{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:E5S7KXFASLDB2MHBIZPNXD6BR7","short_pith_number":"pith:E5S7KXFA","canonical_record":{"source":{"id":"2602.15253","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-02-16T23:20:58Z","cross_cats_sorted":["q-bio.GN"],"title_canon_sha256":"797f92432d2183d803434b4ddcf5f88ba76902c7693645883ae92eaf56633322","abstract_canon_sha256":"261e889099b1a547d81ee3da013f236db1d3bff57eb70184094b8c6c326c0e9a"},"schema_version":"1.0"},"canonical_sha256":"2765f55ca092c61d30e1465edb8fc18fc4309b22a7eea002c65086a0ca20c17a","source":{"kind":"arxiv","id":"2602.15253","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.15253","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"arxiv_version","alias_value":"2602.15253v2","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.15253","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"pith_short_12","alias_value":"E5S7KXFASLDB","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"pith_short_16","alias_value":"E5S7KXFASLDB2MHB","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"pith_short_8","alias_value":"E5S7KXFA","created_at":"2026-06-09T01:04:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:E5S7KXFASLDB2MHBIZPNXD6BR7","target":"record","payload":{"canonical_record":{"source":{"id":"2602.15253","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-02-16T23:20:58Z","cross_cats_sorted":["q-bio.GN"],"title_canon_sha256":"797f92432d2183d803434b4ddcf5f88ba76902c7693645883ae92eaf56633322","abstract_canon_sha256":"261e889099b1a547d81ee3da013f236db1d3bff57eb70184094b8c6c326c0e9a"},"schema_version":"1.0"},"canonical_sha256":"2765f55ca092c61d30e1465edb8fc18fc4309b22a7eea002c65086a0ca20c17a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:04:41.431112Z","signature_b64":"5FOQiC7mg8DRagoHIQ4Sgyh1bi3LJkWtTWEiWDdcLyTcgd4QlKlEkB2TmaXz41Wmpc/nNWQPTORLJavTciUsAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2765f55ca092c61d30e1465edb8fc18fc4309b22a7eea002c65086a0ca20c17a","last_reissued_at":"2026-06-09T01:04:41.430562Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:04:41.430562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2602.15253","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":"2026-06-09T01:04:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ioDUX/9FsRRKQjaUIK2PR2ogGyFlaDvEo4x4MaDRfKdcv5PQx01k6DYJ2VkV1vU9OaI1+o4cnUBTYDsuGryCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:33:20.439434Z"},"content_sha256":"2166630ec85c7e0b23bfc6e1a7f229a8cde8f96407a99cf4771f3b885e37ca55","schema_version":"1.0","event_id":"sha256:2166630ec85c7e0b23bfc6e1a7f229a8cde8f96407a99cf4771f3b885e37ca55"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:E5S7KXFASLDB2MHBIZPNXD6BR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scaling Laws for Masked-Reconstruction Transformers on Single-Cell Transcriptomics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["q-bio.GN"],"primary_cat":"cs.LG","authors_text":"Ihor Kendiukhov","submitted_at":"2026-02-16T23:20:58Z","abstract_excerpt":"Neural scaling laws -- power-law relationships between loss, model size, and data -- have been extensively documented for language and vision transformers, yet their existence in single-cell genomics remains largely unexplored. We present the first systematic study of scaling behaviour for masked-reconstruction transformers trained on single-cell RNA sequencing (scRNA-seq) data. Using expression profiles from the CELLxGENE Census, we construct two experimental regimes: a data-rich regime (512 highly variable genes, 200,000 cells) and a data-limited regime (1,024 genes, 10,000 cells). Across se"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.15253","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.15253/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":"2026-06-09T01:04:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mizF8Xzrx3m6WK8TfrusMdvIlFI3Q0A59SE4+lavHeIzHHVlPHB3jBKsZRswodQNm4y9aJ7tZSayU6J69YKnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:33:20.439810Z"},"content_sha256":"0991d3e5a5948f61d184b82cda37319f8fc27bb4272ab815619a343f60d1d99a","schema_version":"1.0","event_id":"sha256:0991d3e5a5948f61d184b82cda37319f8fc27bb4272ab815619a343f60d1d99a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E5S7KXFASLDB2MHBIZPNXD6BR7/bundle.json","state_url":"https://pith.science/pith/E5S7KXFASLDB2MHBIZPNXD6BR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E5S7KXFASLDB2MHBIZPNXD6BR7/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":"2026-07-07T12:33:20Z","links":{"resolver":"https://pith.science/pith/E5S7KXFASLDB2MHBIZPNXD6BR7","bundle":"https://pith.science/pith/E5S7KXFASLDB2MHBIZPNXD6BR7/bundle.json","state":"https://pith.science/pith/E5S7KXFASLDB2MHBIZPNXD6BR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E5S7KXFASLDB2MHBIZPNXD6BR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:E5S7KXFASLDB2MHBIZPNXD6BR7","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":"261e889099b1a547d81ee3da013f236db1d3bff57eb70184094b8c6c326c0e9a","cross_cats_sorted":["q-bio.GN"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-02-16T23:20:58Z","title_canon_sha256":"797f92432d2183d803434b4ddcf5f88ba76902c7693645883ae92eaf56633322"},"schema_version":"1.0","source":{"id":"2602.15253","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.15253","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"arxiv_version","alias_value":"2602.15253v2","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.15253","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"pith_short_12","alias_value":"E5S7KXFASLDB","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"pith_short_16","alias_value":"E5S7KXFASLDB2MHB","created_at":"2026-06-09T01:04:41Z"},{"alias_kind":"pith_short_8","alias_value":"E5S7KXFA","created_at":"2026-06-09T01:04:41Z"}],"graph_snapshots":[{"event_id":"sha256:0991d3e5a5948f61d184b82cda37319f8fc27bb4272ab815619a343f60d1d99a","target":"graph","created_at":"2026-06-09T01:04:41Z","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/2602.15253/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Neural scaling laws -- power-law relationships between loss, model size, and data -- have been extensively documented for language and vision transformers, yet their existence in single-cell genomics remains largely unexplored. We present the first systematic study of scaling behaviour for masked-reconstruction transformers trained on single-cell RNA sequencing (scRNA-seq) data. Using expression profiles from the CELLxGENE Census, we construct two experimental regimes: a data-rich regime (512 highly variable genes, 200,000 cells) and a data-limited regime (1,024 genes, 10,000 cells). Across se","authors_text":"Ihor Kendiukhov","cross_cats":["q-bio.GN"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-02-16T23:20:58Z","title":"Scaling Laws for Masked-Reconstruction Transformers on Single-Cell Transcriptomics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.15253","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":"sha256:2166630ec85c7e0b23bfc6e1a7f229a8cde8f96407a99cf4771f3b885e37ca55","target":"record","created_at":"2026-06-09T01:04:41Z","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":"261e889099b1a547d81ee3da013f236db1d3bff57eb70184094b8c6c326c0e9a","cross_cats_sorted":["q-bio.GN"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-02-16T23:20:58Z","title_canon_sha256":"797f92432d2183d803434b4ddcf5f88ba76902c7693645883ae92eaf56633322"},"schema_version":"1.0","source":{"id":"2602.15253","kind":"arxiv","version":2}},"canonical_sha256":"2765f55ca092c61d30e1465edb8fc18fc4309b22a7eea002c65086a0ca20c17a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2765f55ca092c61d30e1465edb8fc18fc4309b22a7eea002c65086a0ca20c17a","first_computed_at":"2026-06-09T01:04:41.430562Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:04:41.430562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5FOQiC7mg8DRagoHIQ4Sgyh1bi3LJkWtTWEiWDdcLyTcgd4QlKlEkB2TmaXz41Wmpc/nNWQPTORLJavTciUsAA==","signature_status":"signed_v1","signed_at":"2026-06-09T01:04:41.431112Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.15253","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2166630ec85c7e0b23bfc6e1a7f229a8cde8f96407a99cf4771f3b885e37ca55","sha256:0991d3e5a5948f61d184b82cda37319f8fc27bb4272ab815619a343f60d1d99a"],"state_sha256":"11a76612b87c435fcd67cd79012750011c2015ad736ff8185a7aee20cdd0faad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tu3Kq6qYhqUmLeWAhrYkuRcA7z4gKCKK9zZ05yn/cVTO1+dIHChe1pV6MqKJd8kKbpeGThqIxAoG/BT2hbx7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:33:20.441827Z","bundle_sha256":"d0cbfb3b0251c779de13b0b93ba7176955bc348d5bbd3cc0c886959493bfe103"}}