Pith Number

pith:F3TOXWUL

pith:2026:F3TOXWULWY4XUYJF64KQEZ6W5X

not attested not anchored not stored refs pending

Same Patient, Different Words, Different Diagnosis? Evaluating Semantic Stability in Clinical LLMs

Adnan Qayyum, Junaid Qadir, Mahdi Alkaeed, Muhammad Bilal, Nabeel Abo Kashreef

arxiv:2605.30646 v1 · 2026-05-28 · 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{F3TOXWULWY4XUYJF64KQEZ6W5X}

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	2026-06-01T01:03:06.043795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee6ebda8bb6397a6125f7150267d6ede2ec72343ee99d5bd5a2a1e0d59092ac

Aliases

arxiv: 2605.30646 · arxiv_version: 2605.30646v1 · doi: 10.48550/arxiv.2605.30646 · pith_short_12: F3TOXWULWY4X · pith_short_16: F3TOXWULWY4XUYJF · pith_short_8: F3TOXWUL

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/F3TOXWULWY4XUYJF64KQEZ6W5X \
  | 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: 2ee6ebda8bb6397a6125f7150267d6ede2ec72343ee99d5bd5a2a1e0d59092ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9867fbccdb7027fb3c6ee58ade54f05e2dd629844e99877767f9301c29ed85",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-28T23:03:43Z",
    "title_canon_sha256": "c32f46a20c766fd888af47410aeb02947fce852279489740fb09f1301b8fbf6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30646",
    "kind": "arxiv",
    "version": 1
  }
}