{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:ROZNKUCW22ZFAQUOCDC4XWAT2V","short_pith_number":"pith:ROZNKUCW","canonical_record":{"source":{"id":"nucl-ex/0206005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2002-06-10T19:12:59Z","cross_cats_sorted":[],"title_canon_sha256":"455595cd8feb221b5d6f8cf5cf037bb976bd525293567ab0a13f0713c7a4c0b1","abstract_canon_sha256":"c18f3b816a7bd4718b4c0dd0073be98015a0347a7602b08bf08d5adcda2a6331"},"schema_version":"1.0"},"canonical_sha256":"8bb2d55056d6b250428e10c5cbd813d574306dcf5a9145479101f3b83ceac447","source":{"kind":"arxiv","id":"nucl-ex/0206005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0206005","created_at":"2026-05-18T01:08:59Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0206005v1","created_at":"2026-05-18T01:08:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0206005","created_at":"2026-05-18T01:08:59Z"},{"alias_kind":"pith_short_12","alias_value":"ROZNKUCW22ZF","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"ROZNKUCW22ZFAQUO","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"ROZNKUCW","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:ROZNKUCW22ZFAQUOCDC4XWAT2V","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/0206005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2002-06-10T19:12:59Z","cross_cats_sorted":[],"title_canon_sha256":"455595cd8feb221b5d6f8cf5cf037bb976bd525293567ab0a13f0713c7a4c0b1","abstract_canon_sha256":"c18f3b816a7bd4718b4c0dd0073be98015a0347a7602b08bf08d5adcda2a6331"},"schema_version":"1.0"},"canonical_sha256":"8bb2d55056d6b250428e10c5cbd813d574306dcf5a9145479101f3b83ceac447","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:59.719073Z","signature_b64":"jpdGFhNN3LkKKnpsXLqom29NVzUaLeQz61HBKpWTkhSErHhbL1YRqDqSZLVxtDSlooWp6MFADY9kzWAFI4rrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8bb2d55056d6b250428e10c5cbd813d574306dcf5a9145479101f3b83ceac447","last_reissued_at":"2026-05-18T01:08:59.718613Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:59.718613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/0206005","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":"2026-05-18T01:08:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+nYsdPy1duhgGOA5ztriCRGNGmeV0eR/L3hoPPRwA5ACnEfmGGl/luHBXHPtxzJa/2RrO4VyQtwZfPuWa4M/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:00:29.600077Z"},"content_sha256":"a4d71600e08586345b85ee00ae3f5418804b0459a9b3f71fc422122c8bc853b3","schema_version":"1.0","event_id":"sha256:a4d71600e08586345b85ee00ae3f5418804b0459a9b3f71fc422122c8bc853b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:ROZNKUCW22ZFAQUOCDC4XWAT2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of Spin Transfer Observables in Antiproton-Proton -> Antilambda-Lambda at 1.637 GeV/c","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Berdoz, A. Meier, A. Metzger, B. Bassalleck, B. Bunker, B. Quinn, B. Schoch, C.A. Meyer, C. Bradtke, D. Fields, D. Hertzog, E. Kriegler, E. Radtke, F.H. Heinsius, F. Stinzing, G. Franklin, G. Reicherz, H. Dennert, H. Dutz, H. Fischer, H. Schmitt, J. Franz, J. Harmsen, J. Hauffe, J. Lowe, K.D. Paschke, K. Kilian, K. R\\\"ohrich, K. Sachs, M. Moosburger, M. Pl\\\"uckthun, P. Khaustov, P. Kingsberry, R. Br\\\"oders, R. Gehring, R. Geyer, R. Stotzer, R. Tayloe, S. Eilerts, S. Goertz, S. Pomp, St. Wirth, T. Johansson, T. Jones, T. Sefzick, W. Eyrich, W. Meyer, W. Oelert","submitted_at":"2002-06-10T19:12:59Z","abstract_excerpt":"Spin transfer observables for the strangeness-production reaction Antiproton-Proton -> Antilambda-Lambda have been measured by the PS185 collaboration using a transversely-polarized frozen-spin target with an antiproton beam momentum of 1.637 GeV/c at the Low Energy Antiproton Ring at CERN. This measurement investigates observables for which current models of the reaction near threshold make significantly differing predictions. Those models are in good agreement with existing measurements performed with unpolarized particles in the initial state. Theoretical attention has focused on the fact t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0206005","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":"2026-05-18T01:08:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tob2XBNpaoa+NCxEUBcCa2PKVHyK7x5k8Ve4cjNZTYlyLHsb/fnxUcpM5/OSd2VYhVTGaDeQ9JEd5MZ3iSucAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:00:29.600788Z"},"content_sha256":"d8aa16b47e6dd2db71ae5b6a932b71aa4645b7624635707a86d980aed1ea287f","schema_version":"1.0","event_id":"sha256:d8aa16b47e6dd2db71ae5b6a932b71aa4645b7624635707a86d980aed1ea287f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V/bundle.json","state_url":"https://pith.science/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V/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":"2026-05-26T13:00:29Z","links":{"resolver":"https://pith.science/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V","bundle":"https://pith.science/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V/bundle.json","state":"https://pith.science/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ROZNKUCW22ZFAQUOCDC4XWAT2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:ROZNKUCW22ZFAQUOCDC4XWAT2V","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":"c18f3b816a7bd4718b4c0dd0073be98015a0347a7602b08bf08d5adcda2a6331","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2002-06-10T19:12:59Z","title_canon_sha256":"455595cd8feb221b5d6f8cf5cf037bb976bd525293567ab0a13f0713c7a4c0b1"},"schema_version":"1.0","source":{"id":"nucl-ex/0206005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0206005","created_at":"2026-05-18T01:08:59Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0206005v1","created_at":"2026-05-18T01:08:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0206005","created_at":"2026-05-18T01:08:59Z"},{"alias_kind":"pith_short_12","alias_value":"ROZNKUCW22ZF","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"ROZNKUCW22ZFAQUO","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"ROZNKUCW","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:d8aa16b47e6dd2db71ae5b6a932b71aa4645b7624635707a86d980aed1ea287f","target":"graph","created_at":"2026-05-18T01:08:59Z","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":"Spin transfer observables for the strangeness-production reaction Antiproton-Proton -> Antilambda-Lambda have been measured by the PS185 collaboration using a transversely-polarized frozen-spin target with an antiproton beam momentum of 1.637 GeV/c at the Low Energy Antiproton Ring at CERN. This measurement investigates observables for which current models of the reaction near threshold make significantly differing predictions. Those models are in good agreement with existing measurements performed with unpolarized particles in the initial state. Theoretical attention has focused on the fact t","authors_text":"A. Berdoz, A. Meier, A. Metzger, B. Bassalleck, B. Bunker, B. Quinn, B. Schoch, C.A. Meyer, C. Bradtke, D. Fields, D. Hertzog, E. Kriegler, E. Radtke, F.H. Heinsius, F. Stinzing, G. Franklin, G. Reicherz, H. Dennert, H. Dutz, H. Fischer, H. Schmitt, J. Franz, J. Harmsen, J. Hauffe, J. Lowe, K.D. Paschke, K. Kilian, K. R\\\"ohrich, K. Sachs, M. Moosburger, M. Pl\\\"uckthun, P. Khaustov, P. Kingsberry, R. Br\\\"oders, R. Gehring, R. Geyer, R. Stotzer, R. Tayloe, S. Eilerts, S. Goertz, S. Pomp, St. Wirth, T. Johansson, T. Jones, T. Sefzick, W. Eyrich, W. Meyer, W. Oelert","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2002-06-10T19:12:59Z","title":"Measurement of Spin Transfer Observables in Antiproton-Proton -> Antilambda-Lambda at 1.637 GeV/c"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0206005","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:a4d71600e08586345b85ee00ae3f5418804b0459a9b3f71fc422122c8bc853b3","target":"record","created_at":"2026-05-18T01:08:59Z","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":"c18f3b816a7bd4718b4c0dd0073be98015a0347a7602b08bf08d5adcda2a6331","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2002-06-10T19:12:59Z","title_canon_sha256":"455595cd8feb221b5d6f8cf5cf037bb976bd525293567ab0a13f0713c7a4c0b1"},"schema_version":"1.0","source":{"id":"nucl-ex/0206005","kind":"arxiv","version":1}},"canonical_sha256":"8bb2d55056d6b250428e10c5cbd813d574306dcf5a9145479101f3b83ceac447","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8bb2d55056d6b250428e10c5cbd813d574306dcf5a9145479101f3b83ceac447","first_computed_at":"2026-05-18T01:08:59.718613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:59.718613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jpdGFhNN3LkKKnpsXLqom29NVzUaLeQz61HBKpWTkhSErHhbL1YRqDqSZLVxtDSlooWp6MFADY9kzWAFI4rrAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:59.719073Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0206005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4d71600e08586345b85ee00ae3f5418804b0459a9b3f71fc422122c8bc853b3","sha256:d8aa16b47e6dd2db71ae5b6a932b71aa4645b7624635707a86d980aed1ea287f"],"state_sha256":"baf8d037d9a13fc376cb6b24b4d696de738aba5c0b303d8ef47b1484a1609f18"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7hgmYaEiEBzMs2tLb3ob0ESr3xkf1Q9+bbw8QuhbFI2yubKBK5/Sceg0kHb5wYQ0s13BX0Lq8kI6Fad0+itSAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:00:29.604692Z","bundle_sha256":"a9d33bd2ec244c3f143ccc45b4cb07fccabb5cc00839f891f963449a91a26096"}}