{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:AWQCMMKY4547R5ZW566R5XQIEZ","short_pith_number":"pith:AWQCMMKY","canonical_record":{"source":{"id":"1209.3067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-14T00:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"eb52095e694717c4a50b7762f241191a1114bd6b41186dda1905389073e937a1","abstract_canon_sha256":"f16122d63f295b496e9ffe8240a7d879652b069e7f3d83a47009127c1d96954d"},"schema_version":"1.0"},"canonical_sha256":"05a0263158e779f8f736efbd1ede0826454a73c8e350e2b92265fe686c058a36","source":{"kind":"arxiv","id":"1209.3067","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.3067","created_at":"2026-05-18T03:45:32Z"},{"alias_kind":"arxiv_version","alias_value":"1209.3067v1","created_at":"2026-05-18T03:45:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.3067","created_at":"2026-05-18T03:45:32Z"},{"alias_kind":"pith_short_12","alias_value":"AWQCMMKY4547","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AWQCMMKY4547R5ZW","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AWQCMMKY","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:AWQCMMKY4547R5ZW566R5XQIEZ","target":"record","payload":{"canonical_record":{"source":{"id":"1209.3067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-14T00:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"eb52095e694717c4a50b7762f241191a1114bd6b41186dda1905389073e937a1","abstract_canon_sha256":"f16122d63f295b496e9ffe8240a7d879652b069e7f3d83a47009127c1d96954d"},"schema_version":"1.0"},"canonical_sha256":"05a0263158e779f8f736efbd1ede0826454a73c8e350e2b92265fe686c058a36","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:45:32.871330Z","signature_b64":"hoQiXAV8+9IuCelRGitk/DrpJom2aV6ozfWSKR1e9HrAcRa1egmRZCq6vZ30LkXBq0rMK91i3pB/o+zbSY5hBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05a0263158e779f8f736efbd1ede0826454a73c8e350e2b92265fe686c058a36","last_reissued_at":"2026-05-18T03:45:32.870768Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:45:32.870768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.3067","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":"2026-05-18T03:45:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TxWljF3oBoQbPN4XYmheim2CFiJNVxNeR6wK+w1BOPCBJRqXBJzOkXXOzFQVhBeAFvSHxiVGmYRm+MuR8AwoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:58:44.699031Z"},"content_sha256":"01c84abf7115cab868d5c812879d84863f14aaab6ec1da8c66eeed76ee0c4ee1","schema_version":"1.0","event_id":"sha256:01c84abf7115cab868d5c812879d84863f14aaab6ec1da8c66eeed76ee0c4ee1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:AWQCMMKY4547R5ZW566R5XQIEZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear Potential with Two Pion Exchange","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Naohiro Kanda, Sachiko Oshima, Takehisa Fujita","submitted_at":"2012-09-14T00:49:44Z","abstract_excerpt":"We carefully calculate the nucleon-nucleon interaction due to two pion exchange processes by properly evaluating the corresponding Feynman diagrams. In the estimation, we have made no approximation, and instead, we carry out the numerical integrations of three Feynman parameters. It is found that the two pion exchange potential gives rise to the attractive force which corresponds to the effective scalar meson with its mass of $m_s\\simeq 4.7 m_\\pi$ and its strength of ${g_s^2\\over 4\\pi}\\simeq 1.45 $. There is a strong isospin dependence of $(\\bm{\\tau}_1\\cdot \\bm{\\tau}_2)^2 $ which cannot be sim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.3067","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":"2026-05-18T03:45:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xtbvCCuOMZif/qtNwZR05aRjdXgGeVp3W/L7MyMfIzeUhSJjI/oMFXh8zOcBu9Y7HM9F4JQEaDQEfjiL4kZyDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:58:44.699607Z"},"content_sha256":"b843d92c8ab43bdd4633ef2f3e222a3dffe621f67c63d476bc449543a822d714","schema_version":"1.0","event_id":"sha256:b843d92c8ab43bdd4633ef2f3e222a3dffe621f67c63d476bc449543a822d714"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AWQCMMKY4547R5ZW566R5XQIEZ/bundle.json","state_url":"https://pith.science/pith/AWQCMMKY4547R5ZW566R5XQIEZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AWQCMMKY4547R5ZW566R5XQIEZ/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":"2026-05-27T17:58:44Z","links":{"resolver":"https://pith.science/pith/AWQCMMKY4547R5ZW566R5XQIEZ","bundle":"https://pith.science/pith/AWQCMMKY4547R5ZW566R5XQIEZ/bundle.json","state":"https://pith.science/pith/AWQCMMKY4547R5ZW566R5XQIEZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AWQCMMKY4547R5ZW566R5XQIEZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:AWQCMMKY4547R5ZW566R5XQIEZ","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":"f16122d63f295b496e9ffe8240a7d879652b069e7f3d83a47009127c1d96954d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-14T00:49:44Z","title_canon_sha256":"eb52095e694717c4a50b7762f241191a1114bd6b41186dda1905389073e937a1"},"schema_version":"1.0","source":{"id":"1209.3067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.3067","created_at":"2026-05-18T03:45:32Z"},{"alias_kind":"arxiv_version","alias_value":"1209.3067v1","created_at":"2026-05-18T03:45:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.3067","created_at":"2026-05-18T03:45:32Z"},{"alias_kind":"pith_short_12","alias_value":"AWQCMMKY4547","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AWQCMMKY4547R5ZW","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AWQCMMKY","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:b843d92c8ab43bdd4633ef2f3e222a3dffe621f67c63d476bc449543a822d714","target":"graph","created_at":"2026-05-18T03:45:32Z","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 carefully calculate the nucleon-nucleon interaction due to two pion exchange processes by properly evaluating the corresponding Feynman diagrams. In the estimation, we have made no approximation, and instead, we carry out the numerical integrations of three Feynman parameters. It is found that the two pion exchange potential gives rise to the attractive force which corresponds to the effective scalar meson with its mass of $m_s\\simeq 4.7 m_\\pi$ and its strength of ${g_s^2\\over 4\\pi}\\simeq 1.45 $. There is a strong isospin dependence of $(\\bm{\\tau}_1\\cdot \\bm{\\tau}_2)^2 $ which cannot be sim","authors_text":"Naohiro Kanda, Sachiko Oshima, Takehisa Fujita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-14T00:49:44Z","title":"Nuclear Potential with Two Pion Exchange"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.3067","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":"sha256:01c84abf7115cab868d5c812879d84863f14aaab6ec1da8c66eeed76ee0c4ee1","target":"record","created_at":"2026-05-18T03:45:32Z","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":"f16122d63f295b496e9ffe8240a7d879652b069e7f3d83a47009127c1d96954d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2012-09-14T00:49:44Z","title_canon_sha256":"eb52095e694717c4a50b7762f241191a1114bd6b41186dda1905389073e937a1"},"schema_version":"1.0","source":{"id":"1209.3067","kind":"arxiv","version":1}},"canonical_sha256":"05a0263158e779f8f736efbd1ede0826454a73c8e350e2b92265fe686c058a36","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05a0263158e779f8f736efbd1ede0826454a73c8e350e2b92265fe686c058a36","first_computed_at":"2026-05-18T03:45:32.870768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:32.870768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hoQiXAV8+9IuCelRGitk/DrpJom2aV6ozfWSKR1e9HrAcRa1egmRZCq6vZ30LkXBq0rMK91i3pB/o+zbSY5hBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:32.871330Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.3067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01c84abf7115cab868d5c812879d84863f14aaab6ec1da8c66eeed76ee0c4ee1","sha256:b843d92c8ab43bdd4633ef2f3e222a3dffe621f67c63d476bc449543a822d714"],"state_sha256":"e79ff318270d73ca3f78ad96a8cf8601ba2eaba767b8e9bc4877fec4a8180867"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9E0lp40vV9Sasou8Z1Y7WEx8tpErNwR8KoLzYnLDpn3NQLRTC1fhW5PtjPEiAY9VKK4aYkpHnQlL7GeU0BC3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:58:44.702238Z","bundle_sha256":"183154dbcb01b6dca426a6203ce8eb0c05ba3176623aad5063e67b2355fe6c92"}}