{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:HE36PDNYWRPQ5DY3MZL4WBWQEG","short_pith_number":"pith:HE36PDNY","canonical_record":{"source":{"id":"nucl-th/9502017","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"1995-02-07T10:29:28Z","cross_cats_sorted":[],"title_canon_sha256":"20463e8f952f9cf7ab2b06b2ce2c1d1e95ce65780fbec4592a73d4960267020b","abstract_canon_sha256":"95ec67a523b52eacfbcf5a1b9e37f52cf11b813c72d576eaaa01796bd69c952d"},"schema_version":"1.0"},"canonical_sha256":"3937e78db8b45f0e8f1b6657cb06d0219803acaa918b409961f6ff223d0b7a44","source":{"kind":"arxiv","id":"nucl-th/9502017","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/9502017","created_at":"2026-05-18T01:05:18Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/9502017v2","created_at":"2026-05-18T01:05:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/9502017","created_at":"2026-05-18T01:05:18Z"},{"alias_kind":"pith_short_12","alias_value":"HE36PDNYWRPQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"HE36PDNYWRPQ5DY3","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"HE36PDNY","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:HE36PDNYWRPQ5DY3MZL4WBWQEG","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/9502017","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"1995-02-07T10:29:28Z","cross_cats_sorted":[],"title_canon_sha256":"20463e8f952f9cf7ab2b06b2ce2c1d1e95ce65780fbec4592a73d4960267020b","abstract_canon_sha256":"95ec67a523b52eacfbcf5a1b9e37f52cf11b813c72d576eaaa01796bd69c952d"},"schema_version":"1.0"},"canonical_sha256":"3937e78db8b45f0e8f1b6657cb06d0219803acaa918b409961f6ff223d0b7a44","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:05:18.827666Z","signature_b64":"Ro10X+1OhXDRUxHiwr+yB8c5YQ088PMD9V/kaMeMqMZhN1CMT5Y8WqJzGlKrSMOHvO9OLHo+s682W7HM/bEYBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3937e78db8b45f0e8f1b6657cb06d0219803acaa918b409961f6ff223d0b7a44","last_reissued_at":"2026-05-18T01:05:18.827308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:05:18.827308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/9502017","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":"2026-05-18T01:05:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XByDz5h8JTKMN/J1nN4pTuRj5NujmUYmjwjLVdxQOUCUlPx860T7QWPObZP43h71yh7eOX1RfwPeoTFLY3x8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:34:40.309722Z"},"content_sha256":"30952587eba2670631f865adf39ba8f22c9d7c7a2930ac9f4d12fd2eae505a41","schema_version":"1.0","event_id":"sha256:30952587eba2670631f865adf39ba8f22c9d7c7a2930ac9f4d12fd2eae505a41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:HE36PDNYWRPQ5DY3MZL4WBWQEG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"eta N S-wave scattering length in a three coupled channel, multiresonance, unitary model","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Alfred Svarc, Ivo Slaus, Mijo Batinic","submitted_at":"1995-02-07T10:29:28Z","abstract_excerpt":"The S-wave scattering length for eta-N elastic scattering is extracted from the S-wave T-matrix in a three coupled channel, multiresonance unitary model. Results are compared with values already reported in literature which are obtained applying multichannel, but single resonance -- no background models. A dispersion among the previously published values of the real part of the S-wave scattering length is observed. We demonstrate that the reported spread originates from the strong sensitivity of the scattering length upon the small variation of the used input resonance parameters. In addition,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/9502017","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":"2026-05-18T01:05:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W7fqCgZxeaCmMOtE6boWR68LR2JyAamdMRjcEvozQ29Wlm7crRy+sxkeMv5TVX+0l8f43HT3Bbhu0ijJFkrTBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:34:40.310065Z"},"content_sha256":"66ea0d0493a67ea3d55a160eef8157ed94d9092f9b37d9ac643e8b3442613bab","schema_version":"1.0","event_id":"sha256:66ea0d0493a67ea3d55a160eef8157ed94d9092f9b37d9ac643e8b3442613bab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG/bundle.json","state_url":"https://pith.science/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG/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":"2026-06-02T16:34:40Z","links":{"resolver":"https://pith.science/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG","bundle":"https://pith.science/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG/bundle.json","state":"https://pith.science/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HE36PDNYWRPQ5DY3MZL4WBWQEG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:HE36PDNYWRPQ5DY3MZL4WBWQEG","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":"95ec67a523b52eacfbcf5a1b9e37f52cf11b813c72d576eaaa01796bd69c952d","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"1995-02-07T10:29:28Z","title_canon_sha256":"20463e8f952f9cf7ab2b06b2ce2c1d1e95ce65780fbec4592a73d4960267020b"},"schema_version":"1.0","source":{"id":"nucl-th/9502017","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/9502017","created_at":"2026-05-18T01:05:18Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/9502017v2","created_at":"2026-05-18T01:05:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/9502017","created_at":"2026-05-18T01:05:18Z"},{"alias_kind":"pith_short_12","alias_value":"HE36PDNYWRPQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"HE36PDNYWRPQ5DY3","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"HE36PDNY","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:66ea0d0493a67ea3d55a160eef8157ed94d9092f9b37d9ac643e8b3442613bab","target":"graph","created_at":"2026-05-18T01:05:18Z","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":"The S-wave scattering length for eta-N elastic scattering is extracted from the S-wave T-matrix in a three coupled channel, multiresonance unitary model. Results are compared with values already reported in literature which are obtained applying multichannel, but single resonance -- no background models. A dispersion among the previously published values of the real part of the S-wave scattering length is observed. We demonstrate that the reported spread originates from the strong sensitivity of the scattering length upon the small variation of the used input resonance parameters. In addition,","authors_text":"Alfred Svarc, Ivo Slaus, Mijo Batinic","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"1995-02-07T10:29:28Z","title":"eta N S-wave scattering length in a three coupled channel, multiresonance, unitary model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/9502017","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":"sha256:30952587eba2670631f865adf39ba8f22c9d7c7a2930ac9f4d12fd2eae505a41","target":"record","created_at":"2026-05-18T01:05:18Z","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":"95ec67a523b52eacfbcf5a1b9e37f52cf11b813c72d576eaaa01796bd69c952d","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"1995-02-07T10:29:28Z","title_canon_sha256":"20463e8f952f9cf7ab2b06b2ce2c1d1e95ce65780fbec4592a73d4960267020b"},"schema_version":"1.0","source":{"id":"nucl-th/9502017","kind":"arxiv","version":2}},"canonical_sha256":"3937e78db8b45f0e8f1b6657cb06d0219803acaa918b409961f6ff223d0b7a44","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3937e78db8b45f0e8f1b6657cb06d0219803acaa918b409961f6ff223d0b7a44","first_computed_at":"2026-05-18T01:05:18.827308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:05:18.827308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ro10X+1OhXDRUxHiwr+yB8c5YQ088PMD9V/kaMeMqMZhN1CMT5Y8WqJzGlKrSMOHvO9OLHo+s682W7HM/bEYBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:05:18.827666Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/9502017","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30952587eba2670631f865adf39ba8f22c9d7c7a2930ac9f4d12fd2eae505a41","sha256:66ea0d0493a67ea3d55a160eef8157ed94d9092f9b37d9ac643e8b3442613bab"],"state_sha256":"a86716d0d667e0beaea95c24b65681e8a8b7d7e3f3fc936661cb03737c0a1574"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6bTEb6n+xcW/+h7xmGVvSy1jqQnpgla73xARWynOnDo1RTL9b+m6TC0rUt43KRdRayh+NSI+qe03Yxtu840wDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T16:34:40.312056Z","bundle_sha256":"e1a80d71a0b14e6ffd15c7be690eac6a76e753731f5e351ee766155a6f1d305d"}}