Pith Number

pith:VD2I22LL

pith:2026:VD2I22LLLRQE27NQAM2XPRGWNA

not attested not anchored not stored refs pending

Don't Offer What Can't Be Done: Deterministic Executability Gating for LLM Skill Selection at Scale

Mykhailo Ulianchenko, Ortal Ashkenazi, Vitalii Kloz

arxiv:2608.01050 v1 · 2026-08-02 · cs.AI · cs.CL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VD2I22LLLRQE27NQAM2XPRGWNA}

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	2026-08-04T01:56:23.461084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f48d696b5c604d7db0033577c4d6682541f46a289e7c0b72129b68ab71ccb3

Aliases

arxiv: 2608.01050 · arxiv_version: 2608.01050v1 · doi: 10.48550/arxiv.2608.01050 · pith_short_12: VD2I22LLLRQE · pith_short_16: VD2I22LLLRQE27NQ · pith_short_8: VD2I22LL

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/VD2I22LLLRQE27NQAM2XPRGWNA \
  | 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: a8f48d696b5c604d7db0033577c4d6682541f46a289e7c0b72129b68ab71ccb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aac27086b94bf3d960788c9112c07eba817cbbf7cd6b40d3384afff31bcc817",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-02T07:32:49Z",
    "title_canon_sha256": "ffba87e621a0c1ee6166e0b60c8c971b1c3940dc1243c4732a956498ff84f1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01050",
    "kind": "arxiv",
    "version": 1
  }
}