{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XTYYXMESILXEG5QMHQAPJEGTJV","short_pith_number":"pith:XTYYXMES","canonical_record":{"source":{"id":"1701.05900","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-20T19:00:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a1f32d517b8c74536a87648e06bba96ce5bb898dd067c56ceedb491ddd7a62a6","abstract_canon_sha256":"bf2347f729d689321bce73ffcdb3f7be9cd80471bd0ba2783b3bcbb861b96ac5"},"schema_version":"1.0"},"canonical_sha256":"bcf18bb09242ee43760c3c00f490d34d4795b7555b9c6286b29a8350f0abe8cc","source":{"kind":"arxiv","id":"1701.05900","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05900","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05900v2","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05900","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"pith_short_12","alias_value":"XTYYXMESILXE","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XTYYXMESILXEG5QM","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XTYYXMES","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XTYYXMESILXEG5QMHQAPJEGTJV","target":"record","payload":{"canonical_record":{"source":{"id":"1701.05900","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-20T19:00:01Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"a1f32d517b8c74536a87648e06bba96ce5bb898dd067c56ceedb491ddd7a62a6","abstract_canon_sha256":"bf2347f729d689321bce73ffcdb3f7be9cd80471bd0ba2783b3bcbb861b96ac5"},"schema_version":"1.0"},"canonical_sha256":"bcf18bb09242ee43760c3c00f490d34d4795b7555b9c6286b29a8350f0abe8cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:08.772438Z","signature_b64":"RPwXBd2QsOmH/ql/DhOWJHAUid1q+mnQcA90FeMrF1ZaHr1nxpwNmXaxSZMkxZBbcHlVQedCpGLsxeHf5XagBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcf18bb09242ee43760c3c00f490d34d4795b7555b9c6286b29a8350f0abe8cc","last_reissued_at":"2026-05-18T00:46:08.771829Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:08.771829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.05900","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":"2026-05-18T00:46:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5d2IAPtduz4FydxAF6ULQiFm967DijWXEmaBZxZVeRqJGbFpNSQvKl+vWSvMKwl0RuxgBs+7t0t4PJoSVOk5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:33:11.581687Z"},"content_sha256":"521aa784fc1f2872e6b35c8da24a4f1e830df525c93025ce1290850454d99320","schema_version":"1.0","event_id":"sha256:521aa784fc1f2872e6b35c8da24a4f1e830df525c93025ce1290850454d99320"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XTYYXMESILXEG5QMHQAPJEGTJV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single top polarisation as a window to new physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"C. Degrande, J.A. Aguilar-Saavedra, S. Khatibi","submitted_at":"2017-01-20T19:00:01Z","abstract_excerpt":"We discuss the effect of heavy new physics, parameterised in terms of four-fermion operators, in the polarisation of single top (anti-)quarks in the $t$-channel process at the LHC. It is found that for operators involving a right-handed top quark field the relative effect on the longitudinal polarisation is twice larger than the relative effect on the total cross section. This enhanced dependence on possible four-fermion contributions makes the polarisation measurements specially interesting, in particular at high momenta."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05900","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":"2026-05-18T00:46:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MKfhAqIceZYjzHtv2QDw9pHuyRmAVaG7XdgJdwkoVOz1B02opubFyHd3DlxQc0R/1pFXnnnt7wYStYb2x7yBAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:33:11.582026Z"},"content_sha256":"dad3617028fd12f9d29b98e074b58d8209d0ac797e9d9770734e9513323c53b5","schema_version":"1.0","event_id":"sha256:dad3617028fd12f9d29b98e074b58d8209d0ac797e9d9770734e9513323c53b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XTYYXMESILXEG5QMHQAPJEGTJV/bundle.json","state_url":"https://pith.science/pith/XTYYXMESILXEG5QMHQAPJEGTJV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XTYYXMESILXEG5QMHQAPJEGTJV/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":"2026-05-28T13:33:11Z","links":{"resolver":"https://pith.science/pith/XTYYXMESILXEG5QMHQAPJEGTJV","bundle":"https://pith.science/pith/XTYYXMESILXEG5QMHQAPJEGTJV/bundle.json","state":"https://pith.science/pith/XTYYXMESILXEG5QMHQAPJEGTJV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XTYYXMESILXEG5QMHQAPJEGTJV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XTYYXMESILXEG5QMHQAPJEGTJV","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":"bf2347f729d689321bce73ffcdb3f7be9cd80471bd0ba2783b3bcbb861b96ac5","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-20T19:00:01Z","title_canon_sha256":"a1f32d517b8c74536a87648e06bba96ce5bb898dd067c56ceedb491ddd7a62a6"},"schema_version":"1.0","source":{"id":"1701.05900","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.05900","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"arxiv_version","alias_value":"1701.05900v2","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.05900","created_at":"2026-05-18T00:46:08Z"},{"alias_kind":"pith_short_12","alias_value":"XTYYXMESILXE","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XTYYXMESILXEG5QM","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XTYYXMES","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:dad3617028fd12f9d29b98e074b58d8209d0ac797e9d9770734e9513323c53b5","target":"graph","created_at":"2026-05-18T00:46:08Z","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 discuss the effect of heavy new physics, parameterised in terms of four-fermion operators, in the polarisation of single top (anti-)quarks in the $t$-channel process at the LHC. It is found that for operators involving a right-handed top quark field the relative effect on the longitudinal polarisation is twice larger than the relative effect on the total cross section. This enhanced dependence on possible four-fermion contributions makes the polarisation measurements specially interesting, in particular at high momenta.","authors_text":"C. Degrande, J.A. Aguilar-Saavedra, S. Khatibi","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-20T19:00:01Z","title":"Single top polarisation as a window to new physics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.05900","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":"sha256:521aa784fc1f2872e6b35c8da24a4f1e830df525c93025ce1290850454d99320","target":"record","created_at":"2026-05-18T00:46:08Z","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":"bf2347f729d689321bce73ffcdb3f7be9cd80471bd0ba2783b3bcbb861b96ac5","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-01-20T19:00:01Z","title_canon_sha256":"a1f32d517b8c74536a87648e06bba96ce5bb898dd067c56ceedb491ddd7a62a6"},"schema_version":"1.0","source":{"id":"1701.05900","kind":"arxiv","version":2}},"canonical_sha256":"bcf18bb09242ee43760c3c00f490d34d4795b7555b9c6286b29a8350f0abe8cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcf18bb09242ee43760c3c00f490d34d4795b7555b9c6286b29a8350f0abe8cc","first_computed_at":"2026-05-18T00:46:08.771829Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:08.771829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RPwXBd2QsOmH/ql/DhOWJHAUid1q+mnQcA90FeMrF1ZaHr1nxpwNmXaxSZMkxZBbcHlVQedCpGLsxeHf5XagBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:08.772438Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.05900","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:521aa784fc1f2872e6b35c8da24a4f1e830df525c93025ce1290850454d99320","sha256:dad3617028fd12f9d29b98e074b58d8209d0ac797e9d9770734e9513323c53b5"],"state_sha256":"0c41b4d63f0110cfdeb875edc95cf84926f5924b8dfe99b60e252b177b366cee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XiAvvvuKYltzjXw3e56pmNhfA1TB0Tto9Kx/IbWmNEPqjuJ4i6GuXviomD5pxjHJGmyvCgAGaY+qivaUrj10DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:33:11.583933Z","bundle_sha256":"5d603361491c29c5dc90072102e8ed25ec9b02a38d5507e55dd657c173dfacb1"}}