Pith Number

pith:RPSSJYZT

pith:2025:RPSSJYZTUJL45LBNBTSI7DP55R

not attested not anchored not stored refs pending

Optimizing Token Choice for Code Watermarking: An RL Approach

Hangfan Zhang, Huaisheng Zhu, Minhao Cheng, Siyuan Xu, Teng Xiao, Zhimeng Guo

arxiv:2508.11925 v3 · 2025-08-16 · cs.CR · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPSSJYZTUJL45LBNBTSI7DP55R}

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	2026-05-26T02:03:53.596801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2

Aliases

arxiv: 2508.11925 · arxiv_version: 2508.11925v3 · doi: 10.48550/arxiv.2508.11925 · pith_short_12: RPSSJYZTUJL4 · pith_short_16: RPSSJYZTUJL45LBN · pith_short_8: RPSSJYZT

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/RPSSJYZTUJL45LBNBTSI7DP55R \
  | 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: 8be524e333a257ceac2d0ce48f8dfdec572f59015b752332395a39c5b2a365e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c142dc591532b6a84583552542eec4ce4a1040c95059be1f635716c5a8849dae",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-08-16T06:11:29Z",
    "title_canon_sha256": "9eab072aa8df1c5bcd12467c06b5e9f4d6f11a1de5a9befe5872e35f63cca6e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.11925",
    "kind": "arxiv",
    "version": 3
  }
}