{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:7NGU7W2EDBVVE6NXGRSICDVRXI","short_pith_number":"pith:7NGU7W2E","canonical_record":{"source":{"id":"hep-ph/9710309","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-10-09T22:57:13Z","cross_cats_sorted":[],"title_canon_sha256":"3986c791b7320ac92166096bdc81941af91e97bcb36290b952171574c8fec2ef","abstract_canon_sha256":"fc45002d9f8d4c5236daa4da8ac2f25bd38715f81d93d3ad9e1c7d47b6004584"},"schema_version":"1.0"},"canonical_sha256":"fb4d4fdb44186b5279b73464810eb1ba116bfe3fc25e12df8931601141b34771","source":{"kind":"arxiv","id":"hep-ph/9710309","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9710309","created_at":"2026-05-18T04:13:25Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9710309v2","created_at":"2026-05-18T04:13:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9710309","created_at":"2026-05-18T04:13:25Z"},{"alias_kind":"pith_short_12","alias_value":"7NGU7W2EDBVV","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"7NGU7W2EDBVVE6NX","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"7NGU7W2E","created_at":"2026-05-18T12:25:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:7NGU7W2EDBVVE6NXGRSICDVRXI","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9710309","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-10-09T22:57:13Z","cross_cats_sorted":[],"title_canon_sha256":"3986c791b7320ac92166096bdc81941af91e97bcb36290b952171574c8fec2ef","abstract_canon_sha256":"fc45002d9f8d4c5236daa4da8ac2f25bd38715f81d93d3ad9e1c7d47b6004584"},"schema_version":"1.0"},"canonical_sha256":"fb4d4fdb44186b5279b73464810eb1ba116bfe3fc25e12df8931601141b34771","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:25.156928Z","signature_b64":"U9pZuyjez/5/MG5mSybJ0QVn7wkUSkDbrWqWso7HROZYKjPEFOqPCoJZL/vi2MQbzxhFTVujkv9UqHe0uUYiBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb4d4fdb44186b5279b73464810eb1ba116bfe3fc25e12df8931601141b34771","last_reissued_at":"2026-05-18T04:13:25.156439Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:25.156439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9710309","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":"2026-05-18T04:13:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dnUDKObJxQRPeiErIn8zaHnQoD/90wDGGmn0Srv+m30nnRwEoRCs6ebKlO5fx3+OZ4LHvB5qmUJzfpNlq5H3DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:43:09.290226Z"},"content_sha256":"bdb89586b313668803358a19935816b43516723e375eba19458bfbf9b7067c30","schema_version":"1.0","event_id":"sha256:bdb89586b313668803358a19935816b43516723e375eba19458bfbf9b7067c30"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:7NGU7W2EDBVVE6NXGRSICDVRXI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Asymmetry distributions and mass effects in dijet events at a polarized HERA","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Schafer (Regensburg U.), E. Mirkes (Karlsruhe U.), G. Radel (CERN), M. Maul","submitted_at":"1997-10-09T22:57:13Z","abstract_excerpt":"The asymmetry distributions for several kinematic variables are considered for finding a systematic way to maximize the signal for the extraction of the polarized gluon density. The relevance of mass effects for the corresponding dijet cross section is discussed and the different approximations for including mass effects are compared. We also compare via the programs Pepsi and Mepjet two different Monte Carlo (MC) approaches for simulating the expected signal in the dijet asymmetry at a polarized HERA."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9710309","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":"2026-05-18T04:13:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e3f5wb1+8MkTkfSjreNjRPg4CNyl0SAej7SWDPu+1Nw6Dn3jPx3AtXm7ZWWAXYDjVAh98IOGW614XiAKg31wCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:43:09.290592Z"},"content_sha256":"ecb00777e46963b4250873f66ba225f796ebe0c20b35d65d04adf5f6b7036762","schema_version":"1.0","event_id":"sha256:ecb00777e46963b4250873f66ba225f796ebe0c20b35d65d04adf5f6b7036762"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7NGU7W2EDBVVE6NXGRSICDVRXI/bundle.json","state_url":"https://pith.science/pith/7NGU7W2EDBVVE6NXGRSICDVRXI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7NGU7W2EDBVVE6NXGRSICDVRXI/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":"2026-06-05T10:43:09Z","links":{"resolver":"https://pith.science/pith/7NGU7W2EDBVVE6NXGRSICDVRXI","bundle":"https://pith.science/pith/7NGU7W2EDBVVE6NXGRSICDVRXI/bundle.json","state":"https://pith.science/pith/7NGU7W2EDBVVE6NXGRSICDVRXI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7NGU7W2EDBVVE6NXGRSICDVRXI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:7NGU7W2EDBVVE6NXGRSICDVRXI","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":"fc45002d9f8d4c5236daa4da8ac2f25bd38715f81d93d3ad9e1c7d47b6004584","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-10-09T22:57:13Z","title_canon_sha256":"3986c791b7320ac92166096bdc81941af91e97bcb36290b952171574c8fec2ef"},"schema_version":"1.0","source":{"id":"hep-ph/9710309","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9710309","created_at":"2026-05-18T04:13:25Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9710309v2","created_at":"2026-05-18T04:13:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9710309","created_at":"2026-05-18T04:13:25Z"},{"alias_kind":"pith_short_12","alias_value":"7NGU7W2EDBVV","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_16","alias_value":"7NGU7W2EDBVVE6NX","created_at":"2026-05-18T12:25:48Z"},{"alias_kind":"pith_short_8","alias_value":"7NGU7W2E","created_at":"2026-05-18T12:25:48Z"}],"graph_snapshots":[{"event_id":"sha256:ecb00777e46963b4250873f66ba225f796ebe0c20b35d65d04adf5f6b7036762","target":"graph","created_at":"2026-05-18T04:13:25Z","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":"The asymmetry distributions for several kinematic variables are considered for finding a systematic way to maximize the signal for the extraction of the polarized gluon density. The relevance of mass effects for the corresponding dijet cross section is discussed and the different approximations for including mass effects are compared. We also compare via the programs Pepsi and Mepjet two different Monte Carlo (MC) approaches for simulating the expected signal in the dijet asymmetry at a polarized HERA.","authors_text":"A. Schafer (Regensburg U.), E. Mirkes (Karlsruhe U.), G. Radel (CERN), M. Maul","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-10-09T22:57:13Z","title":"Asymmetry distributions and mass effects in dijet events at a polarized HERA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9710309","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:bdb89586b313668803358a19935816b43516723e375eba19458bfbf9b7067c30","target":"record","created_at":"2026-05-18T04:13:25Z","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":"fc45002d9f8d4c5236daa4da8ac2f25bd38715f81d93d3ad9e1c7d47b6004584","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-10-09T22:57:13Z","title_canon_sha256":"3986c791b7320ac92166096bdc81941af91e97bcb36290b952171574c8fec2ef"},"schema_version":"1.0","source":{"id":"hep-ph/9710309","kind":"arxiv","version":2}},"canonical_sha256":"fb4d4fdb44186b5279b73464810eb1ba116bfe3fc25e12df8931601141b34771","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb4d4fdb44186b5279b73464810eb1ba116bfe3fc25e12df8931601141b34771","first_computed_at":"2026-05-18T04:13:25.156439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:13:25.156439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U9pZuyjez/5/MG5mSybJ0QVn7wkUSkDbrWqWso7HROZYKjPEFOqPCoJZL/vi2MQbzxhFTVujkv9UqHe0uUYiBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:13:25.156928Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9710309","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdb89586b313668803358a19935816b43516723e375eba19458bfbf9b7067c30","sha256:ecb00777e46963b4250873f66ba225f796ebe0c20b35d65d04adf5f6b7036762"],"state_sha256":"64153a8bac375c31c59a1a202686dc863cbc32aed0cffe0956b7cad823ed8522"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kLBNizf+b0Y1Pseuy+/yl52QqDZTSLSCDDncjhjKeQ2hDWIVJS7dxh54DsrQF0Fj+GTRk7U/j+bpENPBKAaFCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:43:09.292651Z","bundle_sha256":"21eeb9dd53364e665a22c7d2d04a32117cc7162de88672338486e9e0ebc5b6d5"}}