{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:GKQZ3VLGZSXLV3HV7MR23TC4XB","short_pith_number":"pith:GKQZ3VLG","canonical_record":{"source":{"id":"hep-ex/0008029","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2000-08-16T15:03:48Z","cross_cats_sorted":[],"title_canon_sha256":"e90098197c91d2ca8b8e0678979c51b43ed63b975520795bdc8227c880633338","abstract_canon_sha256":"72b9348a187295a6edd919a159d2cd32adc189c7e1d9dbd8000bc285f811380d"},"schema_version":"1.0"},"canonical_sha256":"32a19dd566ccaebaecf5fb23adcc5cb874e2600cbb3a288c582234dda93cd7bd","source":{"kind":"arxiv","id":"hep-ex/0008029","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0008029","created_at":"2026-05-18T03:47:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0008029v1","created_at":"2026-05-18T03:47:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0008029","created_at":"2026-05-18T03:47:40Z"},{"alias_kind":"pith_short_12","alias_value":"GKQZ3VLGZSXL","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"GKQZ3VLGZSXLV3HV","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"GKQZ3VLG","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:GKQZ3VLGZSXLV3HV7MR23TC4XB","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ex/0008029","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2000-08-16T15:03:48Z","cross_cats_sorted":[],"title_canon_sha256":"e90098197c91d2ca8b8e0678979c51b43ed63b975520795bdc8227c880633338","abstract_canon_sha256":"72b9348a187295a6edd919a159d2cd32adc189c7e1d9dbd8000bc285f811380d"},"schema_version":"1.0"},"canonical_sha256":"32a19dd566ccaebaecf5fb23adcc5cb874e2600cbb3a288c582234dda93cd7bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:40.931964Z","signature_b64":"/OTBSOPEIBRfCkMnwitXRzMe9jYrTutd/qoYYx4Jj8dkovzcQU1ah+msCXbrEdt+7qvCEW9lYO4v4gnP+/T/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32a19dd566ccaebaecf5fb23adcc5cb874e2600cbb3a288c582234dda93cd7bd","last_reissued_at":"2026-05-18T03:47:40.931256Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:40.931256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ex/0008029","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":"2026-05-18T03:47:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MWWAfnYnVamHMvV5nwoMQhqfvQ+9Ph+rSFLaksnA+WoOt/mklJBmtHdl/XakCGWxpDTjcinHoyETTOR6VRvcBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:09:11.720159Z"},"content_sha256":"d8d280a495f4d674becd6c94894757e8a3e1dc665428d9419d6a361ee6ce6a1f","schema_version":"1.0","event_id":"sha256:d8d280a495f4d674becd6c94894757e8a3e1dc665428d9419d6a361ee6ce6a1f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:GKQZ3VLGZSXLV3HV7MR23TC4XB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asymmetries in the Production of $\\Lambda_c^+$ and $\\Lambda_c^-$ Baryons in 500 GeV/c $\\pi^-$ Nucleon Interactions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"E791 collaboration","submitted_at":"2000-08-16T15:03:48Z","abstract_excerpt":"We present a measurement of asymmetries in the production of $\\Lambda_c^+$ and $\\Lambda_c^-$ baryons in 500 GeV/c $\\pi^-$--nucleon interactions from the E791 experiment at Fermilab. The asymmetries were measured as functions of Feynman x ($x_F$) and transverse momentum squared ($p_T^2$) using a sample of $1819 \\pm 62$ $\\Lambda_c$'s observed in the decay channel $\\Lambda_c \\to pK^-\\pi^+$. We observe more $\\Lambda_c^+$ than $\\Lambda_c^-$ baryons, with an asymmetry of $(12.7\\pm3.4\\pm1.3) %$ independent of $x_F$ and $p_T^2$ in our kinematical range $(-0.1 < x_F < 0.6$ and $0.0 < p_T^2 < 8.0 (GeV/c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0008029","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":"2026-05-18T03:47:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jy3c4/mdr0T35velqDE+UDFr0cwCrn2UG1XFw/tYYyPg/FRXnAk1uc7xyfybHl9xnn+1IUGVA4U2IssY3vuJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:09:11.720523Z"},"content_sha256":"c71376300188ec9774d6a929efd850a4179bb8915927aed19c2722f99e7894af","schema_version":"1.0","event_id":"sha256:c71376300188ec9774d6a929efd850a4179bb8915927aed19c2722f99e7894af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB/bundle.json","state_url":"https://pith.science/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB/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":"2026-06-01T17:09:11Z","links":{"resolver":"https://pith.science/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB","bundle":"https://pith.science/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB/bundle.json","state":"https://pith.science/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GKQZ3VLGZSXLV3HV7MR23TC4XB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:GKQZ3VLGZSXLV3HV7MR23TC4XB","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":"72b9348a187295a6edd919a159d2cd32adc189c7e1d9dbd8000bc285f811380d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2000-08-16T15:03:48Z","title_canon_sha256":"e90098197c91d2ca8b8e0678979c51b43ed63b975520795bdc8227c880633338"},"schema_version":"1.0","source":{"id":"hep-ex/0008029","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0008029","created_at":"2026-05-18T03:47:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0008029v1","created_at":"2026-05-18T03:47:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0008029","created_at":"2026-05-18T03:47:40Z"},{"alias_kind":"pith_short_12","alias_value":"GKQZ3VLGZSXL","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"GKQZ3VLGZSXLV3HV","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"GKQZ3VLG","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:c71376300188ec9774d6a929efd850a4179bb8915927aed19c2722f99e7894af","target":"graph","created_at":"2026-05-18T03:47:40Z","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 present a measurement of asymmetries in the production of $\\Lambda_c^+$ and $\\Lambda_c^-$ baryons in 500 GeV/c $\\pi^-$--nucleon interactions from the E791 experiment at Fermilab. The asymmetries were measured as functions of Feynman x ($x_F$) and transverse momentum squared ($p_T^2$) using a sample of $1819 \\pm 62$ $\\Lambda_c$'s observed in the decay channel $\\Lambda_c \\to pK^-\\pi^+$. We observe more $\\Lambda_c^+$ than $\\Lambda_c^-$ baryons, with an asymmetry of $(12.7\\pm3.4\\pm1.3) %$ independent of $x_F$ and $p_T^2$ in our kinematical range $(-0.1 < x_F < 0.6$ and $0.0 < p_T^2 < 8.0 (GeV/c","authors_text":"E791 collaboration","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2000-08-16T15:03:48Z","title":"Asymmetries in the Production of $\\Lambda_c^+$ and $\\Lambda_c^-$ Baryons in 500 GeV/c $\\pi^-$ Nucleon Interactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0008029","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:d8d280a495f4d674becd6c94894757e8a3e1dc665428d9419d6a361ee6ce6a1f","target":"record","created_at":"2026-05-18T03:47:40Z","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":"72b9348a187295a6edd919a159d2cd32adc189c7e1d9dbd8000bc285f811380d","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2000-08-16T15:03:48Z","title_canon_sha256":"e90098197c91d2ca8b8e0678979c51b43ed63b975520795bdc8227c880633338"},"schema_version":"1.0","source":{"id":"hep-ex/0008029","kind":"arxiv","version":1}},"canonical_sha256":"32a19dd566ccaebaecf5fb23adcc5cb874e2600cbb3a288c582234dda93cd7bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32a19dd566ccaebaecf5fb23adcc5cb874e2600cbb3a288c582234dda93cd7bd","first_computed_at":"2026-05-18T03:47:40.931256Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:47:40.931256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/OTBSOPEIBRfCkMnwitXRzMe9jYrTutd/qoYYx4Jj8dkovzcQU1ah+msCXbrEdt+7qvCEW9lYO4v4gnP+/T/Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T03:47:40.931964Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0008029","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8d280a495f4d674becd6c94894757e8a3e1dc665428d9419d6a361ee6ce6a1f","sha256:c71376300188ec9774d6a929efd850a4179bb8915927aed19c2722f99e7894af"],"state_sha256":"f326665c21c4610010d1a90b58cf86868272ed0ce2f4a4a96c715a6abc6ab84f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SiSs4SZZlXkrke9wQ9fFA0g/7ZKvr0NaZmzlZ/3G1DBWJpm+w4KYnaHW1ADUimQ3K6EGO/JCDUy2CmZLXSQFAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:09:11.724673Z","bundle_sha256":"53c2892a651ba881aba6cf3926695c7176fec7b9810d260ee52f5163eec02360"}}