{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:FR6AYABENE7WPXSXDZIDXWOS76","short_pith_number":"pith:FR6AYABE","schema_version":"1.0","canonical_sha256":"2c7c0c0024693f67de571e503bd9d2ffaa1adb78f0798975d1119c1275e68e2e","source":{"kind":"arxiv","id":"1810.12849","version":1},"attestation_state":"computed","paper":{"title":"Bootstrapping QCD: the Lake, the Peninsula and the Kink","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Andrea L. Guerrieri, Joao Penedones, Pedro Vieira","submitted_at":"2018-10-30T16:44:06Z","abstract_excerpt":"We consider the S-matrix bootstrap of four dimensional scattering amplitudes with $O(3)$ symmetry and no bound-states. We explore the allowed space of scattering lengths which parametrize the interaction strength at threshold of the various scattering channels. Next we consider an application of this formalism to pion physics. A signature of pions is that they are derivatively coupled leading to (chiral) zeros in their scattering amplitudes. In this work we explore the multi-dimensional space of chiral zeros positions, scattering length values and resonance mass values. Interestingly, we encou"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1810.12849","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-10-30T16:44:06Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"8b17a0c3172b44e80efc1e51e4ed574e3e68e88a5e50b688e5e7319c4ab5624d","abstract_canon_sha256":"8862d1a49361b907202ea545a460d39c60b295a9fd933dcb654c03b83fae71e6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:26.754106Z","signature_b64":"q18DMKmJSms7lk9FBH/tQPIvOhY4mSl8w42VAYzG95RfA1AIOPtMSMSmvqvakBQVfFrYkqpmQo1BaicXZgVmBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c7c0c0024693f67de571e503bd9d2ffaa1adb78f0798975d1119c1275e68e2e","last_reissued_at":"2026-05-17T23:42:26.753306Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:26.753306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bootstrapping QCD: the Lake, the Peninsula and the Kink","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"Andrea L. Guerrieri, Joao Penedones, Pedro Vieira","submitted_at":"2018-10-30T16:44:06Z","abstract_excerpt":"We consider the S-matrix bootstrap of four dimensional scattering amplitudes with $O(3)$ symmetry and no bound-states. We explore the allowed space of scattering lengths which parametrize the interaction strength at threshold of the various scattering channels. Next we consider an application of this formalism to pion physics. A signature of pions is that they are derivatively coupled leading to (chiral) zeros in their scattering amplitudes. In this work we explore the multi-dimensional space of chiral zeros positions, scattering length values and resonance mass values. Interestingly, we encou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.12849","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1810.12849","created_at":"2026-05-17T23:42:26.753462+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.12849v1","created_at":"2026-05-17T23:42:26.753462+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.12849","created_at":"2026-05-17T23:42:26.753462+00:00"},{"alias_kind":"pith_short_12","alias_value":"FR6AYABENE7W","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"FR6AYABENE7WPXSX","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"FR6AYABE","created_at":"2026-05-18T12:32:25.280505+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.21582","citing_title":"Multipositivity Constrains the Chiral Lagrangian","ref_index":117,"is_internal_anchor":true},{"citing_arxiv_id":"2506.22546","citing_title":"Primal S-matrix bootstrap with dispersion relations","ref_index":4,"is_internal_anchor":true},{"citing_arxiv_id":"2605.05349","citing_title":"All-loop four-quark Bethe-Salpeter kernel","ref_index":32,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76","json":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76.json","graph_json":"https://pith.science/api/pith-number/FR6AYABENE7WPXSXDZIDXWOS76/graph.json","events_json":"https://pith.science/api/pith-number/FR6AYABENE7WPXSXDZIDXWOS76/events.json","paper":"https://pith.science/paper/FR6AYABE"},"agent_actions":{"view_html":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76","download_json":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76.json","view_paper":"https://pith.science/paper/FR6AYABE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.12849&json=true","fetch_graph":"https://pith.science/api/pith-number/FR6AYABENE7WPXSXDZIDXWOS76/graph.json","fetch_events":"https://pith.science/api/pith-number/FR6AYABENE7WPXSXDZIDXWOS76/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76/action/storage_attestation","attest_author":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76/action/author_attestation","sign_citation":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76/action/citation_signature","submit_replication":"https://pith.science/pith/FR6AYABENE7WPXSXDZIDXWOS76/action/replication_record"}},"created_at":"2026-05-17T23:42:26.753462+00:00","updated_at":"2026-05-17T23:42:26.753462+00:00"}