Pith Number

pith:LCJUOARC

pith:2024:LCJUOARC3QPS52EDX6TS5TMZSK

not attested not anchored not stored refs pending

PostMark: A Robust Blackbox Watermark for Large Language Models

Amir Houmansadr, John Wieting, Kalpesh Krishna, Mohit Iyyer, Yapei Chang

arxiv:2406.14517 v2 · 2024-06-20 · cs.LG · cs.AI · cs.CL · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LCJUOARC3QPS52EDX6TS5TMZSK}

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

4 papers in Pith

Position: LLM Watermarking Should Align Stakeholders' Incentives for Practical Adoption

Trustworthy AI: Ensuring Reliability and Accountability from Models to Agents

SLAM: Structural Linguistic Activation Marking for Language Models

SWAN: Semantic Watermarking with Abstract Meaning Representation

Receipt and verification

First computed	2026-07-05T09:19:10.622709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5893470222dc1f2ee883bfa72ecd999285185e0f14fea932c19e2ab90202e9a2

Aliases

arxiv: 2406.14517 · arxiv_version: 2406.14517v2 · doi: 10.48550/arxiv.2406.14517 · pith_short_12: LCJUOARC3QPS · pith_short_16: LCJUOARC3QPS52ED · pith_short_8: LCJUOARC

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/LCJUOARC3QPS52EDX6TS5TMZSK \
  | 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: 5893470222dc1f2ee883bfa72ecd999285185e0f14fea932c19e2ab90202e9a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a658cfed10b2fabdd0707fa2402d381fe9b83787d5c52c16306c15eec2878adc",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-06-20T17:27:14Z",
    "title_canon_sha256": "82c0b5605653787200a188dd6824af0d21be5e3cbb10076234970b836ee2b522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.14517",
    "kind": "arxiv",
    "version": 2
  }
}