Pith Number

pith:FD5OYM27

pith:2026:FD5OYM274JKJHVAW725W7CU4F5

not attested not anchored not stored refs pending

From Leaky Thoughts to Private Reasoning: Controlling What LRMs Say to Themselves

Haonan Li, Haritz Puerto, Iryna Gurevych, Timothy Baldwin, Xudong Han

arxiv:2602.24210 v2 · 2026-02-27 · 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{FD5OYM274JKJHVAW725W7CU4F5}

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	2026-06-01T02:03:35.961108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28faec335fe25493d416febb6f8a9c2f70ac8b893f4f14fc037f0e7164b7e894

Aliases

arxiv: 2602.24210 · arxiv_version: 2602.24210v2 · doi: 10.48550/arxiv.2602.24210 · pith_short_12: FD5OYM274JKJ · pith_short_16: FD5OYM274JKJHVAW · pith_short_8: FD5OYM27

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/FD5OYM274JKJHVAW725W7CU4F5 \
  | 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: 28faec335fe25493d416febb6f8a9c2f70ac8b893f4f14fc037f0e7164b7e894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c5356ea4cd716bdf8d58f8158e52be64742ce6f554047d42c00d499a576a355",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-27T17:39:10Z",
    "title_canon_sha256": "a0b65556c527059ed2afaaf9c62f8030a68add20310126d3dbdda7040f4867de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.24210",
    "kind": "arxiv",
    "version": 2
  }
}