Pith Number

pith:IIMCECQB

pith:2026:IIMCECQBNUROEN72VRHXRZQKLB

not attested not anchored not stored refs pending

Can LLMs Introspect? A Reality Check

Shashwat Singh, Shauli Ravfogel, Tal Linzen

arxiv:2605.26242 v1 · 2026-05-25 · 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{IIMCECQBNUROEN72VRHXRZQKLB}

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	2026-05-27T01:05:07.546340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4218220a016d22e237faac4f78e60a58657d00424984f2c4e7fe83240c9776af

Aliases

arxiv: 2605.26242 · arxiv_version: 2605.26242v1 · doi: 10.48550/arxiv.2605.26242 · pith_short_12: IIMCECQBNURO · pith_short_16: IIMCECQBNUROEN72 · pith_short_8: IIMCECQB

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/IIMCECQBNUROEN72VRHXRZQKLB \
  | 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: 4218220a016d22e237faac4f78e60a58657d00424984f2c4e7fe83240c9776af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4b01d65a1f9713136002ab438a96fbf3cf48f7b9cf3b2e5301da542a0c80dc5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-25T18:07:49Z",
    "title_canon_sha256": "09e7def29f7569baf01ceb81b1c8f0e94d9c968cdddd33fcd8749be0d589a372"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26242",
    "kind": "arxiv",
    "version": 1
  }
}