Pith Number

pith:FCO5YZ3Q

pith:2026:FCO5YZ3QYPKHBNSJ4Q32AO7QWI

not attested not anchored not stored refs pending

Modality-Driven Search with Holistic Trace Judging for ARC-AGI-2

Johan Land

arxiv:2606.31543 v1 · 2026-06-30 · cs.AI · cs.CL · 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{FCO5YZ3QYPKHBNSJ4Q32AO7QWI}

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	2026-07-01T01:18:06.619804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

289ddc6770c3d470b649e437a03bf0b217bf794f823b9c9f274bd7830f69d862

Aliases

arxiv: 2606.31543 · arxiv_version: 2606.31543v1 · doi: 10.48550/arxiv.2606.31543 · pith_short_12: FCO5YZ3QYPKH · pith_short_16: FCO5YZ3QYPKHBNSJ · pith_short_8: FCO5YZ3Q

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/FCO5YZ3QYPKHBNSJ4Q32AO7QWI \
  | 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: 289ddc6770c3d470b649e437a03bf0b217bf794f823b9c9f274bd7830f69d862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6942a8aea496e2b173ae5b517ac3fe0495c8840fb3b07f6c30b1a8eb667533ed",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-30T11:55:33Z",
    "title_canon_sha256": "46e4e99e1e33509d4793d99b4b4e252c32007a578ebed06da0f6ecf572e369a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31543",
    "kind": "arxiv",
    "version": 1
  }
}