Pith Number

pith:5XI6PVB2

pith:2025:5XI6PVB2BXTR64XUTZPISJSCFS

not attested not anchored not stored refs pending

Are the Hidden States Hiding Something? Testing the Limits of Factuality-Encoding Capabilities in LLMs

Alessandro De Bellis, Dario Di Palma, Giovanni Servedio, Tommaso Di Noia, Vito Walter Anelli

arxiv:2505.16520 v3 · 2025-05-22 · 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{5XI6PVB2BXTR64XUTZPISJSCFS}

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	2026-07-05T11:12:32.709884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edd1e7d43a0de71f72f49e5e8926422c9dae5c91eb1fdfe9601ee4506142acbe

Aliases

arxiv: 2505.16520 · arxiv_version: 2505.16520v3 · doi: 10.48550/arxiv.2505.16520 · pith_short_12: 5XI6PVB2BXTR · pith_short_16: 5XI6PVB2BXTR64XU · pith_short_8: 5XI6PVB2

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/5XI6PVB2BXTR64XUTZPISJSCFS \
  | 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: edd1e7d43a0de71f72f49e5e8926422c9dae5c91eb1fdfe9601ee4506142acbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edc40411627e5014315675c70bc1eadee2593e380832a4dbab899858a146358e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-22T11:00:53Z",
    "title_canon_sha256": "c44cdc511ce79d46b37696fb159012e68491f4baada527dbc892b486f12e4f63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16520",
    "kind": "arxiv",
    "version": 3
  }
}