Pith Number

pith:FBKOA47I

pith:2026:FBKOA47IKSKEC4DMQT4XOLCGSW

not attested not anchored not stored refs pending

Optimal Deterministic Multicalibration and Omniprediction

Aaron Roth, Georgy Noarov

arxiv:2606.20557 v1 · 2026-06-18 · cs.LG · math.ST · stat.ML · 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{FBKOA47IKSKEC4DMQT4XOLCGSW}

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.

Receipt and verification

First computed	2026-06-19T16:13:15.282546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2854e073e8549441706c84f9772c469590085eb211dc7a0ab2466401e1a3b973

Aliases

arxiv: 2606.20557 · arxiv_version: 2606.20557v1 · doi: 10.48550/arxiv.2606.20557 · pith_short_12: FBKOA47IKSKE · pith_short_16: FBKOA47IKSKEC4DM · pith_short_8: FBKOA47I

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/FBKOA47IKSKEC4DMQT4XOLCGSW \
  | 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: 2854e073e8549441706c84f9772c469590085eb211dc7a0ab2466401e1a3b973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6220b971b4351814d2dae042f56705e65b853ace33ac95969a5c749d8ff3bbf",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-18T17:59:31Z",
    "title_canon_sha256": "15ac5aa854d9a87765e20e995a25e2f82bb761a17789d8cb9bfa1a69d8967042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20557",
    "kind": "arxiv",
    "version": 1
  }
}