Pith Number

pith:CNCYNLEY

pith:2015:CNCYNLEYKCFRFGF5VWTQ3HIQEI

not attested not anchored not stored refs pending

Giraffe: Using Deep Reinforcement Learning to Play Chess

Matthew Lai

arxiv:1509.01549 v2 · 2015-09-04 · cs.AI · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNCYNLEYKCFRFGF5VWTQ3HIQEI}

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

Learning to Plan via Supervised Contrastive Learning and Strategic Interpolation: A Chess Case Study

Receipt and verification

First computed	2026-05-18T01:33:15.095052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

134586ac98508b1298bdada70d9d102203889f95c8547c0fffc4b5bbd27d675a

Aliases

arxiv: 1509.01549 · arxiv_version: 1509.01549v2 · doi: 10.48550/arxiv.1509.01549 · pith_short_12: CNCYNLEYKCFR · pith_short_16: CNCYNLEYKCFRFGF5 · pith_short_8: CNCYNLEY

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/CNCYNLEYKCFRFGF5VWTQ3HIQEI \
  | 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: 134586ac98508b1298bdada70d9d102203889f95c8547c0fffc4b5bbd27d675a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ae84c60b2c474e9f70b07f1e2999f5cc7d58796381875447c74135ff649744",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-09-04T18:21:52Z",
    "title_canon_sha256": "b0ee3d3fa0733bb4388d4ddb7e7b996e9043b1b3d1dfd45600c47d3bb45c03a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01549",
    "kind": "arxiv",
    "version": 2
  }
}