{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HDLN4KYOQ6TM5IAWNVFAL54Y6P","short_pith_number":"pith:HDLN4KYO","canonical_record":{"source":{"id":"1208.2568","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-13T12:46:55Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"1fa0b859e1fda8bed55434c1b5e6fe8343fe471ab4d92adcd886c9ef29caaf07","abstract_canon_sha256":"85661855c15e2cf2de9cf552299caced6ab5e90ac7fbea16e55f9be300a409e9"},"schema_version":"1.0"},"canonical_sha256":"38d6de2b0e87a6cea0166d4a05f798f3fa14f9673d903994ea61f28ef088eb94","source":{"kind":"arxiv","id":"1208.2568","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2568","created_at":"2026-05-18T00:37:21Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2568v1","created_at":"2026-05-18T00:37:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2568","created_at":"2026-05-18T00:37:21Z"},{"alias_kind":"pith_short_12","alias_value":"HDLN4KYOQ6TM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HDLN4KYOQ6TM5IAW","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HDLN4KYO","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HDLN4KYOQ6TM5IAWNVFAL54Y6P","target":"record","payload":{"canonical_record":{"source":{"id":"1208.2568","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-13T12:46:55Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"1fa0b859e1fda8bed55434c1b5e6fe8343fe471ab4d92adcd886c9ef29caaf07","abstract_canon_sha256":"85661855c15e2cf2de9cf552299caced6ab5e90ac7fbea16e55f9be300a409e9"},"schema_version":"1.0"},"canonical_sha256":"38d6de2b0e87a6cea0166d4a05f798f3fa14f9673d903994ea61f28ef088eb94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:21.977785Z","signature_b64":"/k/z4R5kbhwGV8NL9aeeAxk1xPOwqEclTSrXJAkGzXNpPieHb5gluLIkYvgxJGiAQHTfPRgakzkDyJvszUxxBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38d6de2b0e87a6cea0166d4a05f798f3fa14f9673d903994ea61f28ef088eb94","last_reissued_at":"2026-05-18T00:37:21.977282Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:21.977282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.2568","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":"2026-05-18T00:37:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dEnvSKwA+lTo022kDltiiylvRckxeiApz20mDe7u/1ZJHAoc0o5DypmGLMEpqr3HnufYcnPrhTBrNPe0SA4mDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:08:14.301103Z"},"content_sha256":"8a8a95fb93cc28bf2b2831cdd80302bfe84a985a20f888f22ebf0dc291376761","schema_version":"1.0","event_id":"sha256:8a8a95fb93cc28bf2b2831cdd80302bfe84a985a20f888f22ebf0dc291376761"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HDLN4KYOQ6TM5IAWNVFAL54Y6P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral dynamics with vector fields: an application to $\\pi\\pi$ and $\\pi K$ scattering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"I. V. Danilkin, M. F. M. Lutz","submitted_at":"2012-08-13T12:46:55Z","abstract_excerpt":"A theoretical study of Goldstone boson scattering based on the chiral Lagrangian with vector meson fields is presented. In application of a recently developed novel approach we extrapolate subthreshold partial-wave amplitudes into the physical region. The constraints set by micro-causality and coupled-channel unitarity are kept rigourously. It is shown that already the leading order subthreshold amplitudes lead to s- and p-wave $\\pi\\pi$ and $\\pi K$ phase shifts are in agreement with the experimental data up to about 1.2 GeV."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2568","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:37:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q4joL42fuhrtP2PAHlJjKaza1XFblC5ootEdSVc+cHdM4PWs0YiLeTJLbTChLyG6OS/MgAE3jkHMVF6T7hdFBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T17:08:14.301888Z"},"content_sha256":"4a6abae1d06afcc3f9e56cb37b9ae90c6cf5615beeba4557ba5777bdd64577c4","schema_version":"1.0","event_id":"sha256:4a6abae1d06afcc3f9e56cb37b9ae90c6cf5615beeba4557ba5777bdd64577c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P/bundle.json","state_url":"https://pith.science/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P/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":"2026-06-08T17:08:14Z","links":{"resolver":"https://pith.science/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P","bundle":"https://pith.science/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P/bundle.json","state":"https://pith.science/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HDLN4KYOQ6TM5IAWNVFAL54Y6P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HDLN4KYOQ6TM5IAWNVFAL54Y6P","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":"85661855c15e2cf2de9cf552299caced6ab5e90ac7fbea16e55f9be300a409e9","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-13T12:46:55Z","title_canon_sha256":"1fa0b859e1fda8bed55434c1b5e6fe8343fe471ab4d92adcd886c9ef29caaf07"},"schema_version":"1.0","source":{"id":"1208.2568","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.2568","created_at":"2026-05-18T00:37:21Z"},{"alias_kind":"arxiv_version","alias_value":"1208.2568v1","created_at":"2026-05-18T00:37:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.2568","created_at":"2026-05-18T00:37:21Z"},{"alias_kind":"pith_short_12","alias_value":"HDLN4KYOQ6TM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HDLN4KYOQ6TM5IAW","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HDLN4KYO","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:4a6abae1d06afcc3f9e56cb37b9ae90c6cf5615beeba4557ba5777bdd64577c4","target":"graph","created_at":"2026-05-18T00:37:21Z","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 theoretical study of Goldstone boson scattering based on the chiral Lagrangian with vector meson fields is presented. In application of a recently developed novel approach we extrapolate subthreshold partial-wave amplitudes into the physical region. The constraints set by micro-causality and coupled-channel unitarity are kept rigourously. It is shown that already the leading order subthreshold amplitudes lead to s- and p-wave $\\pi\\pi$ and $\\pi K$ phase shifts are in agreement with the experimental data up to about 1.2 GeV.","authors_text":"I. V. Danilkin, M. F. M. Lutz","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-13T12:46:55Z","title":"Chiral dynamics with vector fields: an application to $\\pi\\pi$ and $\\pi K$ scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.2568","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":"sha256:8a8a95fb93cc28bf2b2831cdd80302bfe84a985a20f888f22ebf0dc291376761","target":"record","created_at":"2026-05-18T00:37:21Z","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":"85661855c15e2cf2de9cf552299caced6ab5e90ac7fbea16e55f9be300a409e9","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-13T12:46:55Z","title_canon_sha256":"1fa0b859e1fda8bed55434c1b5e6fe8343fe471ab4d92adcd886c9ef29caaf07"},"schema_version":"1.0","source":{"id":"1208.2568","kind":"arxiv","version":1}},"canonical_sha256":"38d6de2b0e87a6cea0166d4a05f798f3fa14f9673d903994ea61f28ef088eb94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38d6de2b0e87a6cea0166d4a05f798f3fa14f9673d903994ea61f28ef088eb94","first_computed_at":"2026-05-18T00:37:21.977282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:21.977282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/k/z4R5kbhwGV8NL9aeeAxk1xPOwqEclTSrXJAkGzXNpPieHb5gluLIkYvgxJGiAQHTfPRgakzkDyJvszUxxBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:21.977785Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.2568","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a8a95fb93cc28bf2b2831cdd80302bfe84a985a20f888f22ebf0dc291376761","sha256:4a6abae1d06afcc3f9e56cb37b9ae90c6cf5615beeba4557ba5777bdd64577c4"],"state_sha256":"1ffa6c1f7063dbdf1e0b40ebf73b96a7cdcb908274f12f8bd5f9b4a7566215bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OxvYXIqL7lykKTNraZjDIMhNgOl/J/PsPko4NvpXst9uaL5gbsItRq2ozJJ4d94euOYCUzKE3z+XHGu7uIcxDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T17:08:14.306563Z","bundle_sha256":"dc89265d4c571c1dc1c7041fcec9c9f479ecd603b91069e5cdfa83afbd630349"}}