{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:JJAIVIRPIA62SMRBG6ZLTHJ5AK","short_pith_number":"pith:JJAIVIRP","canonical_record":{"source":{"id":"hep-ph/0305222","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2003-05-20T16:35:00Z","cross_cats_sorted":[],"title_canon_sha256":"c719b9489eced0788676e07dc225cf6651ada6a0482d56c707a77c7b20ad7cff","abstract_canon_sha256":"da5da9142c15f063c1ce39cdafcf7bcdef959d1ab56e8838384f18684f4619f6"},"schema_version":"1.0"},"canonical_sha256":"4a408aa22f403da9322137b2b99d3d02bc9bced2e0dd0321652417622673d0f4","source":{"kind":"arxiv","id":"hep-ph/0305222","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0305222","created_at":"2026-05-18T01:06:13Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0305222v2","created_at":"2026-05-18T01:06:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0305222","created_at":"2026-05-18T01:06:13Z"},{"alias_kind":"pith_short_12","alias_value":"JJAIVIRPIA62","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"JJAIVIRPIA62SMRB","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"JJAIVIRP","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:JJAIVIRPIA62SMRBG6ZLTHJ5AK","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0305222","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2003-05-20T16:35:00Z","cross_cats_sorted":[],"title_canon_sha256":"c719b9489eced0788676e07dc225cf6651ada6a0482d56c707a77c7b20ad7cff","abstract_canon_sha256":"da5da9142c15f063c1ce39cdafcf7bcdef959d1ab56e8838384f18684f4619f6"},"schema_version":"1.0"},"canonical_sha256":"4a408aa22f403da9322137b2b99d3d02bc9bced2e0dd0321652417622673d0f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:13.550023Z","signature_b64":"OfT6z14MhGYECpar/Op+y3u7kTQ27obGnM+qGp+B38hfmbOBI7YfAGlvp822RyX2//DSRN8v3vW0T6UVDwesCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a408aa22f403da9322137b2b99d3d02bc9bced2e0dd0321652417622673d0f4","last_reissued_at":"2026-05-18T01:06:13.549513Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:13.549513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0305222","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:06:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wvSf6cLECD0Aalpnq4pjaklHi1x4iCjxZd4/G/8+7BCKUZvtWnFJKirQhUQE2yVMevbzrNUUQ2LAVNryfbFWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T03:11:11.285366Z"},"content_sha256":"e60c3c26a69bb134142c3724b1a54f3ae2152ee8e1532e26f92271fda1377347","schema_version":"1.0","event_id":"sha256:e60c3c26a69bb134142c3724b1a54f3ae2152ee8e1532e26f92271fda1377347"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:JJAIVIRPIA62SMRBG6ZLTHJ5AK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Positivity constraints on initial spin observables in inclusive reactions","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Jacques Soffer","submitted_at":"2003-05-20T16:35:00Z","abstract_excerpt":"For any inclusive reaction of the type $A_1({spin} 1/2)+ A_2({spin} 1/2) \\to B + X$, we derive new positivity constraints on spin observables and study their implications for theoretical models in view, in particular, of accounting for future data from the polarized $pp$ collider at BNL-RHIC. We find that the single transverse spin asymmetry $A_N$ for several processes, in the central region for example jet production, direct photon production, lepton-pair production, must be such that $|A_N| \\lappeq 1/2$, rather than the usual bound $|A_N| \\leq 1$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0305222","kind":"arxiv","version":2},"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":"2026-05-18T01:06:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3GPOqYkqYtBe5yARwnCZVWiTyMIRBuXxtfnKsJBV7B70hJPI3SlyEpYmYrw11WkVLJIYKPfpoZ7tzQFaSxcsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T03:11:11.286046Z"},"content_sha256":"6efc3393144f785bb82b5e56cf11a1c56bb0893fe529475fbeee3942e7e413bd","schema_version":"1.0","event_id":"sha256:6efc3393144f785bb82b5e56cf11a1c56bb0893fe529475fbeee3942e7e413bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK/bundle.json","state_url":"https://pith.science/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK/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":"2026-06-08T03:11:11Z","links":{"resolver":"https://pith.science/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK","bundle":"https://pith.science/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK/bundle.json","state":"https://pith.science/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JJAIVIRPIA62SMRBG6ZLTHJ5AK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:JJAIVIRPIA62SMRBG6ZLTHJ5AK","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":"da5da9142c15f063c1ce39cdafcf7bcdef959d1ab56e8838384f18684f4619f6","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-05-20T16:35:00Z","title_canon_sha256":"c719b9489eced0788676e07dc225cf6651ada6a0482d56c707a77c7b20ad7cff"},"schema_version":"1.0","source":{"id":"hep-ph/0305222","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0305222","created_at":"2026-05-18T01:06:13Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0305222v2","created_at":"2026-05-18T01:06:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0305222","created_at":"2026-05-18T01:06:13Z"},{"alias_kind":"pith_short_12","alias_value":"JJAIVIRPIA62","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"JJAIVIRPIA62SMRB","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"JJAIVIRP","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:6efc3393144f785bb82b5e56cf11a1c56bb0893fe529475fbeee3942e7e413bd","target":"graph","created_at":"2026-05-18T01:06:13Z","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":"For any inclusive reaction of the type $A_1({spin} 1/2)+ A_2({spin} 1/2) \\to B + X$, we derive new positivity constraints on spin observables and study their implications for theoretical models in view, in particular, of accounting for future data from the polarized $pp$ collider at BNL-RHIC. We find that the single transverse spin asymmetry $A_N$ for several processes, in the central region for example jet production, direct photon production, lepton-pair production, must be such that $|A_N| \\lappeq 1/2$, rather than the usual bound $|A_N| \\leq 1$.","authors_text":"Jacques Soffer","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2003-05-20T16:35:00Z","title":"Positivity constraints on initial spin observables in inclusive reactions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0305222","kind":"arxiv","version":2},"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:e60c3c26a69bb134142c3724b1a54f3ae2152ee8e1532e26f92271fda1377347","target":"record","created_at":"2026-05-18T01:06:13Z","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":"da5da9142c15f063c1ce39cdafcf7bcdef959d1ab56e8838384f18684f4619f6","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2003-05-20T16:35:00Z","title_canon_sha256":"c719b9489eced0788676e07dc225cf6651ada6a0482d56c707a77c7b20ad7cff"},"schema_version":"1.0","source":{"id":"hep-ph/0305222","kind":"arxiv","version":2}},"canonical_sha256":"4a408aa22f403da9322137b2b99d3d02bc9bced2e0dd0321652417622673d0f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a408aa22f403da9322137b2b99d3d02bc9bced2e0dd0321652417622673d0f4","first_computed_at":"2026-05-18T01:06:13.549513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:13.549513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OfT6z14MhGYECpar/Op+y3u7kTQ27obGnM+qGp+B38hfmbOBI7YfAGlvp822RyX2//DSRN8v3vW0T6UVDwesCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:13.550023Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0305222","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e60c3c26a69bb134142c3724b1a54f3ae2152ee8e1532e26f92271fda1377347","sha256:6efc3393144f785bb82b5e56cf11a1c56bb0893fe529475fbeee3942e7e413bd"],"state_sha256":"20bd09db7a2b4b84a70fc0973c4d2844c2bcc0383878c2e2d32d14983812e559"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xljs0orS1A0VCcRQv2qHzOtNP5HN6YW8d+e6MCK1ZlGaVHlTRkaxZhwnNpI//poZYP+Ze4PVMfm+HKAjFJMtDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T03:11:11.289523Z","bundle_sha256":"a951fa1540bcfb4368716d9231b04960960ab2a8e1e613b209080f1f1d7a73b9"}}