Pith Number

pith:EE32JH4D

pith:2026:EE32JH4DGZZEN26ZBEF4PTGGQI

not attested not anchored not stored refs pending

Marking the Wrong Symptoms: Evaluating LLM Watermarks in Medical Texts

Martin Vechev, Melanie Rieff, Robin Staab, Stefan Hegselmann, Thibaud Gloaguen

arxiv:2607.20462 v1 · 2026-05-16 · 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{EE32JH4DGZZEN26ZBEF4PTGGQI}

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	2026-07-24T00:23:16.851076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2137a49f83367246ebd9090bc7ccc6823cf9b6a35c22e5f88bbf2e2843b6cc76

Aliases

arxiv: 2607.20462 · arxiv_version: 2607.20462v1 · doi: 10.48550/arxiv.2607.20462 · pith_short_12: EE32JH4DGZZE · pith_short_16: EE32JH4DGZZEN26Z · pith_short_8: EE32JH4D

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/EE32JH4DGZZEN26ZBEF4PTGGQI \
  | 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: 2137a49f83367246ebd9090bc7ccc6823cf9b6a35c22e5f88bbf2e2843b6cc76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5c605e9d3605ab3fd3ee0d00e43481f97ff58dff35ef3b59c4705c9386138dc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-16T08:16:08Z",
    "title_canon_sha256": "762ca303e01e62c708d1cda5134bd04b0c552048eef0648f082e62394343ae7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20462",
    "kind": "arxiv",
    "version": 1
  }
}