Pith Number

pith:HW3A2YIG

pith:2026:HW3A2YIG64GD2LTDNQOLND623E

not attested not anchored not stored refs pending

Chessformer: A Unified Architecture for Chess Modeling

Ashton Anderson, Daniel Monroe, George Eilender, Philip Chalmers, Zhenwei Tang

arxiv:2605.19091 v1 · 2026-05-18 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HW3A2YIG64GD2LTDNQOLND623E}

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	2026-05-20T01:05:26.833477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db60d6106f70c3d2e636c1cb68fdad93152b9c7154fc812b68d7796b0e4590c

Aliases

arxiv: 2605.19091 · arxiv_version: 2605.19091v1 · doi: 10.48550/arxiv.2605.19091 · pith_short_12: HW3A2YIG64GD · pith_short_16: HW3A2YIG64GD2LTD · pith_short_8: HW3A2YIG

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/HW3A2YIG64GD2LTDNQOLND623E \
  | 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: 3db60d6106f70c3d2e636c1cb68fdad93152b9c7154fc812b68d7796b0e4590c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0a1b8f4e222ce7c3b1652c02e319ecd69c706789d1c649998b701c481ed0b84",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-18T20:27:01Z",
    "title_canon_sha256": "056cd48e2252494cb24d867c0b6ad3622de98dfc2e5b2a4fe96a514dcae4fca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19091",
    "kind": "arxiv",
    "version": 1
  }
}