Pith Number

pith:QPUXG7EI

pith:2026:QPUXG7EIIRIOFTHW43FQY7ZP7Z

not attested not anchored not stored refs pending

UniMaia: Steering Chess Policies with Language for Human-like Play

2) ((1) University of Waterloo, (2) Carleton University), Lesley Istead (1, Sherman Siu (1)

arxiv:2605.27767 v1 · 2026-05-26 · cs.CL · cs.AI · 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{QPUXG7EIIRIOFTHW43FQY7ZP7Z}

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	2026-05-28T01:04:48.377339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e9737c884450e2ccf6e6cb0c7f2ffe49febf901b4018f36c513ac3a6a62b08

Aliases

arxiv: 2605.27767 · arxiv_version: 2605.27767v1 · doi: 10.48550/arxiv.2605.27767 · pith_short_12: QPUXG7EIIRIO · pith_short_16: QPUXG7EIIRIOFTHW · pith_short_8: QPUXG7EI

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/QPUXG7EIIRIOFTHW43FQY7ZP7Z \
  | 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: 83e9737c884450e2ccf6e6cb0c7f2ffe49febf901b4018f36c513ac3a6a62b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d5445566fe36d997023e187effe1a212b51b1018dd3fa60f53ade7fce2d000",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-26T23:32:58Z",
    "title_canon_sha256": "c5aed54fa0383d9e745420abe2dd6be885cc9b5ad59c91411c63dbbca4c02d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27767",
    "kind": "arxiv",
    "version": 1
  }
}