Pith Number

pith:NQXHZ64K

pith:2026:NQXHZ64KN3EMYDKNRUXF646SXX

not attested not anchored not stored refs pending

An LLM-Native Psychometric Instrument Does Not Predict LLM Behavior: Evidence Across 25 Models

Juan Manuel Contreras

arxiv:2606.09843 v1 · 2026-04-24 · cs.HC · cs.AI · 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{NQXHZ64KN3EMYDKNRUXF646SXX}

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	2026-06-10T00:08:28.060759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2e7cfb8a6ec8cc0d4d8d2e5f73d2bdcf45448f4d8b717138278b413dca8d7c

Aliases

arxiv: 2606.09843 · arxiv_version: 2606.09843v1 · doi: 10.48550/arxiv.2606.09843 · pith_short_12: NQXHZ64KN3EM · pith_short_16: NQXHZ64KN3EMYDKN · pith_short_8: NQXHZ64K

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/NQXHZ64KN3EMYDKNRUXF646SXX \
  | 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: 6c2e7cfb8a6ec8cc0d4d8d2e5f73d2bdcf45448f4d8b717138278b413dca8d7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3aa3c897e5cb3d17d94f5ba02f681bc47c80c8b9e4ec1f68febe6da3b3ba4fe",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2026-04-24T04:42:09Z",
    "title_canon_sha256": "38b8b7d36225c5b25106ab53e7256dba3f017e8a1bd40d00c57474a4b6a0bc83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09843",
    "kind": "arxiv",
    "version": 1
  }
}