{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:BPUCIAPQD55742TTQEC6VREHDC","short_pith_number":"pith:BPUCIAPQ","canonical_record":{"source":{"id":"nucl-th/0204021","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2002-04-08T11:31:19Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c0bdf2d087ed832e01d86de91e1fbb2488f702eba771555c720dec5dfa263c1a","abstract_canon_sha256":"bb9da02fbf56e6bf067560419c863e7e3e504d44f7b15cd3ae26c94dc14f3289"},"schema_version":"1.0"},"canonical_sha256":"0be82401f01f7bfe6a738105eac48718861db3799afa6885463412dd01d8370b","source":{"kind":"arxiv","id":"nucl-th/0204021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0204021","created_at":"2026-05-18T00:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0204021v1","created_at":"2026-05-18T00:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0204021","created_at":"2026-05-18T00:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"BPUCIAPQD557","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"BPUCIAPQD55742TT","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"BPUCIAPQ","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:BPUCIAPQD55742TTQEC6VREHDC","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-th/0204021","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"2002-04-08T11:31:19Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"c0bdf2d087ed832e01d86de91e1fbb2488f702eba771555c720dec5dfa263c1a","abstract_canon_sha256":"bb9da02fbf56e6bf067560419c863e7e3e504d44f7b15cd3ae26c94dc14f3289"},"schema_version":"1.0"},"canonical_sha256":"0be82401f01f7bfe6a738105eac48718861db3799afa6885463412dd01d8370b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:52.924301Z","signature_b64":"zsTVR5Xl8rYvQZcAkOOE+ycRDaf+utw7yG5ya2PG7vnFGBUzS8/MMPx2SwVVT5TZQFgrNOE3lahqrneqWLWpBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0be82401f01f7bfe6a738105eac48718861db3799afa6885463412dd01d8370b","last_reissued_at":"2026-05-18T00:36:52.923872Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:52.923872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-th/0204021","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":"2026-05-18T00:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+zvf953DfV2y42sA1fJ9hbmM+1Ys3RzQhSA2CmhLCu3+q48arpbhLRrj4ywPAmGMTKSxjYMfc8Gde7spVdsRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T12:11:57.552630Z"},"content_sha256":"7e3a0f536b0853fd7172c649a9cdbcb89626981019a5c7c829c1199f1e01b0ab","schema_version":"1.0","event_id":"sha256:7e3a0f536b0853fd7172c649a9cdbcb89626981019a5c7c829c1199f1e01b0ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:BPUCIAPQD55742TTQEC6VREHDC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nuclear shadowing and in-medium properties of the rho^0","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"S. Leupold, T. Falter, U. Mosel","submitted_at":"2002-04-08T11:31:19Z","abstract_excerpt":"We explain the early onset of shadowing in nuclear photoabsorption within a multiple scattering approach and discuss its relation to in-medium modifications of the rho^0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0204021","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":"2026-05-18T00:36:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hn5j55ncAHQDM5FMBVCuxFSURvZ5CJLsUkmDAWgi4SLyrI4ivdBL6EYNywyT/fduyjYZBAl/+uOFawww3gYECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T12:11:57.552969Z"},"content_sha256":"64a7e9e00f209f9dda10ff19a6dcbda1331d61b355b1d5227f89c22be7c02166","schema_version":"1.0","event_id":"sha256:64a7e9e00f209f9dda10ff19a6dcbda1331d61b355b1d5227f89c22be7c02166"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPUCIAPQD55742TTQEC6VREHDC/bundle.json","state_url":"https://pith.science/pith/BPUCIAPQD55742TTQEC6VREHDC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPUCIAPQD55742TTQEC6VREHDC/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":"2026-06-08T12:11:57Z","links":{"resolver":"https://pith.science/pith/BPUCIAPQD55742TTQEC6VREHDC","bundle":"https://pith.science/pith/BPUCIAPQD55742TTQEC6VREHDC/bundle.json","state":"https://pith.science/pith/BPUCIAPQD55742TTQEC6VREHDC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPUCIAPQD55742TTQEC6VREHDC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:BPUCIAPQD55742TTQEC6VREHDC","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":"bb9da02fbf56e6bf067560419c863e7e3e504d44f7b15cd3ae26c94dc14f3289","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2002-04-08T11:31:19Z","title_canon_sha256":"c0bdf2d087ed832e01d86de91e1fbb2488f702eba771555c720dec5dfa263c1a"},"schema_version":"1.0","source":{"id":"nucl-th/0204021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/0204021","created_at":"2026-05-18T00:36:52Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/0204021v1","created_at":"2026-05-18T00:36:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/0204021","created_at":"2026-05-18T00:36:52Z"},{"alias_kind":"pith_short_12","alias_value":"BPUCIAPQD557","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"BPUCIAPQD55742TT","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"BPUCIAPQ","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:64a7e9e00f209f9dda10ff19a6dcbda1331d61b355b1d5227f89c22be7c02166","target":"graph","created_at":"2026-05-18T00:36:52Z","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 explain the early onset of shadowing in nuclear photoabsorption within a multiple scattering approach and discuss its relation to in-medium modifications of the rho^0.","authors_text":"S. Leupold, T. Falter, U. Mosel","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"2002-04-08T11:31:19Z","title":"Nuclear shadowing and in-medium properties of the rho^0"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/0204021","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":"sha256:7e3a0f536b0853fd7172c649a9cdbcb89626981019a5c7c829c1199f1e01b0ab","target":"record","created_at":"2026-05-18T00:36:52Z","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":"bb9da02fbf56e6bf067560419c863e7e3e504d44f7b15cd3ae26c94dc14f3289","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"nucl-th","submitted_at":"2002-04-08T11:31:19Z","title_canon_sha256":"c0bdf2d087ed832e01d86de91e1fbb2488f702eba771555c720dec5dfa263c1a"},"schema_version":"1.0","source":{"id":"nucl-th/0204021","kind":"arxiv","version":1}},"canonical_sha256":"0be82401f01f7bfe6a738105eac48718861db3799afa6885463412dd01d8370b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0be82401f01f7bfe6a738105eac48718861db3799afa6885463412dd01d8370b","first_computed_at":"2026-05-18T00:36:52.923872Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:52.923872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zsTVR5Xl8rYvQZcAkOOE+ycRDaf+utw7yG5ya2PG7vnFGBUzS8/MMPx2SwVVT5TZQFgrNOE3lahqrneqWLWpBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:52.924301Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/0204021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e3a0f536b0853fd7172c649a9cdbcb89626981019a5c7c829c1199f1e01b0ab","sha256:64a7e9e00f209f9dda10ff19a6dcbda1331d61b355b1d5227f89c22be7c02166"],"state_sha256":"ba7f66824c367c3e1293dab98743d1f62ce5c0af0abfe8d6b509254686c5fee7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hn23B9jHRk+qZ+YFl7tC8iyN1lyO/ccfIIewold3NWIt1RTdNQzQWb3isv+tQCFhpvXqLJNkDkzJ+bwI8NHSBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T12:11:57.554802Z","bundle_sha256":"76d4104a2677a510b45c34445985234b9857f569f53d43aeb20938e10b1381a2"}}