{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:UFPNYYHV2FMN7UZSCND5W6QBIH","short_pith_number":"pith:UFPNYYHV","canonical_record":{"source":{"id":"1001.5083","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-01-28T02:11:06Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"fc13f744c1afb3ad01ba2894c503da9812bdaaa5abcad08f24342b0b6ebce8e5","abstract_canon_sha256":"ec750512508c9411b4c8b9b3900dacc2071e53301d9be608a031b35a078c9450"},"schema_version":"1.0"},"canonical_sha256":"a15edc60f5d158dfd3321347db7a0141de04ac83847b9fbf53d1713e73b9baa0","source":{"kind":"arxiv","id":"1001.5083","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.5083","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"1001.5083v2","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.5083","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"UFPNYYHV2FMN","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UFPNYYHV2FMN7UZS","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UFPNYYHV","created_at":"2026-05-18T12:26:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:UFPNYYHV2FMN7UZSCND5W6QBIH","target":"record","payload":{"canonical_record":{"source":{"id":"1001.5083","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-01-28T02:11:06Z","cross_cats_sorted":["hep-ph","nucl-ex"],"title_canon_sha256":"fc13f744c1afb3ad01ba2894c503da9812bdaaa5abcad08f24342b0b6ebce8e5","abstract_canon_sha256":"ec750512508c9411b4c8b9b3900dacc2071e53301d9be608a031b35a078c9450"},"schema_version":"1.0"},"canonical_sha256":"a15edc60f5d158dfd3321347db7a0141de04ac83847b9fbf53d1713e73b9baa0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:49.064993Z","signature_b64":"AoiL4RvU/GAi6hUCOP15m+7kpsxsruYRbNgBCBEoAjceWlS33iss8RYnwf80YW23017b6Nqzb7Bbr3GuctbCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a15edc60f5d158dfd3321347db7a0141de04ac83847b9fbf53d1713e73b9baa0","last_reissued_at":"2026-05-18T02:33:49.064412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:49.064412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.5083","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R+Clk+jOy88MYmBvEbqOflT6OxWoMRhrgPIK+iJxrYjTwNswFj7IH3d1iOdeubAKGvFVPlpDmrhh5tck4PG0Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T08:35:26.475295Z"},"content_sha256":"ed5953a30b96b948a235b070c6a7d2e69e2cb653a81e605d46dc3eebcd9a7512","schema_version":"1.0","event_id":"sha256:ed5953a30b96b948a235b070c6a7d2e69e2cb653a81e605d46dc3eebcd9a7512"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:UFPNYYHV2FMN7UZSCND5W6QBIH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extraction of P11 resonances from pi N data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-ex"],"primary_cat":"nucl-th","authors_text":"H. Kamano, S. X. Nakamura, T. Sato, T.-S. H. Lee","submitted_at":"2010-01-28T02:11:06Z","abstract_excerpt":"We show that two P11 nucleon resonance poles near the pi Delta threshold, obtained in several analyses, are stable against large variations of parameters within a dynamical coupled-channels analysis based on meson-exchange mechanisms. By also performing an analysis based on a model with a bare nucleon state, we find that this two-pole structure is insensitive to the analytic structure of the amplitude in the region below pi N threshold. Our results are M_pole = (1363^{+9}_{-6} -i79^{+3}_{-5}) MeV and (1373^{+12}_{-10} -i114^{+14}_{-9}) MeV. We also demonstrate that the number of poles in the 1"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.5083","kind":"arxiv","version":2},"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":"2026-05-18T02:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6RSVQ3UIfuHotuzRDbAP2wm1J2gJoKIB8U0J+v8erGWjUDnSK1NgmAzp9DDOIhV9s5EhLZut818+QtWLJKCyDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T08:35:26.475681Z"},"content_sha256":"44bd132236f3192e5870b6426c3f444cb74f8f5dfbfa1874154818ecfdbb2880","schema_version":"1.0","event_id":"sha256:44bd132236f3192e5870b6426c3f444cb74f8f5dfbfa1874154818ecfdbb2880"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UFPNYYHV2FMN7UZSCND5W6QBIH/bundle.json","state_url":"https://pith.science/pith/UFPNYYHV2FMN7UZSCND5W6QBIH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UFPNYYHV2FMN7UZSCND5W6QBIH/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":"2026-06-02T08:35:26Z","links":{"resolver":"https://pith.science/pith/UFPNYYHV2FMN7UZSCND5W6QBIH","bundle":"https://pith.science/pith/UFPNYYHV2FMN7UZSCND5W6QBIH/bundle.json","state":"https://pith.science/pith/UFPNYYHV2FMN7UZSCND5W6QBIH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UFPNYYHV2FMN7UZSCND5W6QBIH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:UFPNYYHV2FMN7UZSCND5W6QBIH","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":"ec750512508c9411b4c8b9b3900dacc2071e53301d9be608a031b35a078c9450","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-01-28T02:11:06Z","title_canon_sha256":"fc13f744c1afb3ad01ba2894c503da9812bdaaa5abcad08f24342b0b6ebce8e5"},"schema_version":"1.0","source":{"id":"1001.5083","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.5083","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"1001.5083v2","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.5083","created_at":"2026-05-18T02:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"UFPNYYHV2FMN","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_16","alias_value":"UFPNYYHV2FMN7UZS","created_at":"2026-05-18T12:26:15Z"},{"alias_kind":"pith_short_8","alias_value":"UFPNYYHV","created_at":"2026-05-18T12:26:15Z"}],"graph_snapshots":[{"event_id":"sha256:44bd132236f3192e5870b6426c3f444cb74f8f5dfbfa1874154818ecfdbb2880","target":"graph","created_at":"2026-05-18T02:33:49Z","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 show that two P11 nucleon resonance poles near the pi Delta threshold, obtained in several analyses, are stable against large variations of parameters within a dynamical coupled-channels analysis based on meson-exchange mechanisms. By also performing an analysis based on a model with a bare nucleon state, we find that this two-pole structure is insensitive to the analytic structure of the amplitude in the region below pi N threshold. Our results are M_pole = (1363^{+9}_{-6} -i79^{+3}_{-5}) MeV and (1373^{+12}_{-10} -i114^{+14}_{-9}) MeV. We also demonstrate that the number of poles in the 1","authors_text":"H. Kamano, S. X. Nakamura, T. Sato, T.-S. H. Lee","cross_cats":["hep-ph","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-01-28T02:11:06Z","title":"Extraction of P11 resonances from pi N data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.5083","kind":"arxiv","version":2},"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:ed5953a30b96b948a235b070c6a7d2e69e2cb653a81e605d46dc3eebcd9a7512","target":"record","created_at":"2026-05-18T02:33:49Z","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":"ec750512508c9411b4c8b9b3900dacc2071e53301d9be608a031b35a078c9450","cross_cats_sorted":["hep-ph","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-01-28T02:11:06Z","title_canon_sha256":"fc13f744c1afb3ad01ba2894c503da9812bdaaa5abcad08f24342b0b6ebce8e5"},"schema_version":"1.0","source":{"id":"1001.5083","kind":"arxiv","version":2}},"canonical_sha256":"a15edc60f5d158dfd3321347db7a0141de04ac83847b9fbf53d1713e73b9baa0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a15edc60f5d158dfd3321347db7a0141de04ac83847b9fbf53d1713e73b9baa0","first_computed_at":"2026-05-18T02:33:49.064412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:49.064412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AoiL4RvU/GAi6hUCOP15m+7kpsxsruYRbNgBCBEoAjceWlS33iss8RYnwf80YW23017b6Nqzb7Bbr3GuctbCBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:49.064993Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.5083","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed5953a30b96b948a235b070c6a7d2e69e2cb653a81e605d46dc3eebcd9a7512","sha256:44bd132236f3192e5870b6426c3f444cb74f8f5dfbfa1874154818ecfdbb2880"],"state_sha256":"7294f76c69f94dd7e145a38760358a519dfa94866bb9b6ce9a54399c3beb0041"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/eapCtskikfmQ5c/bIBnM/2xc5UFxuKuUacdQV/eqJngirhc4VCKmJUkghSLgnOPyYbnZGaNKYmfLCGjMO16Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T08:35:26.477732Z","bundle_sha256":"d16f2438d951897fac4536cecc9e41bced2944e9e7f35fe247d8b309b94d6a16"}}