Pith Number

pith:64BWVOMY

pith:2021:64BWVOMYSFQW2QWRZBYCDDBLFI

not attested not anchored not stored refs pending

Classification of the Chess Endgame problem using Logistic Regression, Decision Trees, and Neural Networks

Mahmoud S. Fayed

arxiv:2111.05976 v1 · 2021-11-10 · cs.LG · 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{64BWVOMYSFQW2QWRZBYCDDBLFI}

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	2026-07-05T03:30:56.775864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7036ab99891616d42d1c870218c2b2a32fcce8376598a42616580ac3d78d681

Aliases

arxiv: 2111.05976 · arxiv_version: 2111.05976v1 · doi: 10.48550/arxiv.2111.05976 · pith_short_12: 64BWVOMYSFQW · pith_short_16: 64BWVOMYSFQW2QWR · pith_short_8: 64BWVOMY

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/64BWVOMYSFQW2QWRZBYCDDBLFI \
  | 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: f7036ab99891616d42d1c870218c2b2a32fcce8376598a42616580ac3d78d681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb57988a6064b505c021a8485299b507420ae48976fa6dccc65769602920afb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-10T22:41:17Z",
    "title_canon_sha256": "c96be9fbe65fcae246957bac03e548487913523441bfa999c953072f04c0dd0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.05976",
    "kind": "arxiv",
    "version": 1
  }
}