Pith Number

pith:GKTJ2DTD

pith:2026:GKTJ2DTDJYTHEEC4HRELTIJTNC

not attested not anchored not stored refs pending

ArcMark: Distortion-Free Multi-Byte LLM Watermark via Optimal Transport

Atefeh Gilani, Carol Xuan Long, Flavio P. Calmon, Lalitha Sankar, Oliver Kosut, Sajani Vithana

arxiv:2602.07235 v2 · 2026-02-06 · cs.LG · cs.AI · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKTJ2DTDJYTHEEC4HRELTIJTNC}

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

2 papers in Pith

Covert Multi-bit LLM Watermarking: An Information Theory and Coding Approach

Every Bit, Everywhere, All at Once: A Binomial Multibit LLM Watermark

Receipt and verification

First computed	2026-05-25T02:01:14.624820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32a69d0e634e2672105c3c48b9a133689778185787665fa4a98afd814dfb1b86

Aliases

arxiv: 2602.07235 · arxiv_version: 2602.07235v2 · doi: 10.48550/arxiv.2602.07235 · pith_short_12: GKTJ2DTDJYTH · pith_short_16: GKTJ2DTDJYTHEEC4 · pith_short_8: GKTJ2DTD

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/GKTJ2DTDJYTHEEC4HRELTIJTNC \
  | 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: 32a69d0e634e2672105c3c48b9a133689778185787665fa4a98afd814dfb1b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d542d24e7c0d92f12d96e2c9c8a9dbea4fe96a503f64d3a20ea6b449b3877a3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-06T22:28:03Z",
    "title_canon_sha256": "bd626c2425e7970f1c4bcdb5fb41fe023a089355e9e83a2748ac3ff3c81c46ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.07235",
    "kind": "arxiv",
    "version": 2
  }
}