{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:35IICR4SM4W4UTAULWTLN5UOUQ","short_pith_number":"pith:35IICR4S","canonical_record":{"source":{"id":"1208.6541","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-31T16:36:04Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"afcdcbd1f5467085cd307c52d353f84fa901adca1b22657126fdb53418a8723f","abstract_canon_sha256":"4fa5ff9d3b7c07c696dbab824f17c95698a7bb968c1275cb86886a54f28165d5"},"schema_version":"1.0"},"canonical_sha256":"df50814792672dca4c145da6b6f68ea42124574897d923c8ae3230bbd6265d3a","source":{"kind":"arxiv","id":"1208.6541","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6541","created_at":"2026-05-18T03:40:13Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6541v2","created_at":"2026-05-18T03:40:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6541","created_at":"2026-05-18T03:40:13Z"},{"alias_kind":"pith_short_12","alias_value":"35IICR4SM4W4","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"35IICR4SM4W4UTAU","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"35IICR4S","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:35IICR4SM4W4UTAULWTLN5UOUQ","target":"record","payload":{"canonical_record":{"source":{"id":"1208.6541","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-31T16:36:04Z","cross_cats_sorted":["hep-ex","nucl-th"],"title_canon_sha256":"afcdcbd1f5467085cd307c52d353f84fa901adca1b22657126fdb53418a8723f","abstract_canon_sha256":"4fa5ff9d3b7c07c696dbab824f17c95698a7bb968c1275cb86886a54f28165d5"},"schema_version":"1.0"},"canonical_sha256":"df50814792672dca4c145da6b6f68ea42124574897d923c8ae3230bbd6265d3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:40:13.885107Z","signature_b64":"G8CNkqnd23i/DpzjlMEpkew6DNE74iWBLx4EzmDIUy9MP+antE3/8W7PnDf0amrMX2+YmLDzsCAnCIwKnNWNAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df50814792672dca4c145da6b6f68ea42124574897d923c8ae3230bbd6265d3a","last_reissued_at":"2026-05-18T03:40:13.884427Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:40:13.884427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.6541","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":"2026-05-18T03:40:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"86vPqzoTKTDeNkaiZXn3s+lhLLeZ+E2EAJupMrAe4JCrQ+8nfYNpaRelBdw27r5UOgzVcOtt+AecD3ni/UVmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:23:53.382650Z"},"content_sha256":"cfd4b410f934c9bcb4cadf8de35765f6934f82e1987f685bde84411c02e19779","schema_version":"1.0","event_id":"sha256:cfd4b410f934c9bcb4cadf8de35765f6934f82e1987f685bde84411c02e19779"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:35IICR4SM4W4UTAULWTLN5UOUQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear Shadowing in Electro-Weak Interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"B. Z. Kopeliovich, Ivan Schmidt, J. G. Morfin","submitted_at":"2012-08-31T16:36:04Z","abstract_excerpt":"Shadowing is a quantum phenomenon leading to a non-additivity of electroweak cross sections on nucleons bound in a nucleus. It occurs due to destructive interference of amplitudes on different nucleons. Although the current experimental evidence for shadowing is dominated by charged-lepton nucleus scattering, studies of neutrino nucleus scattering have recently begun and revealed unexpected results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6541","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":"2026-05-18T03:40:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SpNA1jNHYaVvLFarhxLTyP6sE+lwIMuZhVgt6eIzIbQ+SLeFt+12Apr1PcNmzyvQkUhw6KLt1gQtbzw+PHfIBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:23:53.383269Z"},"content_sha256":"61718a0927aeddc29ee8b340544ea42d41762eba963c9ee0d084880aecdcb13b","schema_version":"1.0","event_id":"sha256:61718a0927aeddc29ee8b340544ea42d41762eba963c9ee0d084880aecdcb13b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/35IICR4SM4W4UTAULWTLN5UOUQ/bundle.json","state_url":"https://pith.science/pith/35IICR4SM4W4UTAULWTLN5UOUQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/35IICR4SM4W4UTAULWTLN5UOUQ/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":"2026-05-27T22:23:53Z","links":{"resolver":"https://pith.science/pith/35IICR4SM4W4UTAULWTLN5UOUQ","bundle":"https://pith.science/pith/35IICR4SM4W4UTAULWTLN5UOUQ/bundle.json","state":"https://pith.science/pith/35IICR4SM4W4UTAULWTLN5UOUQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/35IICR4SM4W4UTAULWTLN5UOUQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:35IICR4SM4W4UTAULWTLN5UOUQ","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":"4fa5ff9d3b7c07c696dbab824f17c95698a7bb968c1275cb86886a54f28165d5","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-31T16:36:04Z","title_canon_sha256":"afcdcbd1f5467085cd307c52d353f84fa901adca1b22657126fdb53418a8723f"},"schema_version":"1.0","source":{"id":"1208.6541","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.6541","created_at":"2026-05-18T03:40:13Z"},{"alias_kind":"arxiv_version","alias_value":"1208.6541v2","created_at":"2026-05-18T03:40:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.6541","created_at":"2026-05-18T03:40:13Z"},{"alias_kind":"pith_short_12","alias_value":"35IICR4SM4W4","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"35IICR4SM4W4UTAU","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"35IICR4S","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:61718a0927aeddc29ee8b340544ea42d41762eba963c9ee0d084880aecdcb13b","target":"graph","created_at":"2026-05-18T03:40:13Z","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":"Shadowing is a quantum phenomenon leading to a non-additivity of electroweak cross sections on nucleons bound in a nucleus. It occurs due to destructive interference of amplitudes on different nucleons. Although the current experimental evidence for shadowing is dominated by charged-lepton nucleus scattering, studies of neutrino nucleus scattering have recently begun and revealed unexpected results.","authors_text":"B. Z. Kopeliovich, Ivan Schmidt, J. G. Morfin","cross_cats":["hep-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-31T16:36:04Z","title":"Nuclear Shadowing in Electro-Weak Interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.6541","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:cfd4b410f934c9bcb4cadf8de35765f6934f82e1987f685bde84411c02e19779","target":"record","created_at":"2026-05-18T03:40:13Z","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":"4fa5ff9d3b7c07c696dbab824f17c95698a7bb968c1275cb86886a54f28165d5","cross_cats_sorted":["hep-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-08-31T16:36:04Z","title_canon_sha256":"afcdcbd1f5467085cd307c52d353f84fa901adca1b22657126fdb53418a8723f"},"schema_version":"1.0","source":{"id":"1208.6541","kind":"arxiv","version":2}},"canonical_sha256":"df50814792672dca4c145da6b6f68ea42124574897d923c8ae3230bbd6265d3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df50814792672dca4c145da6b6f68ea42124574897d923c8ae3230bbd6265d3a","first_computed_at":"2026-05-18T03:40:13.884427Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:40:13.884427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G8CNkqnd23i/DpzjlMEpkew6DNE74iWBLx4EzmDIUy9MP+antE3/8W7PnDf0amrMX2+YmLDzsCAnCIwKnNWNAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:40:13.885107Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.6541","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cfd4b410f934c9bcb4cadf8de35765f6934f82e1987f685bde84411c02e19779","sha256:61718a0927aeddc29ee8b340544ea42d41762eba963c9ee0d084880aecdcb13b"],"state_sha256":"08d5e720f1a2ab401d1c9345deffa5c688cbb9b0289b623d0a5890f2f1bc4d25"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d4neeILYF/08nKOOxYBW9krMSm0VYCa3SpyNR62zaOfUp2iOuGpOR3B8Dh9jeUKbK3frIlXeEs1EYLIC7b39Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:23:53.386707Z","bundle_sha256":"9e55b34a3988ab9b676a89b9eacd4db972bfb6c7b1b26c223807ddde18f1664b"}}