{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:QNHVMSDTN3OFT3OP3QRV3PVUPI","short_pith_number":"pith:QNHVMSDT","schema_version":"1.0","canonical_sha256":"834f5648736edc59edcfdc235dbeb47a1c8deb890e6e0b3fc00e916e36628e14","source":{"kind":"arxiv","id":"1409.4232","version":1},"attestation_state":"computed","paper":{"title":"The Discovery of the Gluon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-th"],"primary_cat":"hep-ph","authors_text":"John Ellis","submitted_at":"2014-09-15T12:46:44Z","abstract_excerpt":"Soon after the postulation of quarks, it was suggested that they interact via gluons, but direct experimental evidence was lacking for over a decade. In 1976, Mary Gaillard, Graham Ross and the author suggested searching for the gluon via 3-jet events due to gluon bremsstrahlung in $e^+ e^-$ collisions. Following our suggestion, the gluon was discovered at DESY in 1979 by TASSO and the other experiments at the PETRA collider."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1409.4232","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-09-15T12:46:44Z","cross_cats_sorted":["hep-ex","hep-th"],"title_canon_sha256":"2871c6d3bb0f47be901186dd77a7401448f1a98cb1e956631d0e77d6e47f22ce","abstract_canon_sha256":"dc5cbc7250ac1e1353e73df3c3a7f42de5d4f4c831a7495c3e425fad4340c088"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:02.624436Z","signature_b64":"aB+8rArxDBFDVgO5J/PpcA/HzOvDxhBfn84YZauhZJ/XRB8IZoXbN3OUxDuxzTqrw8bDgA6PK4qd/hPr/nujAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"834f5648736edc59edcfdc235dbeb47a1c8deb890e6e0b3fc00e916e36628e14","last_reissued_at":"2026-05-18T01:42:02.623553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:02.623553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Discovery of the Gluon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-th"],"primary_cat":"hep-ph","authors_text":"John Ellis","submitted_at":"2014-09-15T12:46:44Z","abstract_excerpt":"Soon after the postulation of quarks, it was suggested that they interact via gluons, but direct experimental evidence was lacking for over a decade. In 1976, Mary Gaillard, Graham Ross and the author suggested searching for the gluon via 3-jet events due to gluon bremsstrahlung in $e^+ e^-$ collisions. Following our suggestion, the gluon was discovered at DESY in 1979 by TASSO and the other experiments at the PETRA collider."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4232","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1409.4232","created_at":"2026-05-18T01:42:02.623687+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.4232v1","created_at":"2026-05-18T01:42:02.623687+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4232","created_at":"2026-05-18T01:42:02.623687+00:00"},{"alias_kind":"pith_short_12","alias_value":"QNHVMSDTN3OF","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_16","alias_value":"QNHVMSDTN3OFT3OP","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_8","alias_value":"QNHVMSDT","created_at":"2026-05-18T12:28:46.137349+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI","json":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI.json","graph_json":"https://pith.science/api/pith-number/QNHVMSDTN3OFT3OP3QRV3PVUPI/graph.json","events_json":"https://pith.science/api/pith-number/QNHVMSDTN3OFT3OP3QRV3PVUPI/events.json","paper":"https://pith.science/paper/QNHVMSDT"},"agent_actions":{"view_html":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI","download_json":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI.json","view_paper":"https://pith.science/paper/QNHVMSDT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.4232&json=true","fetch_graph":"https://pith.science/api/pith-number/QNHVMSDTN3OFT3OP3QRV3PVUPI/graph.json","fetch_events":"https://pith.science/api/pith-number/QNHVMSDTN3OFT3OP3QRV3PVUPI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI/action/storage_attestation","attest_author":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI/action/author_attestation","sign_citation":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI/action/citation_signature","submit_replication":"https://pith.science/pith/QNHVMSDTN3OFT3OP3QRV3PVUPI/action/replication_record"}},"created_at":"2026-05-18T01:42:02.623687+00:00","updated_at":"2026-05-18T01:42:02.623687+00:00"}