{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:IKYV4UIFHNVAOYIKYMMGBEJHJQ","short_pith_number":"pith:IKYV4UIF","canonical_record":{"source":{"id":"nucl-th/0312060","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2003-12-16T13:38:01Z","cross_cats_sorted":[],"title_canon_sha256":"84b3f1d6d4bca0864962efd4aabe1af74e7418ccf92a29d099cae85b790db621","abstract_canon_sha256":"8d8ed3d2fd56e7609d761c0ff3bb352e23b7e042451781a003ff3f5c75bf9bd5"},"schema_version":"1.0"},"canonical_sha256":"42b15e51053b6a07610ac3186091274c2e4c406470be3dc260ce349ca9e4d6cb","source":{"kind":"arxiv","id":"nucl-th/0312060","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0312060","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0312060v1","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0312060","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"IKYV4UIFHNVA","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"pith_short_16","alias_value":"IKYV4UIFHNVAOYIK","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"pith_short_8","alias_value":"IKYV4UIF","created_at":"2026-07-04T16:42:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:IKYV4UIFHNVAOYIKYMMGBEJHJQ","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0312060","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2003-12-16T13:38:01Z","cross_cats_sorted":[],"title_canon_sha256":"84b3f1d6d4bca0864962efd4aabe1af74e7418ccf92a29d099cae85b790db621","abstract_canon_sha256":"8d8ed3d2fd56e7609d761c0ff3bb352e23b7e042451781a003ff3f5c75bf9bd5"},"schema_version":"1.0"},"canonical_sha256":"42b15e51053b6a07610ac3186091274c2e4c406470be3dc260ce349ca9e4d6cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:42:03.357460Z","signature_b64":"+sw8msWVc5X0XawK6mEXXQPbtZS0j7KDSZrLwLyRZ/VFevlREcn68vK8aOGj80w20YLDPVpdgTAhhCw7F9v/BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42b15e51053b6a07610ac3186091274c2e4c406470be3dc260ce349ca9e4d6cb","last_reissued_at":"2026-07-04T16:42:03.357112Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:42:03.357112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0312060","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":"2026-07-04T16:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"exSXXzoGibUISVb+/l5Tqta/BgcFPpN7C7WAbaxaxY2EFiQR0aO4eN5eWz2Bpltdl1wqJwLXprotBNLq2XloAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T09:50:22.516282Z"},"content_sha256":"a065b64e3e178f9c86a2cf98f0415328251a560e3def339a19efc811d3fe15c6","schema_version":"1.0","event_id":"sha256:a065b64e3e178f9c86a2cf98f0415328251a560e3def339a19efc811d3fe15c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:IKYV4UIFHNVAOYIKYMMGBEJHJQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Iterated and irreducible pion-photon exchange in nuclei","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"N. Kaiser","submitted_at":"2003-12-16T13:38:01Z","abstract_excerpt":"We calculate the contribution to the nuclear energy density functional which arises from iterated pion-photon exchange between nucleons. In heavy nuclei, this novel charge symmetry breaking interaction leads to an additional binding of each proton by about 0.2 MeV. Compared to that the analogous effect from irreducible pion-photon exchange is negligibly small. As a possible mechanism to resolve the Nolen-Schiffer anomaly we propose the iteration of one-photon exchange with an attractive short-range NN-interaction. The corresponding energy per proton reads: $\\bar E[\\rho_p]=(2\\alpha/15\\pi^2)(\\pi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0312060","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-th/0312060/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+W0ELN/yhX4zpVJKASmaVjlnbRwxveZ0ygykkC2F7QryTbKd/IjYdFTj8oPuXxjH9Mk5MRFm7ppI3rxeDDXrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T09:50:22.516657Z"},"content_sha256":"8cd49682cf8f809f490c2bfd50f26ee20dd3b871164d26fa1fd47b74f7be4123","schema_version":"1.0","event_id":"sha256:8cd49682cf8f809f490c2bfd50f26ee20dd3b871164d26fa1fd47b74f7be4123"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ/bundle.json","state_url":"https://pith.science/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ/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":"2026-08-20T09:50:22Z","links":{"resolver":"https://pith.science/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ","bundle":"https://pith.science/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ/bundle.json","state":"https://pith.science/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKYV4UIFHNVAOYIKYMMGBEJHJQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:IKYV4UIFHNVAOYIKYMMGBEJHJQ","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":"8d8ed3d2fd56e7609d761c0ff3bb352e23b7e042451781a003ff3f5c75bf9bd5","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2003-12-16T13:38:01Z","title_canon_sha256":"84b3f1d6d4bca0864962efd4aabe1af74e7418ccf92a29d099cae85b790db621"},"schema_version":"1.0","source":{"id":"nucl-th/0312060","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0312060","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0312060v1","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0312060","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"IKYV4UIFHNVA","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"pith_short_16","alias_value":"IKYV4UIFHNVAOYIK","created_at":"2026-07-04T16:42:03Z"},{"alias_kind":"pith_short_8","alias_value":"IKYV4UIF","created_at":"2026-07-04T16:42:03Z"}],"graph_snapshots":[{"event_id":"sha256:8cd49682cf8f809f490c2bfd50f26ee20dd3b871164d26fa1fd47b74f7be4123","target":"graph","created_at":"2026-07-04T16:42:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/nucl-th/0312060/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate the contribution to the nuclear energy density functional which arises from iterated pion-photon exchange between nucleons. In heavy nuclei, this novel charge symmetry breaking interaction leads to an additional binding of each proton by about 0.2 MeV. Compared to that the analogous effect from irreducible pion-photon exchange is negligibly small. As a possible mechanism to resolve the Nolen-Schiffer anomaly we propose the iteration of one-photon exchange with an attractive short-range NN-interaction. The corresponding energy per proton reads: $\\bar E[\\rho_p]=(2\\alpha/15\\pi^2)(\\pi","authors_text":"N. Kaiser","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2003-12-16T13:38:01Z","title":"Iterated and irreducible pion-photon exchange in nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0312060","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:a065b64e3e178f9c86a2cf98f0415328251a560e3def339a19efc811d3fe15c6","target":"record","created_at":"2026-07-04T16:42:03Z","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":"8d8ed3d2fd56e7609d761c0ff3bb352e23b7e042451781a003ff3f5c75bf9bd5","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"2003-12-16T13:38:01Z","title_canon_sha256":"84b3f1d6d4bca0864962efd4aabe1af74e7418ccf92a29d099cae85b790db621"},"schema_version":"1.0","source":{"id":"nucl-th/0312060","kind":"arxiv","version":1}},"canonical_sha256":"42b15e51053b6a07610ac3186091274c2e4c406470be3dc260ce349ca9e4d6cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42b15e51053b6a07610ac3186091274c2e4c406470be3dc260ce349ca9e4d6cb","first_computed_at":"2026-07-04T16:42:03.357112Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:42:03.357112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+sw8msWVc5X0XawK6mEXXQPbtZS0j7KDSZrLwLyRZ/VFevlREcn68vK8aOGj80w20YLDPVpdgTAhhCw7F9v/BA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:42:03.357460Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0312060","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a065b64e3e178f9c86a2cf98f0415328251a560e3def339a19efc811d3fe15c6","sha256:8cd49682cf8f809f490c2bfd50f26ee20dd3b871164d26fa1fd47b74f7be4123"],"state_sha256":"85d291730b75797616913db30038e49b95189a59885accbd42c4aeee85e5606a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0YkWmtbGktJyImNdonpWYU7MUPJg33+LPOC5MICM/janSacChI6LC6DoSEwaNJ86beZ/bvyv2Hh2coin3K9pDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T09:50:22.519199Z","bundle_sha256":"f996748ed4f568b17a6ff3522f990fd91780aaf7c4bba7de659dc9f1e82a0fa6"}}