Pith Number

pith:5IK5BHX6

pith:2026:5IK5BHX6UI7UI3VRRSJAWBPUGX

not attested not anchored not stored refs pending

Grounded Chess Reasoning in Language Models via Master Distillation

Ashton Anderson, Blair Yang, Honghua Dong, Qianfeng Wen, Seth Grief-Albert, Yahya Elgabra, Zhenwei Tang

arxiv:2603.20510 v2 · 2026-03-20 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IK5BHX6UI7UI3VRRSJAWBPUGX}

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	2026-06-24T01:14:27.125209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea15d09efea23f446eb18c920b05f435e778587c38c635f554a2499f11e6309e

Aliases

arxiv: 2603.20510 · arxiv_version: 2603.20510v2 · doi: 10.48550/arxiv.2603.20510 · pith_short_12: 5IK5BHX6UI7U · pith_short_16: 5IK5BHX6UI7UI3VR · pith_short_8: 5IK5BHX6

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/5IK5BHX6UI7UI3VRRSJAWBPUGX \
  | 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: ea15d09efea23f446eb18c920b05f435e778587c38c635f554a2499f11e6309e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3b6ecd7054b1e65cf9ac5cab172eb68194405e84a27af1f830e8f573d5be58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-03-20T21:24:28Z",
    "title_canon_sha256": "2a0dfe103505613ae49f9cfbcd1a7f3beeb3738c2a6dc1e7134c4afb8821e481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.20510",
    "kind": "arxiv",
    "version": 2
  }
}