Pith Number

pith:PJJHHSKF

pith:2026:PJJHHSKFX2AN7UI2UJNTONXECU

not attested not anchored not stored refs pending

Committed Before Reasoning: Behavioral Reproduction and Preliminary Activation-Level Evidence of Answer Pre-Commitment in an Open-Weight LLM

Heejin Jo

arxiv:2607.16451 v1 · 2026-07-17 · cs.CL · 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{PJJHHSKFX2AN7UI2UJNTONXECU}

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	2026-07-21T00:20:19.324115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a5273c945be80dfd11aa25b3736e4152c972aa5fe6c1c2ae0f18227924f6e34

Aliases

arxiv: 2607.16451 · arxiv_version: 2607.16451v1 · doi: 10.48550/arxiv.2607.16451 · pith_short_12: PJJHHSKFX2AN · pith_short_16: PJJHHSKFX2AN7UI2 · pith_short_8: PJJHHSKF

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/PJJHHSKFX2AN7UI2UJNTONXECU \
  | 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: 7a5273c945be80dfd11aa25b3736e4152c972aa5fe6c1c2ae0f18227924f6e34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a852fe88c70e2e3783b04e3c57bef385b74ee429fad8680dec24ae6fd69aff77",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-17T18:49:15Z",
    "title_canon_sha256": "1258bd82f55f2b34083777e95c210cab2e1a8e9ebb0298a0d7f31980121a3e22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16451",
    "kind": "arxiv",
    "version": 1
  }
}