Pith Number

pith:ZYKTUYB5

pith:2026:ZYKTUYB5LF6EU5KZUSMG77BWR4

not attested not anchored not stored refs pending

Do LLMs Know What They Know? Measuring Metacognitive Efficiency with Signal Detection Theory

Jon-Paul Cacioli

arxiv:2603.25112 v2 · 2026-03-26 · 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{ZYKTUYB5LF6EU5KZUSMG77BWR4}

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.

Cited by

7 papers in Pith

Do Coding Agents Understand Least-Privilege Authorization?

Verbal Confidence Saturation in 3-9B Open-Weight Instruction-Tuned LLMs: A Pre-Registered Psychometric Validity Screen

K-Way Energy Probes for Metacognition Reduce to Softmax in Discriminative Predictive Coding Networks

Quantisation Reshapes the Metacognitive Geometry of Language Models

MEDLEY-BENCH: Scale Buys Evaluation but Not Control in AI Metacognition

Receipt and verification

First computed	2026-07-15T00:21:18.115410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce153a603d597c4a7559a4986ffc368f2fd10f676f13dff899ea4fc2134b918f

Aliases

arxiv: 2603.25112 · arxiv_version: 2603.25112v2 · doi: 10.48550/arxiv.2603.25112 · pith_short_12: ZYKTUYB5LF6E · pith_short_16: ZYKTUYB5LF6EU5KZ · pith_short_8: ZYKTUYB5

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/ZYKTUYB5LF6EU5KZUSMG77BWR4 \
  | 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: ce153a603d597c4a7559a4986ffc368f2fd10f676f13dff899ea4fc2134b918f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "240b9b134922941c225ffd12e555539ce0c9b4d757052ea9075022034ec974f6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-03-26T07:38:28Z",
    "title_canon_sha256": "1c5a184399c064dea72fd8d4ee2827a261bbf840f3aecc2ebf12b05da71eae91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.25112",
    "kind": "arxiv",
    "version": 2
  }
}