Pith Number

pith:DFH267DB

pith:2026:DFH267DBFKCZOD5THGWYI5JAF6

not attested not anchored not stored refs pending

Beyond Fixed Representations: The Vocabulary and Verifier Gaps in Open-Ended AI

Haiqian Yang, Yuan Cao

arxiv:2607.09560 v1 · 2026-07-10 · cs.AI · 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{DFH267DBFKCZOD5THGWYI5JAF6}

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	2026-07-13T01:20:20.351395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194faf7c612a85970fb339ad8475202fb2f35b2dd18b535ad08550a309998143

Aliases

arxiv: 2607.09560 · arxiv_version: 2607.09560v1 · doi: 10.48550/arxiv.2607.09560 · pith_short_12: DFH267DBFKCZ · pith_short_16: DFH267DBFKCZOD5T · pith_short_8: DFH267DB

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/DFH267DBFKCZOD5THGWYI5JAF6 \
  | 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: 194faf7c612a85970fb339ad8475202fb2f35b2dd18b535ad08550a309998143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "410372bf744859a69fec503b4eb5d76d1ec4dfe1dcc70ad714b37bb3c96bb5d8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-10T16:05:01Z",
    "title_canon_sha256": "1a919ead7870b48dadc96440e509639de534d12df98bfa453d3b4d9976fda17a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09560",
    "kind": "arxiv",
    "version": 1
  }
}