{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:SRWYJN4EQLCG4Y4FHOA55TCWHB","short_pith_number":"pith:SRWYJN4E","canonical_record":{"source":{"id":"hep-ph/9707480","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-07-26T03:46:34Z","cross_cats_sorted":[],"title_canon_sha256":"dfaa3cc17e96dca4e79c51fb96850ce9d30c85b5649c95ad53d38029a8872996","abstract_canon_sha256":"a1c08a423b12b35a866abdf3f480dea5e63889d63a7154799f331bfb9ebf65be"},"schema_version":"1.0"},"canonical_sha256":"946d84b78482c46e63853b81decc56387204bb30df1cc6f94ce277fab0bca40d","source":{"kind":"arxiv","id":"hep-ph/9707480","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9707480","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9707480v1","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9707480","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"pith_short_12","alias_value":"SRWYJN4EQLCG","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"pith_short_16","alias_value":"SRWYJN4EQLCG4Y4F","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"pith_short_8","alias_value":"SRWYJN4E","created_at":"2026-07-04T16:05:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:SRWYJN4EQLCG4Y4FHOA55TCWHB","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9707480","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1997-07-26T03:46:34Z","cross_cats_sorted":[],"title_canon_sha256":"dfaa3cc17e96dca4e79c51fb96850ce9d30c85b5649c95ad53d38029a8872996","abstract_canon_sha256":"a1c08a423b12b35a866abdf3f480dea5e63889d63a7154799f331bfb9ebf65be"},"schema_version":"1.0"},"canonical_sha256":"946d84b78482c46e63853b81decc56387204bb30df1cc6f94ce277fab0bca40d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:05:09.303362Z","signature_b64":"VcUSgylB8/2p+0+UrclOQqGy15Aeih9cOf7uLEArQHYXDABaCupO8wDTbgaGft+eDSDqlfKcUpYUrobrsNbDDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"946d84b78482c46e63853b81decc56387204bb30df1cc6f94ce277fab0bca40d","last_reissued_at":"2026-07-04T16:05:09.302879Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:05:09.302879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9707480","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":"2026-07-04T16:05:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fgyIZxR83g4mbnPh0LQ9KKnOVyW5d+UW93mPQgaSJaYbqmApUcqsoN8rh9WZc4VCBU/8Nger0FEK09OjYWMoAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T08:50:41.459039Z"},"content_sha256":"21e736c9c946d47cbf0b752cd59bd43fb7dc13e69b257ee83a72cddbbab1ef6f","schema_version":"1.0","event_id":"sha256:21e736c9c946d47cbf0b752cd59bd43fb7dc13e69b257ee83a72cddbbab1ef6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:SRWYJN4EQLCG4Y4FHOA55TCWHB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$J/\\Psi$-Production at Photon-Photon Colliders as a Probe of the Color Octet Mechanism","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"B.H.J. McKellar, C.B. Paranavitane, J.P. Ma","submitted_at":"1997-07-26T03:46:34Z","abstract_excerpt":"We study $J/\\Psi$ production at photon-photon colliders, which can be realised with Compton scaterring of laser photons at $e^+e^-$ colliders. We find that the production rate through the color-octet channel is comparable to that through the color-singlet channel. Experimentally the two mechanisms can be studied separately because the processes have different signals."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9707480","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9707480/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:05:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RuXdpDB55Y2Qzhtiyt1SrFPS0P+ojtREdulMayWQIgLrGTp4RrkyoIEBFRPmIQnTwjPkHbcAt0LwpiXZb01LDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T08:50:41.459579Z"},"content_sha256":"bd720d786bd37a88d25a25f1c3448b62d070a60e61ce23a29ebde7c58835d3e1","schema_version":"1.0","event_id":"sha256:bd720d786bd37a88d25a25f1c3448b62d070a60e61ce23a29ebde7c58835d3e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB/bundle.json","state_url":"https://pith.science/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB/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":"2026-08-17T08:50:41Z","links":{"resolver":"https://pith.science/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB","bundle":"https://pith.science/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB/bundle.json","state":"https://pith.science/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SRWYJN4EQLCG4Y4FHOA55TCWHB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:SRWYJN4EQLCG4Y4FHOA55TCWHB","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":"a1c08a423b12b35a866abdf3f480dea5e63889d63a7154799f331bfb9ebf65be","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-07-26T03:46:34Z","title_canon_sha256":"dfaa3cc17e96dca4e79c51fb96850ce9d30c85b5649c95ad53d38029a8872996"},"schema_version":"1.0","source":{"id":"hep-ph/9707480","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9707480","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9707480v1","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9707480","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"pith_short_12","alias_value":"SRWYJN4EQLCG","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"pith_short_16","alias_value":"SRWYJN4EQLCG4Y4F","created_at":"2026-07-04T16:05:09Z"},{"alias_kind":"pith_short_8","alias_value":"SRWYJN4E","created_at":"2026-07-04T16:05:09Z"}],"graph_snapshots":[{"event_id":"sha256:bd720d786bd37a88d25a25f1c3448b62d070a60e61ce23a29ebde7c58835d3e1","target":"graph","created_at":"2026-07-04T16:05:09Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-ph/9707480/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study $J/\\Psi$ production at photon-photon colliders, which can be realised with Compton scaterring of laser photons at $e^+e^-$ colliders. We find that the production rate through the color-octet channel is comparable to that through the color-singlet channel. Experimentally the two mechanisms can be studied separately because the processes have different signals.","authors_text":"B.H.J. McKellar, C.B. Paranavitane, J.P. Ma","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1997-07-26T03:46:34Z","title":"$J/\\Psi$-Production at Photon-Photon Colliders as a Probe of the Color Octet Mechanism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9707480","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":"sha256:21e736c9c946d47cbf0b752cd59bd43fb7dc13e69b257ee83a72cddbbab1ef6f","target":"record","created_at":"2026-07-04T16:05:09Z","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":"a1c08a423b12b35a866abdf3f480dea5e63889d63a7154799f331bfb9ebf65be","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1997-07-26T03:46:34Z","title_canon_sha256":"dfaa3cc17e96dca4e79c51fb96850ce9d30c85b5649c95ad53d38029a8872996"},"schema_version":"1.0","source":{"id":"hep-ph/9707480","kind":"arxiv","version":1}},"canonical_sha256":"946d84b78482c46e63853b81decc56387204bb30df1cc6f94ce277fab0bca40d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"946d84b78482c46e63853b81decc56387204bb30df1cc6f94ce277fab0bca40d","first_computed_at":"2026-07-04T16:05:09.302879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:05:09.302879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VcUSgylB8/2p+0+UrclOQqGy15Aeih9cOf7uLEArQHYXDABaCupO8wDTbgaGft+eDSDqlfKcUpYUrobrsNbDDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:05:09.303362Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9707480","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21e736c9c946d47cbf0b752cd59bd43fb7dc13e69b257ee83a72cddbbab1ef6f","sha256:bd720d786bd37a88d25a25f1c3448b62d070a60e61ce23a29ebde7c58835d3e1"],"state_sha256":"ed91d59b8590c15743f06e1f8985eae152c980651410b8b0e04042b9076fc3b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1C/Lxkt9jmkYQ9rZxfaC1Yavp1QUVYSmWbug34oS3XpEJaO2f7Y3m/sO8trzLqD57zUpGpNm3ULqrMi8PZrlAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T08:50:41.463877Z","bundle_sha256":"8b4361eed65355cc0ae4c7e54f353f14fc9af139c2b3b21dfc03bfaa5356a498"}}