{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:NVE7CZEDIFHTLJEW5PSWHXZ4NX","short_pith_number":"pith:NVE7CZED","canonical_record":{"source":{"id":"1408.4564","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-20T09:01:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea2eb41c2f4ea5d60fdc462afa8bbfb590ac7085b31405136e1800b42eda8c31","abstract_canon_sha256":"404de22bd4551cdbd8d4672d8b819cc9bd59e95485cda65cf7807105fe3e58e9"},"schema_version":"1.0"},"canonical_sha256":"6d49f16483414f35a496ebe563df3c6dd65aa91e5793aa33c02539b2d9fbe7ca","source":{"kind":"arxiv","id":"1408.4564","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4564","created_at":"2026-05-18T01:42:16Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4564v2","created_at":"2026-05-18T01:42:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4564","created_at":"2026-05-18T01:42:16Z"},{"alias_kind":"pith_short_12","alias_value":"NVE7CZEDIFHT","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NVE7CZEDIFHTLJEW","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NVE7CZED","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:NVE7CZEDIFHTLJEW5PSWHXZ4NX","target":"record","payload":{"canonical_record":{"source":{"id":"1408.4564","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-20T09:01:49Z","cross_cats_sorted":[],"title_canon_sha256":"ea2eb41c2f4ea5d60fdc462afa8bbfb590ac7085b31405136e1800b42eda8c31","abstract_canon_sha256":"404de22bd4551cdbd8d4672d8b819cc9bd59e95485cda65cf7807105fe3e58e9"},"schema_version":"1.0"},"canonical_sha256":"6d49f16483414f35a496ebe563df3c6dd65aa91e5793aa33c02539b2d9fbe7ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:16.958095Z","signature_b64":"U3EZ9CAK2e1nAAv4MZ6ExbqmN8f2tUo9cAslA0WlyOcEdb3yrsg2hlggyp3cGAeB/sE3IMlZ+Cg6d1mwSoCsBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d49f16483414f35a496ebe563df3c6dd65aa91e5793aa33c02539b2d9fbe7ca","last_reissued_at":"2026-05-18T01:42:16.957479Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:16.957479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.4564","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":"2026-05-18T01:42:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wDjBlJ2KuXKztcfOb1ZBB3M8wwni5NAZxqqHB231hlwNV2wBU5tH8GX76xSFLGaibwL+Gzc83xwZKkSAgNg2Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:07:54.190748Z"},"content_sha256":"208aaec6953401a60c4aee2c544b2c5d3f7b0ed2338f8272f260b7df49960fa1","schema_version":"1.0","event_id":"sha256:208aaec6953401a60c4aee2c544b2c5d3f7b0ed2338f8272f260b7df49960fa1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:NVE7CZEDIFHTLJEW5PSWHXZ4NX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transverse-momentum resummation for heavy-quark hadroproduction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Torre, M. Grazzini, S. Catani","submitted_at":"2014-08-20T09:01:49Z","abstract_excerpt":"We consider the production of a pair of heavy quarks ($Q{\\bar Q}$) in hadronic collisions. When the transverse momentum $q_T$ of the heavy-quark pair is much smaller than its invariant mass, the QCD perturbative expansion is affected by large logarithmic terms that must be resummed to all-orders. This behavior is well known from the simpler case of hadroproduction of colourless high-mass systems, such as vector or Higgs boson(s). In the case of $Q{\\bar Q}$ production, the final-state heavy quarks carry colour charge and are responsible for additional soft radiation (through direct emission and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4564","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":"2026-05-18T01:42:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLlx0nXM7AajkDchn0wBnVGzEjpfE6Pr5Y5hpF+QkV6Cr9YpjwF0DNusEQ9oUVkdN5cpirDaWcRVZ/3m3GN9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T10:07:54.191414Z"},"content_sha256":"978a8be794ebeec05da73b43558b7559d1b0009217f326ae1e1ed3741ba3f913","schema_version":"1.0","event_id":"sha256:978a8be794ebeec05da73b43558b7559d1b0009217f326ae1e1ed3741ba3f913"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX/bundle.json","state_url":"https://pith.science/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX/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":"2026-05-25T10:07:54Z","links":{"resolver":"https://pith.science/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX","bundle":"https://pith.science/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX/bundle.json","state":"https://pith.science/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVE7CZEDIFHTLJEW5PSWHXZ4NX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:NVE7CZEDIFHTLJEW5PSWHXZ4NX","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":"404de22bd4551cdbd8d4672d8b819cc9bd59e95485cda65cf7807105fe3e58e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-20T09:01:49Z","title_canon_sha256":"ea2eb41c2f4ea5d60fdc462afa8bbfb590ac7085b31405136e1800b42eda8c31"},"schema_version":"1.0","source":{"id":"1408.4564","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.4564","created_at":"2026-05-18T01:42:16Z"},{"alias_kind":"arxiv_version","alias_value":"1408.4564v2","created_at":"2026-05-18T01:42:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4564","created_at":"2026-05-18T01:42:16Z"},{"alias_kind":"pith_short_12","alias_value":"NVE7CZEDIFHT","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"NVE7CZEDIFHTLJEW","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"NVE7CZED","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:978a8be794ebeec05da73b43558b7559d1b0009217f326ae1e1ed3741ba3f913","target":"graph","created_at":"2026-05-18T01:42:16Z","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 consider the production of a pair of heavy quarks ($Q{\\bar Q}$) in hadronic collisions. When the transverse momentum $q_T$ of the heavy-quark pair is much smaller than its invariant mass, the QCD perturbative expansion is affected by large logarithmic terms that must be resummed to all-orders. This behavior is well known from the simpler case of hadroproduction of colourless high-mass systems, such as vector or Higgs boson(s). In the case of $Q{\\bar Q}$ production, the final-state heavy quarks carry colour charge and are responsible for additional soft radiation (through direct emission and","authors_text":"A. Torre, M. Grazzini, S. Catani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-20T09:01:49Z","title":"Transverse-momentum resummation for heavy-quark hadroproduction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4564","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":"sha256:208aaec6953401a60c4aee2c544b2c5d3f7b0ed2338f8272f260b7df49960fa1","target":"record","created_at":"2026-05-18T01:42:16Z","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":"404de22bd4551cdbd8d4672d8b819cc9bd59e95485cda65cf7807105fe3e58e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-20T09:01:49Z","title_canon_sha256":"ea2eb41c2f4ea5d60fdc462afa8bbfb590ac7085b31405136e1800b42eda8c31"},"schema_version":"1.0","source":{"id":"1408.4564","kind":"arxiv","version":2}},"canonical_sha256":"6d49f16483414f35a496ebe563df3c6dd65aa91e5793aa33c02539b2d9fbe7ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d49f16483414f35a496ebe563df3c6dd65aa91e5793aa33c02539b2d9fbe7ca","first_computed_at":"2026-05-18T01:42:16.957479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:16.957479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U3EZ9CAK2e1nAAv4MZ6ExbqmN8f2tUo9cAslA0WlyOcEdb3yrsg2hlggyp3cGAeB/sE3IMlZ+Cg6d1mwSoCsBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:16.958095Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.4564","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:208aaec6953401a60c4aee2c544b2c5d3f7b0ed2338f8272f260b7df49960fa1","sha256:978a8be794ebeec05da73b43558b7559d1b0009217f326ae1e1ed3741ba3f913"],"state_sha256":"3097540bd41459a7e7b792b7eade2afb01ffaab25a305f0d4ed5a4a76d60b53b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pD0+KH4opUPa3psl+sHgiB4aLCpfRlZt6nEYk+H2Aj8uh2ftuNmyTrPilMYxJoSS8aEUheVuPQCbTBUYITidCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T10:07:54.194921Z","bundle_sha256":"6d8083cec6d52a028edac357bd1c9d2b2e615746ba4de19d8905f1a9d5dc800b"}}