Pith Number

pith:VPOC3ES3

pith:2026:VPOC3ES36C3IQT4EGPJNDK2UQA

not attested not anchored not stored refs pending

First Proof Second Batch

Lauren Williams, Mohammed Abouzaid, Nikhil Srivastava, Rachel Ward

arxiv:2606.18119 v1 · 2026-06-16 · 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{VPOC3ES36C3IQT4EGPJNDK2UQA}

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	2026-06-19T16:10:48.863147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abdc2d925bf0b6884f8433d2d1ab54802dbeeee1b7f11022c3a3e979847e5ec9

Aliases

arxiv: 2606.18119 · arxiv_version: 2606.18119v1 · doi: 10.48550/arxiv.2606.18119 · pith_short_12: VPOC3ES36C3I · pith_short_16: VPOC3ES36C3IQT4E · pith_short_8: VPOC3ES3

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/VPOC3ES36C3IQT4EGPJNDK2UQA \
  | 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: abdc2d925bf0b6884f8433d2d1ab54802dbeeee1b7f11022c3a3e979847e5ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e20ea68e3389cd8cf449246c105bbd684b83d7be12d467b681cff1f181b1b04e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-16T16:21:33Z",
    "title_canon_sha256": "a1464356a417996e6b24e40f1d59e0cce4af38a5965bcf5e86828a9f19d30532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18119",
    "kind": "arxiv",
    "version": 1
  }
}