Pith Number

pith:CQKIATQS

pith:2026:CQKIATQSJUVX3HH3GCU2IPRGCL

not attested not anchored not stored refs pending

An Optimal Agnostic PAC Algorithm

Jian Qian, Markus Engelund Mathiasen, Nikita Zhivotovskiy

arxiv:2608.06363 v1 · 2026-08-06 · cs.LG · cs.AI · cs.DS · math.ST · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQKIATQSJUVX3HH3GCU2IPRGCL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Optimistic Rates for Multiclass PAC Learning

Receipt and verification

First computed	2026-08-07T01:41:29.117507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1414804e124d2b7d9cfb30a9a43e2612e07ff6816c376852bfe5d9c2de85a316

Aliases

arxiv: 2608.06363 · arxiv_version: 2608.06363v1 · doi: 10.48550/arxiv.2608.06363 · pith_short_12: CQKIATQSJUVX · pith_short_16: CQKIATQSJUVX3HH3 · pith_short_8: CQKIATQS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CQKIATQSJUVX3HH3GCU2IPRGCL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1414804e124d2b7d9cfb30a9a43e2612e07ff6816c376852bfe5d9c2de85a316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1e03d3a9b26402072eeb99f7498d41d402ab63cee34b3bfc8f60463f24a215d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DS",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-06T17:57:25Z",
    "title_canon_sha256": "4bf12211038afea5a931b0ac307bf3d8b659f420ffc0cbae06d41dd2555662db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06363",
    "kind": "arxiv",
    "version": 1
  }
}