{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:QGNEMN4FQ2CUCZCJ565HDCX6ZN","short_pith_number":"pith:QGNEMN4F","canonical_record":{"source":{"id":"1504.05131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-04-20T17:37:17Z","cross_cats_sorted":[],"title_canon_sha256":"65940e51b5f4d101981b852932e478f429fa34cc9bd53d0c1b1c4f447a3fc50e","abstract_canon_sha256":"aaa093705f803b4cafe539ac95fdc4de24b1344802da6d276038b6e949c8c84a"},"schema_version":"1.0"},"canonical_sha256":"819a4637858685416449efba718afecb7829c3734f803a68c6ff0581fac505f0","source":{"kind":"arxiv","id":"1504.05131","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05131","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05131v1","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05131","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"pith_short_12","alias_value":"QGNEMN4FQ2CU","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QGNEMN4FQ2CUCZCJ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QGNEMN4F","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:QGNEMN4FQ2CUCZCJ565HDCX6ZN","target":"record","payload":{"canonical_record":{"source":{"id":"1504.05131","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-04-20T17:37:17Z","cross_cats_sorted":[],"title_canon_sha256":"65940e51b5f4d101981b852932e478f429fa34cc9bd53d0c1b1c4f447a3fc50e","abstract_canon_sha256":"aaa093705f803b4cafe539ac95fdc4de24b1344802da6d276038b6e949c8c84a"},"schema_version":"1.0"},"canonical_sha256":"819a4637858685416449efba718afecb7829c3734f803a68c6ff0581fac505f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:23.495478Z","signature_b64":"YNkQrGrCLCD6rB62ntVKQZcn5hkxcAwnsPpX9Pq0v7gRHczLeZ2satTxp1d9H9mhMO/zE2jCHG93hvhhCq/ZDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"819a4637858685416449efba718afecb7829c3734f803a68c6ff0581fac505f0","last_reissued_at":"2026-05-18T01:34:23.494802Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:23.494802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.05131","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":"2026-05-18T01:34:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CeFT/+Y+xLnCChzJWzowcS918KCdHkXYMZOJRQLEwC7cSRK63MbKbfccKWqeNioSvujaJavUB7zo+tBNfBzJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T16:41:15.299881Z"},"content_sha256":"6dc989263e1b2260cca1dbf5d61fcbd9f9673b583939fb165dfffe23e921e6be","schema_version":"1.0","event_id":"sha256:6dc989263e1b2260cca1dbf5d61fcbd9f9673b583939fb165dfffe23e921e6be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:QGNEMN4FQ2CUCZCJ565HDCX6ZN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three-pion exchange nucleon-nucleon potentials with virtual $\\Delta$-isobar excitation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"N. Kaiser","submitted_at":"2015-04-20T17:37:17Z","abstract_excerpt":"The nucleon-nucleon interaction arising from the exchange of three pions and the excitation of $\\Delta(1232)$-isobars in intermediate states is studied. Approximating the $\\Delta$-propagator by the inverse $\\Delta$N mass-splitting, analytical expressions are derived for the spectral-functions of the isoscalar and isovector central, spin-spin and tensor NN-potentials in momentum-space. A trans- lation of the spectral-functions into coordinate-space potentials reveals that the main effect of these specific exchange and excitation mechanisms is a repulsive isoscalar central NN-potential."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05131","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":"2026-05-18T01:34:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NUQHP5PgqezLJix9NdtaJH32R24Kz7y+HTWc024KwVHv1NPfunJKTcxs9O01hUk4TSQ2vjCp3j/j7XTqFro7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T16:41:15.300662Z"},"content_sha256":"90b907f30b15e6482a8f0ae65b98b219bb7f6fd94bbdd1b139a22a41b6651565","schema_version":"1.0","event_id":"sha256:90b907f30b15e6482a8f0ae65b98b219bb7f6fd94bbdd1b139a22a41b6651565"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN/bundle.json","state_url":"https://pith.science/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN/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":"2026-08-20T16:41:15Z","links":{"resolver":"https://pith.science/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN","bundle":"https://pith.science/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN/bundle.json","state":"https://pith.science/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGNEMN4FQ2CUCZCJ565HDCX6ZN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QGNEMN4FQ2CUCZCJ565HDCX6ZN","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":"aaa093705f803b4cafe539ac95fdc4de24b1344802da6d276038b6e949c8c84a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-04-20T17:37:17Z","title_canon_sha256":"65940e51b5f4d101981b852932e478f429fa34cc9bd53d0c1b1c4f447a3fc50e"},"schema_version":"1.0","source":{"id":"1504.05131","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05131","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05131v1","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05131","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"pith_short_12","alias_value":"QGNEMN4FQ2CU","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"QGNEMN4FQ2CUCZCJ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"QGNEMN4F","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:90b907f30b15e6482a8f0ae65b98b219bb7f6fd94bbdd1b139a22a41b6651565","target":"graph","created_at":"2026-05-18T01:34:23Z","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 nucleon-nucleon interaction arising from the exchange of three pions and the excitation of $\\Delta(1232)$-isobars in intermediate states is studied. Approximating the $\\Delta$-propagator by the inverse $\\Delta$N mass-splitting, analytical expressions are derived for the spectral-functions of the isoscalar and isovector central, spin-spin and tensor NN-potentials in momentum-space. A trans- lation of the spectral-functions into coordinate-space potentials reveals that the main effect of these specific exchange and excitation mechanisms is a repulsive isoscalar central NN-potential.","authors_text":"N. Kaiser","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-04-20T17:37:17Z","title":"Three-pion exchange nucleon-nucleon potentials with virtual $\\Delta$-isobar excitation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05131","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":"sha256:6dc989263e1b2260cca1dbf5d61fcbd9f9673b583939fb165dfffe23e921e6be","target":"record","created_at":"2026-05-18T01:34:23Z","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":"aaa093705f803b4cafe539ac95fdc4de24b1344802da6d276038b6e949c8c84a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2015-04-20T17:37:17Z","title_canon_sha256":"65940e51b5f4d101981b852932e478f429fa34cc9bd53d0c1b1c4f447a3fc50e"},"schema_version":"1.0","source":{"id":"1504.05131","kind":"arxiv","version":1}},"canonical_sha256":"819a4637858685416449efba718afecb7829c3734f803a68c6ff0581fac505f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"819a4637858685416449efba718afecb7829c3734f803a68c6ff0581fac505f0","first_computed_at":"2026-05-18T01:34:23.494802Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:23.494802Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YNkQrGrCLCD6rB62ntVKQZcn5hkxcAwnsPpX9Pq0v7gRHczLeZ2satTxp1d9H9mhMO/zE2jCHG93hvhhCq/ZDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:23.495478Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.05131","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dc989263e1b2260cca1dbf5d61fcbd9f9673b583939fb165dfffe23e921e6be","sha256:90b907f30b15e6482a8f0ae65b98b219bb7f6fd94bbdd1b139a22a41b6651565"],"state_sha256":"21dc5fb2c632f850d2badde90fa3b6517653cf1a1c35cdb8571680ad243a21af"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7S94+Je8+q5Vod++y3HpEYRE18/qxiMeUVm8JFC/MylMYMua1PbaBpc7mZRa7sIdgKL7xZ+Hpfi1UFOBsZJDDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T16:41:15.307957Z","bundle_sha256":"c19020c406f427a20a9b1843e05e6919b8048f0fee2b3bbf839a5ba970e707c1"}}