{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:35FKTRE7NGPYBJHNJNQMTTXGRO","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":"f16617f0a66caa64407b5a89310e7a131cf47afaf2cef85d58f3c0a98083504d","cross_cats_sorted":["q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-01-13T20:54:03Z","title_canon_sha256":"32555d2b6a7ea7201eed124bcf53b768e3e5ba9cdc54a14276b5d804cb1f4869"},"schema_version":"1.0","source":{"id":"1201.2933","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.2933","created_at":"2026-05-18T04:04:42Z"},{"alias_kind":"arxiv_version","alias_value":"1201.2933v1","created_at":"2026-05-18T04:04:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2933","created_at":"2026-05-18T04:04:42Z"},{"alias_kind":"pith_short_12","alias_value":"35FKTRE7NGPY","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"35FKTRE7NGPYBJHN","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"35FKTRE7","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:f97016eaed659a184f672dde44b43c8bbb7cd30757119adf4e4503e100220254","target":"graph","created_at":"2026-05-18T04:04:42Z","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":"In vertebrates, olfactory sensory neurons choose only one olfactory receptor to produce out of ~2000 possibilities. The mechanism for how this singular receptor expression occurs is unknown. Here we propose a mechanism that can stochastically select a single gene out of a large number of possibilities. In this model, receptor genes compete for a limited pool of transcription factors (TFs). The gene that recruits a target number of TFs is selected for expression. To support this mechanism, we have attempted to detect repeated motifs within known sequences of mouse olfactory receptor promoters. ","authors_text":"Alexei A. Koulakov, Brian E. Kolterman, Ivan Iossifov","cross_cats":["q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-01-13T20:54:03Z","title":"A race model for singular olfactory receptor expression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2933","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":"sha256:9e6e96e257ff5afdd6055d3790a39da5de6c82767f8521e023721e5ebc0bc60b","target":"record","created_at":"2026-05-18T04:04:42Z","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":"f16617f0a66caa64407b5a89310e7a131cf47afaf2cef85d58f3c0a98083504d","cross_cats_sorted":["q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.MN","submitted_at":"2012-01-13T20:54:03Z","title_canon_sha256":"32555d2b6a7ea7201eed124bcf53b768e3e5ba9cdc54a14276b5d804cb1f4869"},"schema_version":"1.0","source":{"id":"1201.2933","kind":"arxiv","version":1}},"canonical_sha256":"df4aa9c49f699f80a4ed4b60c9cee68b8cf10b292ee89ef75e46b0d213c9d49f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df4aa9c49f699f80a4ed4b60c9cee68b8cf10b292ee89ef75e46b0d213c9d49f","first_computed_at":"2026-05-18T04:04:42.896363Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:42.896363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+LmB4hyL3hUQCXjoGQrXuOm+XuUfWutLl+2w6MCMFTjfGX5J5yDv9V6iQI9YX94jf9d+AbAVB36ejQuu0nZhBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:42.896824Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.2933","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e6e96e257ff5afdd6055d3790a39da5de6c82767f8521e023721e5ebc0bc60b","sha256:f97016eaed659a184f672dde44b43c8bbb7cd30757119adf4e4503e100220254"],"state_sha256":"e978281060ec7d2ad9460b6499306b6fea56ce1a9b7abfa53715e9cc61c76adb"}