chen, Wei-Min Sun","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-10-01T01:52:41Z","title":"Pion susceptibility of the QCD vacuum from an effective quark-quark interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0310004","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:cff2d4c0e43587d0eb647c55a126be9c5fe1dee848f4c60552ac8a88d773cd2d","target":"record","created_at":"2026-05-18T01:39:06Z","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":"32d0d2a8ea7b373bb8a9d4c5416752db043aee2ef926eda7acceabeecd5f833d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-10-01T01:52:41Z","title_canon_sha256":"0d89351c33e2385298837c318484dcf16c0cedd4196fed765bb94a4a0581afe6"},"schema_version":"1.0","source":{"id":"hep-ph/0310004","kind":"arxiv","version":1}},"canonical_sha256":"9c346ce2288e4bc966a97e2bb8ab8db6bb2d7172dcf15e3216cd0f2c3b3da09b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c346ce2288e4bc966a97e2bb8ab8db6bb2d7172dcf15e3216cd0f2c3b3da09b","first_computed_at":"2026-05-18T01:39:06.109352Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:06.109352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Obn6AJUJvCRyCt9ww/sMlyGLv8K0tSe4dS0rUyJvNV1PJ6HvJzQE7aWOHtc9s1fh8e4doCkAPhDTsLwuoKAiAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:06.109837Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0310004","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cff2d4c0e43587d0eb647c55a126be9c5fe1dee848f4c60552ac8a88d773cd2d","sha256:07d0ad667b0bee2e9ecdb5e31443f88bd00e67cb7fccc2637671356fcbe515a7"],"state_sha256":"937e9428dfc075391c83ac03fa2766a1097e12844606bb99a8394462a89105a0"}