{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:BQLXSCQPHBYMR3A6KTYLGQZ5HB","short_pith_number":"pith:BQLXSCQP","canonical_record":{"source":{"id":"hep-ph/0509266","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-09-23T16:04:52Z","cross_cats_sorted":[],"title_canon_sha256":"cd80ec3202f4f9a55e6e8cdca34ad3e349c1114ce908b11b6a6b977d93ebdace","abstract_canon_sha256":"5d74f2f078c9248af32670c6a14fccada12dc776be06387b3f6eaa38457e857e"},"schema_version":"1.0"},"canonical_sha256":"0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc","source":{"kind":"arxiv","id":"hep-ph/0509266","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0509266","created_at":"2026-05-18T04:37:00Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0509266v1","created_at":"2026-05-18T04:37:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0509266","created_at":"2026-05-18T04:37:00Z"},{"alias_kind":"pith_short_12","alias_value":"BQLXSCQPHBYM","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BQLXSCQPHBYMR3A6","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BQLXSCQP","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:BQLXSCQPHBYMR3A6KTYLGQZ5HB","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0509266","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-09-23T16:04:52Z","cross_cats_sorted":[],"title_canon_sha256":"cd80ec3202f4f9a55e6e8cdca34ad3e349c1114ce908b11b6a6b977d93ebdace","abstract_canon_sha256":"5d74f2f078c9248af32670c6a14fccada12dc776be06387b3f6eaa38457e857e"},"schema_version":"1.0"},"canonical_sha256":"0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:00.337357Z","signature_b64":"mc+FWkhSNxIrn/Ga7NnciAgeU6eEUOkAuYnZc0J7PTRfkzLVFnfm4gfot7DlGvDtg9YcCRv12HzTD9sg/8sOCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc","last_reissued_at":"2026-05-18T04:37:00.336492Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:00.336492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0509266","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":"2026-05-18T04:37:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ABcyVRox/uDkTk08NTt+jlv3xA7MTzsKVPtUlOaPr0dSAD2yK1I41fDQ5r5PaWqP0UoQSz2ljCzZSz59b4AwCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:24:29.332335Z"},"content_sha256":"96519f32c88c6540b5b250fae0b45558bfda9218e39d017ab24638ef1973a0ff","schema_version":"1.0","event_id":"sha256:96519f32c88c6540b5b250fae0b45558bfda9218e39d017ab24638ef1973a0ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:BQLXSCQPHBYMR3A6KTYLGQZ5HB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theoretical Aspects of the Pion-Pion Interaction","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Gilberto Colangelo, Heinrich Leutwyler, Irinel Caprini","submitted_at":"2005-09-23T16:04:52Z","abstract_excerpt":"We give a brief review of the theoretical description of low energy pion-pion scattering by the combined use of Chiral Perturbation Theory and Roy equations, an update of the Regge parametrization of $\\pi\\pi$ cross sections at high energies, and a short discussion of the scalar radius of the pion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0509266","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":"2026-05-18T04:37:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T/a7wctaT7gLEcNzDa9I0UibVIuPMnz5BMmn3+UV0Kr9sJkir5t2LFcEn80xCJyup63G1fQ7SpF2+dTV/74/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:24:29.332691Z"},"content_sha256":"3dd5df5712180a1a27db41561492c9bb6df21299bb0d521550142248d54ad53d","schema_version":"1.0","event_id":"sha256:3dd5df5712180a1a27db41561492c9bb6df21299bb0d521550142248d54ad53d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB/bundle.json","state_url":"https://pith.science/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB/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":"2026-05-28T07:24:29Z","links":{"resolver":"https://pith.science/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB","bundle":"https://pith.science/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB/bundle.json","state":"https://pith.science/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BQLXSCQPHBYMR3A6KTYLGQZ5HB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:BQLXSCQPHBYMR3A6KTYLGQZ5HB","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":"5d74f2f078c9248af32670c6a14fccada12dc776be06387b3f6eaa38457e857e","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-09-23T16:04:52Z","title_canon_sha256":"cd80ec3202f4f9a55e6e8cdca34ad3e349c1114ce908b11b6a6b977d93ebdace"},"schema_version":"1.0","source":{"id":"hep-ph/0509266","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0509266","created_at":"2026-05-18T04:37:00Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0509266v1","created_at":"2026-05-18T04:37:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0509266","created_at":"2026-05-18T04:37:00Z"},{"alias_kind":"pith_short_12","alias_value":"BQLXSCQPHBYM","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"BQLXSCQPHBYMR3A6","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"BQLXSCQP","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:3dd5df5712180a1a27db41561492c9bb6df21299bb0d521550142248d54ad53d","target":"graph","created_at":"2026-05-18T04:37:00Z","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":"We give a brief review of the theoretical description of low energy pion-pion scattering by the combined use of Chiral Perturbation Theory and Roy equations, an update of the Regge parametrization of $\\pi\\pi$ cross sections at high energies, and a short discussion of the scalar radius of the pion.","authors_text":"Gilberto Colangelo, Heinrich Leutwyler, Irinel Caprini","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2005-09-23T16:04:52Z","title":"Theoretical Aspects of the Pion-Pion Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0509266","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":"sha256:96519f32c88c6540b5b250fae0b45558bfda9218e39d017ab24638ef1973a0ff","target":"record","created_at":"2026-05-18T04:37:00Z","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":"5d74f2f078c9248af32670c6a14fccada12dc776be06387b3f6eaa38457e857e","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2005-09-23T16:04:52Z","title_canon_sha256":"cd80ec3202f4f9a55e6e8cdca34ad3e349c1114ce908b11b6a6b977d93ebdace"},"schema_version":"1.0","source":{"id":"hep-ph/0509266","kind":"arxiv","version":1}},"canonical_sha256":"0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c17790a0f3870c8ec1e54f0b3433d384e2ab5e1a8e474e521b51f75b8be17bc","first_computed_at":"2026-05-18T04:37:00.336492Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:00.336492Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mc+FWkhSNxIrn/Ga7NnciAgeU6eEUOkAuYnZc0J7PTRfkzLVFnfm4gfot7DlGvDtg9YcCRv12HzTD9sg/8sOCw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:00.337357Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0509266","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96519f32c88c6540b5b250fae0b45558bfda9218e39d017ab24638ef1973a0ff","sha256:3dd5df5712180a1a27db41561492c9bb6df21299bb0d521550142248d54ad53d"],"state_sha256":"481c4c6c19df94d75346ea9d27705871cd3c8853a431b2a3716362ef9f1371e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3FdHUZRTQcK5ccDyTTZwJICJeDdeGazxB2fKGS5wNWOtS5u+RSu4L2FlKriUUdiNhdbxAVcqT6awWOkjIonVBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:24:29.335121Z","bundle_sha256":"db6d9e2aef583934198ee368ef035e80b895010072705bd470d16341be15e24e"}}