{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:A4OZ3WYKWDK46QJCE4RLAKXYJI","short_pith_number":"pith:A4OZ3WYK","canonical_record":{"source":{"id":"1201.0438","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-01-02T08:55:29Z","cross_cats_sorted":[],"title_canon_sha256":"f9629fb4bb3949ba5e1bef3d27ea3154a294e024f60d9db1f8a770052afa66e5","abstract_canon_sha256":"22f4d87d4a9a83b20a281b2b1c509a4402c24c6834eea623ede36170b3678993"},"schema_version":"1.0"},"canonical_sha256":"071d9ddb0ab0d5cf41222722b02af84a196364bcc781c8a06b622e985313ddc6","source":{"kind":"arxiv","id":"1201.0438","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.0438","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"arxiv_version","alias_value":"1201.0438v1","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.0438","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"pith_short_12","alias_value":"A4OZ3WYKWDK4","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"A4OZ3WYKWDK46QJC","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"A4OZ3WYK","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:A4OZ3WYKWDK46QJCE4RLAKXYJI","target":"record","payload":{"canonical_record":{"source":{"id":"1201.0438","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-01-02T08:55:29Z","cross_cats_sorted":[],"title_canon_sha256":"f9629fb4bb3949ba5e1bef3d27ea3154a294e024f60d9db1f8a770052afa66e5","abstract_canon_sha256":"22f4d87d4a9a83b20a281b2b1c509a4402c24c6834eea623ede36170b3678993"},"schema_version":"1.0"},"canonical_sha256":"071d9ddb0ab0d5cf41222722b02af84a196364bcc781c8a06b622e985313ddc6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:22:53.497934Z","signature_b64":"iUWqy+9iQb0sPVu/zKcvyqTsjwg+r8wRj6Hy3U+6VGhknPQMKChtmHoB8ln33Jh3BYMJHCKMVV/88xcGiUeJAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"071d9ddb0ab0d5cf41222722b02af84a196364bcc781c8a06b622e985313ddc6","last_reissued_at":"2026-05-18T03:22:53.497328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:22:53.497328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.0438","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":"2026-05-18T03:22:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vUz/AePKy2Jhrt1xlukKmu+AvynWAS/ClxQB1K0nqQCrhz60776iP/njcOwtp7knWl8JMgzruTQo0IhSWS6zAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T14:02:26.065993Z"},"content_sha256":"9c544c168b6e76eeeda5aea68c926889031829b92653fd616512c82447b45e71","schema_version":"1.0","event_id":"sha256:9c544c168b6e76eeeda5aea68c926889031829b92653fd616512c82447b45e71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:A4OZ3WYKWDK46QJCE4RLAKXYJI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scattering of unstable particles in a finite volume: the case of pi rho scattering and the a1(1260) resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-lat","authors_text":"E. Oset, L. Roca","submitted_at":"2012-01-02T08:55:29Z","abstract_excerpt":"We present a way to evaluate the scattering of unstable particles quantized in a finite volume with the aim of extracting physical observables for infinite volume from lattice data. We illustrate the method with the $\\pi\\rho$ scattering which generates dynamically the axial-vector $a_1(1260)$ resonance. Energy levels in a finite box are evaluated both considering the $\\rho$ as a stable and unstable resonance and we find significant differences between both cases. We discuss how to solve the problem to get the physical scattering amplitudes in the infinite volume, and hence phase shifts, from p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.0438","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":"2026-05-18T03:22:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R9KcDGjdjLCOybA0LBpNCr964T609kDjlN9Q7BL+Nre6khSpyyt3uIDeuBnYHoyDfXeth2YVz6rLFDHC2uoZBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T14:02:26.066633Z"},"content_sha256":"818c6e26d14dcb4e0ad4a7da20952ae66c7380a3cdbd1d8474ec7c5cecebc1ad","schema_version":"1.0","event_id":"sha256:818c6e26d14dcb4e0ad4a7da20952ae66c7380a3cdbd1d8474ec7c5cecebc1ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI/bundle.json","state_url":"https://pith.science/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI/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":"2026-05-22T14:02:26Z","links":{"resolver":"https://pith.science/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI","bundle":"https://pith.science/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI/bundle.json","state":"https://pith.science/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A4OZ3WYKWDK46QJCE4RLAKXYJI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:A4OZ3WYKWDK46QJCE4RLAKXYJI","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":"22f4d87d4a9a83b20a281b2b1c509a4402c24c6834eea623ede36170b3678993","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-01-02T08:55:29Z","title_canon_sha256":"f9629fb4bb3949ba5e1bef3d27ea3154a294e024f60d9db1f8a770052afa66e5"},"schema_version":"1.0","source":{"id":"1201.0438","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.0438","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"arxiv_version","alias_value":"1201.0438v1","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.0438","created_at":"2026-05-18T03:22:53Z"},{"alias_kind":"pith_short_12","alias_value":"A4OZ3WYKWDK4","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"A4OZ3WYKWDK46QJC","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"A4OZ3WYK","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:818c6e26d14dcb4e0ad4a7da20952ae66c7380a3cdbd1d8474ec7c5cecebc1ad","target":"graph","created_at":"2026-05-18T03:22:53Z","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 present a way to evaluate the scattering of unstable particles quantized in a finite volume with the aim of extracting physical observables for infinite volume from lattice data. We illustrate the method with the $\\pi\\rho$ scattering which generates dynamically the axial-vector $a_1(1260)$ resonance. Energy levels in a finite box are evaluated both considering the $\\rho$ as a stable and unstable resonance and we find significant differences between both cases. We discuss how to solve the problem to get the physical scattering amplitudes in the infinite volume, and hence phase shifts, from p","authors_text":"E. Oset, L. Roca","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-01-02T08:55:29Z","title":"Scattering of unstable particles in a finite volume: the case of pi rho scattering and the a1(1260) resonance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.0438","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":"sha256:9c544c168b6e76eeeda5aea68c926889031829b92653fd616512c82447b45e71","target":"record","created_at":"2026-05-18T03:22:53Z","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":"22f4d87d4a9a83b20a281b2b1c509a4402c24c6834eea623ede36170b3678993","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2012-01-02T08:55:29Z","title_canon_sha256":"f9629fb4bb3949ba5e1bef3d27ea3154a294e024f60d9db1f8a770052afa66e5"},"schema_version":"1.0","source":{"id":"1201.0438","kind":"arxiv","version":1}},"canonical_sha256":"071d9ddb0ab0d5cf41222722b02af84a196364bcc781c8a06b622e985313ddc6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"071d9ddb0ab0d5cf41222722b02af84a196364bcc781c8a06b622e985313ddc6","first_computed_at":"2026-05-18T03:22:53.497328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:53.497328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iUWqy+9iQb0sPVu/zKcvyqTsjwg+r8wRj6Hy3U+6VGhknPQMKChtmHoB8ln33Jh3BYMJHCKMVV/88xcGiUeJAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:53.497934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.0438","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c544c168b6e76eeeda5aea68c926889031829b92653fd616512c82447b45e71","sha256:818c6e26d14dcb4e0ad4a7da20952ae66c7380a3cdbd1d8474ec7c5cecebc1ad"],"state_sha256":"30dc5e3a47298d16153d93c6b950dae6802f8cca9c1c475dc397e532682dc438"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CPWPsJWuJxwc2EIohU6nP4fJWvtv3UTCMckXDdlvF17xlRl4HdWmt2Qz5qSwFxzKKW5zNupdH+5lN3Ujqc5sDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T14:02:26.069449Z","bundle_sha256":"809fd0959c246e6078893c212788f8cfb9ad405e14dd43750b63cb42268c45e1"}}