{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:XXUTXIOHI6UKIE6V2G57TLJTMR","short_pith_number":"pith:XXUTXIOH","canonical_record":{"source":{"id":"1011.6510","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-11-30T10:18:03Z","cross_cats_sorted":["physics.atm-clus"],"title_canon_sha256":"6bb8cff223c611e56e8bb9d89e13cb181f039a199eccbb027872f6b9b5b49a91","abstract_canon_sha256":"aee10155d79e0eeff2d77f92b011bba4afb8f285772d68c9a28db36dc4d4ff00"},"schema_version":"1.0"},"canonical_sha256":"bde93ba1c747a8a413d5d1bbf9ad33644d6cd399ba8c0d5818c961ff91c0a427","source":{"kind":"arxiv","id":"1011.6510","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6510","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6510v1","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6510","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"XXUTXIOHI6UK","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XXUTXIOHI6UKIE6V","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XXUTXIOH","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:XXUTXIOHI6UKIE6V2G57TLJTMR","target":"record","payload":{"canonical_record":{"source":{"id":"1011.6510","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-11-30T10:18:03Z","cross_cats_sorted":["physics.atm-clus"],"title_canon_sha256":"6bb8cff223c611e56e8bb9d89e13cb181f039a199eccbb027872f6b9b5b49a91","abstract_canon_sha256":"aee10155d79e0eeff2d77f92b011bba4afb8f285772d68c9a28db36dc4d4ff00"},"schema_version":"1.0"},"canonical_sha256":"bde93ba1c747a8a413d5d1bbf9ad33644d6cd399ba8c0d5818c961ff91c0a427","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:37.369801Z","signature_b64":"gN1o6iYp1a6JTWz5Xgmk06Lgo+EPZiMEAnCq6sHJNqp7c+xbPQMH+LYcN2zQD7qAT32w5rMF054CyoEai0iuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bde93ba1c747a8a413d5d1bbf9ad33644d6cd399ba8c0d5818c961ff91c0a427","last_reissued_at":"2026-05-18T02:04:37.368919Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:37.368919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.6510","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":"2026-05-18T02:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5AfimptMlj3TtBtsja47nntOg/LxMhDXOvI1runrVgDZIyNxwoKqnzH+vxhWIjiI7iZ1BN1bqK7NIEuSKi2NAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:53:44.715589Z"},"content_sha256":"3d08465fcfdfae76297c73934872a25ae5fa2ae23b972dd836613be38b94064b","schema_version":"1.0","event_id":"sha256:3d08465fcfdfae76297c73934872a25ae5fa2ae23b972dd836613be38b94064b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:XXUTXIOHI6UKIE6V2G57TLJTMR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enrichment of the Superheavy Element Rg in Natural Au","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atm-clus"],"primary_cat":"nucl-ex","authors_text":"A. Marinov, A. Pape, D. Kolb, I. Segal, L. Halicz, N. Tepliakov, R. Brandt, Y. Kashiv","submitted_at":"2010-11-30T10:18:03Z","abstract_excerpt":"Based on the observation of the long-lived isotopes 261Rg and 265Rg (Z = 111, t(1/2) >= 10^(8) y) in natural Au, an experiment was performed to enrich Rg in 99.999% Au. 16 mg of Au were heated in vacuum for two weeks at a temperature of 1127 deg. C (63 deg. C above the melting point of Au). The content of 197Au and 261Rg in the residue was studied with high resolution inductively coupled plasma-sector field mass spectrometry (ICP-SFMS). The residue of Au was 3x10^(-6) of its original quantity. The recovery of Rg was a few percent. The abundance of Rg compared to Au in the enriched solution was"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6510","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":"2026-05-18T02:04:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O3n/qRitd+hxz2dkkI/7OAQXbgG3DR4ywM/S3y3fhEBg1MdTUhBGRz6gmBoL/qcr0cdUuxvHqqOVxilRz/owAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T02:53:44.716255Z"},"content_sha256":"a4cf430b7dbc6ebbdc192780865529b04b38f3a5ead0537af8becf6d15e0dd20","schema_version":"1.0","event_id":"sha256:a4cf430b7dbc6ebbdc192780865529b04b38f3a5ead0537af8becf6d15e0dd20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XXUTXIOHI6UKIE6V2G57TLJTMR/bundle.json","state_url":"https://pith.science/pith/XXUTXIOHI6UKIE6V2G57TLJTMR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XXUTXIOHI6UKIE6V2G57TLJTMR/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":"2026-05-26T02:53:44Z","links":{"resolver":"https://pith.science/pith/XXUTXIOHI6UKIE6V2G57TLJTMR","bundle":"https://pith.science/pith/XXUTXIOHI6UKIE6V2G57TLJTMR/bundle.json","state":"https://pith.science/pith/XXUTXIOHI6UKIE6V2G57TLJTMR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XXUTXIOHI6UKIE6V2G57TLJTMR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:XXUTXIOHI6UKIE6V2G57TLJTMR","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":"aee10155d79e0eeff2d77f92b011bba4afb8f285772d68c9a28db36dc4d4ff00","cross_cats_sorted":["physics.atm-clus"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-11-30T10:18:03Z","title_canon_sha256":"6bb8cff223c611e56e8bb9d89e13cb181f039a199eccbb027872f6b9b5b49a91"},"schema_version":"1.0","source":{"id":"1011.6510","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.6510","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"arxiv_version","alias_value":"1011.6510v1","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.6510","created_at":"2026-05-18T02:04:37Z"},{"alias_kind":"pith_short_12","alias_value":"XXUTXIOHI6UK","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XXUTXIOHI6UKIE6V","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XXUTXIOH","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:a4cf430b7dbc6ebbdc192780865529b04b38f3a5ead0537af8becf6d15e0dd20","target":"graph","created_at":"2026-05-18T02:04:37Z","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":"Based on the observation of the long-lived isotopes 261Rg and 265Rg (Z = 111, t(1/2) >= 10^(8) y) in natural Au, an experiment was performed to enrich Rg in 99.999% Au. 16 mg of Au were heated in vacuum for two weeks at a temperature of 1127 deg. C (63 deg. C above the melting point of Au). The content of 197Au and 261Rg in the residue was studied with high resolution inductively coupled plasma-sector field mass spectrometry (ICP-SFMS). The residue of Au was 3x10^(-6) of its original quantity. The recovery of Rg was a few percent. The abundance of Rg compared to Au in the enriched solution was","authors_text":"A. Marinov, A. Pape, D. Kolb, I. Segal, L. Halicz, N. Tepliakov, R. Brandt, Y. Kashiv","cross_cats":["physics.atm-clus"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-11-30T10:18:03Z","title":"Enrichment of the Superheavy Element Rg in Natural Au"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.6510","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":"sha256:3d08465fcfdfae76297c73934872a25ae5fa2ae23b972dd836613be38b94064b","target":"record","created_at":"2026-05-18T02:04:37Z","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":"aee10155d79e0eeff2d77f92b011bba4afb8f285772d68c9a28db36dc4d4ff00","cross_cats_sorted":["physics.atm-clus"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2010-11-30T10:18:03Z","title_canon_sha256":"6bb8cff223c611e56e8bb9d89e13cb181f039a199eccbb027872f6b9b5b49a91"},"schema_version":"1.0","source":{"id":"1011.6510","kind":"arxiv","version":1}},"canonical_sha256":"bde93ba1c747a8a413d5d1bbf9ad33644d6cd399ba8c0d5818c961ff91c0a427","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bde93ba1c747a8a413d5d1bbf9ad33644d6cd399ba8c0d5818c961ff91c0a427","first_computed_at":"2026-05-18T02:04:37.368919Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:37.368919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gN1o6iYp1a6JTWz5Xgmk06Lgo+EPZiMEAnCq6sHJNqp7c+xbPQMH+LYcN2zQD7qAT32w5rMF054CyoEai0iuBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:37.369801Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.6510","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d08465fcfdfae76297c73934872a25ae5fa2ae23b972dd836613be38b94064b","sha256:a4cf430b7dbc6ebbdc192780865529b04b38f3a5ead0537af8becf6d15e0dd20"],"state_sha256":"bcbfbd76b0d646d9f34ff6bb6c9d5d8d5a270b9a7ceaf1f35ffaefd3f36cf31a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ip/ZGQzJp53T5AkWQm27FdQXR7tpMYXWjpkQfbiVQKj2hEvIkapWn0yMyy73E9KIstEkbYpjhIjYnpY1EZOyDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T02:53:44.719970Z","bundle_sha256":"dc79139cdab5fe44b4650a956da24592a4ad2d2689b0465bf94d1ef2713a1020"}}