Pith Number

pith:FUG3WZNJ

pith:2026:FUG3WZNJYYAVBUIYCIMYYGTMLK

not attested not anchored not stored refs pending

Fork-Think with Confidence

Dietrich Klakow, Ji-Ung Lee, Rafi Hakim, Zena Al-Khalili

arxiv:2606.31484 v1 · 2026-06-30 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUG3WZNJYYAVBUIYCIMYYGTMLK}

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	2026-07-01T01:18:04.690194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d0dbb65a9c60150d11812198c1a6c5aba555413c0658324d470e0d485fbbb81

Aliases

arxiv: 2606.31484 · arxiv_version: 2606.31484v1 · doi: 10.48550/arxiv.2606.31484 · pith_short_12: FUG3WZNJYYAV · pith_short_16: FUG3WZNJYYAVBUIY · pith_short_8: FUG3WZNJ

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/FUG3WZNJYYAVBUIYCIMYYGTMLK \
  | 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: 2d0dbb65a9c60150d11812198c1a6c5aba555413c0658324d470e0d485fbbb81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d43d1fc66cc461b691bb97cbaa3c66fdd6046ef7c62bb3c6f1663b4a99336de0",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-30T10:59:20Z",
    "title_canon_sha256": "1498bf3666b87a6e3d4336bca64b80923c57d4ab97df2108514072c77c0bcec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31484",
    "kind": "arxiv",
    "version": 1
  }
}