{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:SK6ZP4GVXAFGRFK43S3FJUWLE4","short_pith_number":"pith:SK6ZP4GV","canonical_record":{"source":{"id":"hep-ph/9503333","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1995-03-15T08:56:31Z","cross_cats_sorted":[],"title_canon_sha256":"bbb3ed8dd225cb5d6fedcc3905fe1acd9b83ef401d91ee75aa1a8e610ddf7781","abstract_canon_sha256":"4209706934098e3affc76d9fca6d3d80de125173e744ffd076c459fd74032216"},"schema_version":"1.0"},"canonical_sha256":"92bd97f0d5b80a68955cdcb654d2cb272d6d4009537c5506e8f7c4ff659233e7","source":{"kind":"arxiv","id":"hep-ph/9503333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9503333","created_at":"2026-05-18T01:06:30Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9503333v1","created_at":"2026-05-18T01:06:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9503333","created_at":"2026-05-18T01:06:30Z"},{"alias_kind":"pith_short_12","alias_value":"SK6ZP4GVXAFG","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"SK6ZP4GVXAFGRFK4","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"SK6ZP4GV","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:SK6ZP4GVXAFGRFK43S3FJUWLE4","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9503333","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1995-03-15T08:56:31Z","cross_cats_sorted":[],"title_canon_sha256":"bbb3ed8dd225cb5d6fedcc3905fe1acd9b83ef401d91ee75aa1a8e610ddf7781","abstract_canon_sha256":"4209706934098e3affc76d9fca6d3d80de125173e744ffd076c459fd74032216"},"schema_version":"1.0"},"canonical_sha256":"92bd97f0d5b80a68955cdcb654d2cb272d6d4009537c5506e8f7c4ff659233e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:30.672900Z","signature_b64":"K/Oj0hPGEz1SnxK0cd2OeOPxYgbEjkcowfNE9D1JIPD584PUSGg0yvJl7ZUN/Q8qNg8U4ztkFQ7AqpLJohkKDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92bd97f0d5b80a68955cdcb654d2cb272d6d4009537c5506e8f7c4ff659233e7","last_reissued_at":"2026-05-18T01:06:30.672217Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:30.672217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9503333","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":"2026-05-18T01:06:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EkvYikNcRBS7Ccn06l+/Chsq8mPkCGeaAzHYuvbj5raSrsffm2nk7LPjbolyL8PQiWtvjUoFwvfSc/gljaSyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:12:44.112334Z"},"content_sha256":"517ca90a5ea9e1b2e806d836c26812edc20e6d54232f504913b0b503dfee14c2","schema_version":"1.0","event_id":"sha256:517ca90a5ea9e1b2e806d836c26812edc20e6d54232f504913b0b503dfee14c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:SK6ZP4GVXAFGRFK43S3FJUWLE4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"THE PROTON SPIN PUZZLE AND DEPOLARIZATION IN $\\bar{p}p\\to\\bar{\\Lambda}\\Lambda$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. Kharzeev, J. Ellis, M. Alberg","submitted_at":"1995-03-15T08:56:31Z","abstract_excerpt":"We point out that the measurement of target spin depolarization $D_{nn}$ in the $\\bar{p}p\\to\\bar{\\Lambda}\\Lambda$ reaction may test dynamical mechanisms invoked to explain the proton spin puzzle revealed by polarized deep--inelastic scattering experiments. In particular, models with {\\it negatively} polarized $\\bar{s}s$ pairs in the proton wave function predict $D_{nn}<0$, whereas models with {\\it positively} polarized gluons would predict $D_{nn}>0$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9503333","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":"2026-05-18T01:06:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HRts1bwFhdystdqOr7B6T/IP5MwxrWnvd3E/lASAyC1iHDtWIx6GV2/QiBB24tzxahQMlUHEuySMeTy7HGmdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T05:12:44.113034Z"},"content_sha256":"d0f86dbc2ee681bccbf375f7ad682caf4428de78e280dafcc64af8aafb1dc4d1","schema_version":"1.0","event_id":"sha256:d0f86dbc2ee681bccbf375f7ad682caf4428de78e280dafcc64af8aafb1dc4d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4/bundle.json","state_url":"https://pith.science/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4/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":"2026-06-08T05:12:44Z","links":{"resolver":"https://pith.science/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4","bundle":"https://pith.science/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4/bundle.json","state":"https://pith.science/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SK6ZP4GVXAFGRFK43S3FJUWLE4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:SK6ZP4GVXAFGRFK43S3FJUWLE4","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":"4209706934098e3affc76d9fca6d3d80de125173e744ffd076c459fd74032216","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1995-03-15T08:56:31Z","title_canon_sha256":"bbb3ed8dd225cb5d6fedcc3905fe1acd9b83ef401d91ee75aa1a8e610ddf7781"},"schema_version":"1.0","source":{"id":"hep-ph/9503333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9503333","created_at":"2026-05-18T01:06:30Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9503333v1","created_at":"2026-05-18T01:06:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9503333","created_at":"2026-05-18T01:06:30Z"},{"alias_kind":"pith_short_12","alias_value":"SK6ZP4GVXAFG","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"SK6ZP4GVXAFGRFK4","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"SK6ZP4GV","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:d0f86dbc2ee681bccbf375f7ad682caf4428de78e280dafcc64af8aafb1dc4d1","target":"graph","created_at":"2026-05-18T01:06:30Z","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 point out that the measurement of target spin depolarization $D_{nn}$ in the $\\bar{p}p\\to\\bar{\\Lambda}\\Lambda$ reaction may test dynamical mechanisms invoked to explain the proton spin puzzle revealed by polarized deep--inelastic scattering experiments. In particular, models with {\\it negatively} polarized $\\bar{s}s$ pairs in the proton wave function predict $D_{nn}<0$, whereas models with {\\it positively} polarized gluons would predict $D_{nn}>0$.","authors_text":"D. Kharzeev, J. Ellis, M. Alberg","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1995-03-15T08:56:31Z","title":"THE PROTON SPIN PUZZLE AND DEPOLARIZATION IN $\\bar{p}p\\to\\bar{\\Lambda}\\Lambda$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9503333","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":"sha256:517ca90a5ea9e1b2e806d836c26812edc20e6d54232f504913b0b503dfee14c2","target":"record","created_at":"2026-05-18T01:06:30Z","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":"4209706934098e3affc76d9fca6d3d80de125173e744ffd076c459fd74032216","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1995-03-15T08:56:31Z","title_canon_sha256":"bbb3ed8dd225cb5d6fedcc3905fe1acd9b83ef401d91ee75aa1a8e610ddf7781"},"schema_version":"1.0","source":{"id":"hep-ph/9503333","kind":"arxiv","version":1}},"canonical_sha256":"92bd97f0d5b80a68955cdcb654d2cb272d6d4009537c5506e8f7c4ff659233e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92bd97f0d5b80a68955cdcb654d2cb272d6d4009537c5506e8f7c4ff659233e7","first_computed_at":"2026-05-18T01:06:30.672217Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:30.672217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K/Oj0hPGEz1SnxK0cd2OeOPxYgbEjkcowfNE9D1JIPD584PUSGg0yvJl7ZUN/Q8qNg8U4ztkFQ7AqpLJohkKDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:30.672900Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9503333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:517ca90a5ea9e1b2e806d836c26812edc20e6d54232f504913b0b503dfee14c2","sha256:d0f86dbc2ee681bccbf375f7ad682caf4428de78e280dafcc64af8aafb1dc4d1"],"state_sha256":"0b1b88bd1e749c70f31bd31d57f89c05ea9c47f4f91ed62a627e8841fedd22a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kf1ea+8Hee7bENsPjKfycb0Psg5oQMnPg6+M36YF4Y6/o6wbeCaoNHC857dOVrON4M+IDKTEZ05hvy7GYmTiBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T05:12:44.117140Z","bundle_sha256":"99aa2128a0cd9117fb07b4aef638b2222aec8d174b49212ebc6f49ea1a09c000"}}