{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:EHOPWE73PEC3XD3EBZWUKFDRWT","short_pith_number":"pith:EHOPWE73","canonical_record":{"source":{"id":"nucl-th/0008063","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2000-08-30T19:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"1bf37a61ae14d776befbcd9742c4ecab6ae8696a4955eae5c4fa128f080bc838","abstract_canon_sha256":"24c2394d99f1e856ab5ca3fd845ffe98c04784add0890fa9aaa8fb474609db64"},"schema_version":"1.0"},"canonical_sha256":"21dcfb13fb7905bb8f640e6d451471b4d431eb9ec5df8d2cef36f56064d3637c","source":{"kind":"arxiv","id":"nucl-th/0008063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0008063","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0008063v1","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0008063","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"pith_short_12","alias_value":"EHOPWE73PEC3","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"EHOPWE73PEC3XD3E","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"EHOPWE73","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:EHOPWE73PEC3XD3EBZWUKFDRWT","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0008063","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2000-08-30T19:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"1bf37a61ae14d776befbcd9742c4ecab6ae8696a4955eae5c4fa128f080bc838","abstract_canon_sha256":"24c2394d99f1e856ab5ca3fd845ffe98c04784add0890fa9aaa8fb474609db64"},"schema_version":"1.0"},"canonical_sha256":"21dcfb13fb7905bb8f640e6d451471b4d431eb9ec5df8d2cef36f56064d3637c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:07.702526Z","signature_b64":"blfY0iSOJ7ZTvCIqUJq7xEKiOpXW/1HD6uroKmhMl6ECrRIsatYYvJnnTfxu/FSCpqInBGZ74KlUEvYD2glSBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21dcfb13fb7905bb8f640e6d451471b4d431eb9ec5df8d2cef36f56064d3637c","last_reissued_at":"2026-05-18T00:37:07.701873Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:07.701873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0008063","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":"2026-05-18T00:37:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1FtdAnC1jebatfjZhDVAuhPH8dIpeAY6cvOLVmQescfRj8RlrTNgnHSKMx5mrRqnLoe6y5gQA/OHRYixt8yuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:39:32.786998Z"},"content_sha256":"c1a2c980f76aed6980b46d559631055d79cdcb5e4d631af465cf7129b45f39aa","schema_version":"1.0","event_id":"sha256:c1a2c980f76aed6980b46d559631055d79cdcb5e4d631af465cf7129b45f39aa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:EHOPWE73PEC3XD3EBZWUKFDRWT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\pi-N$ from an Extended Effective Field Theory","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"P.J. Ellis (University of Minnesota)","submitted_at":"2000-08-30T19:12:03Z","abstract_excerpt":"Third order chiral perturbation theory accounts for the $\\pi-N$ scattering phase shift data out to energies slightly below the position of the $\\Delta$ resonance. The low energy constants are not accurately determined. Explicit inclusion of the $\\Delta$ field is favored."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0008063","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":"2026-05-18T00:37:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lkIqRz3A5olEy0oUI6gs2s6qc25qKni7TbPZ5rRRTRtQ2PZVm7OLaBGwuOfq04mrvnpcfvPHXp14feGD3irJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:39:32.787342Z"},"content_sha256":"fbdaae96e83a2c5397556782767f2ce15ab5797fd87adab391a6d9999b7475bf","schema_version":"1.0","event_id":"sha256:fbdaae96e83a2c5397556782767f2ce15ab5797fd87adab391a6d9999b7475bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EHOPWE73PEC3XD3EBZWUKFDRWT/bundle.json","state_url":"https://pith.science/pith/EHOPWE73PEC3XD3EBZWUKFDRWT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EHOPWE73PEC3XD3EBZWUKFDRWT/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":"2026-05-28T09:39:32Z","links":{"resolver":"https://pith.science/pith/EHOPWE73PEC3XD3EBZWUKFDRWT","bundle":"https://pith.science/pith/EHOPWE73PEC3XD3EBZWUKFDRWT/bundle.json","state":"https://pith.science/pith/EHOPWE73PEC3XD3EBZWUKFDRWT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EHOPWE73PEC3XD3EBZWUKFDRWT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:EHOPWE73PEC3XD3EBZWUKFDRWT","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":"24c2394d99f1e856ab5ca3fd845ffe98c04784add0890fa9aaa8fb474609db64","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2000-08-30T19:12:03Z","title_canon_sha256":"1bf37a61ae14d776befbcd9742c4ecab6ae8696a4955eae5c4fa128f080bc838"},"schema_version":"1.0","source":{"id":"nucl-th/0008063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0008063","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0008063v1","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0008063","created_at":"2026-05-18T00:37:07Z"},{"alias_kind":"pith_short_12","alias_value":"EHOPWE73PEC3","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"EHOPWE73PEC3XD3E","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"EHOPWE73","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:fbdaae96e83a2c5397556782767f2ce15ab5797fd87adab391a6d9999b7475bf","target":"graph","created_at":"2026-05-18T00:37:07Z","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":"Third order chiral perturbation theory accounts for the $\\pi-N$ scattering phase shift data out to energies slightly below the position of the $\\Delta$ resonance. The low energy constants are not accurately determined. Explicit inclusion of the $\\Delta$ field is favored.","authors_text":"P.J. Ellis (University of Minnesota)","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2000-08-30T19:12:03Z","title":"$\\pi-N$ from an Extended Effective Field Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0008063","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:c1a2c980f76aed6980b46d559631055d79cdcb5e4d631af465cf7129b45f39aa","target":"record","created_at":"2026-05-18T00:37:07Z","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":"24c2394d99f1e856ab5ca3fd845ffe98c04784add0890fa9aaa8fb474609db64","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2000-08-30T19:12:03Z","title_canon_sha256":"1bf37a61ae14d776befbcd9742c4ecab6ae8696a4955eae5c4fa128f080bc838"},"schema_version":"1.0","source":{"id":"nucl-th/0008063","kind":"arxiv","version":1}},"canonical_sha256":"21dcfb13fb7905bb8f640e6d451471b4d431eb9ec5df8d2cef36f56064d3637c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21dcfb13fb7905bb8f640e6d451471b4d431eb9ec5df8d2cef36f56064d3637c","first_computed_at":"2026-05-18T00:37:07.701873Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:07.701873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"blfY0iSOJ7ZTvCIqUJq7xEKiOpXW/1HD6uroKmhMl6ECrRIsatYYvJnnTfxu/FSCpqInBGZ74KlUEvYD2glSBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:07.702526Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0008063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1a2c980f76aed6980b46d559631055d79cdcb5e4d631af465cf7129b45f39aa","sha256:fbdaae96e83a2c5397556782767f2ce15ab5797fd87adab391a6d9999b7475bf"],"state_sha256":"e40137f4556c183c3d12f1f516d86079c6ca411a6dfa3f364639995e56b9c693"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tKa7VLCgebSo96khrdqoypXzJj6V/Q1zLLqXCFjWlfk847Knqzy3EuEm67B9/afY8TsKZuo73ouzPEfN7PXmAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:39:32.789219Z","bundle_sha256":"e160b422396a185860fdb0f84fbe20db9a3c00fb3a36890d05d56898b555711b"}}