Pith Number

pith:KQOBMBWM

pith:2025:KQOBMBWMV67JWM64DLXZ7DZJBB

not attested not anchored not stored refs pending

A Crack in the Bark: Leveraging Public Knowledge to Remove Tree-Ring Watermarks

Junhua Lin, Marc Juarez (University of Edinburgh)

arxiv:2506.10502 v1 · 2025-06-12 · cs.CR · 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{KQOBMBWMV67JWM64DLXZ7DZJBB}

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	2026-07-05T11:20:25.025681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

541c1606ccafbe9b33dc1aef9f8f29086b295736cd958bb153aded6b25ad0d60

Aliases

arxiv: 2506.10502 · arxiv_version: 2506.10502v1 · doi: 10.48550/arxiv.2506.10502 · pith_short_12: KQOBMBWMV67J · pith_short_16: KQOBMBWMV67JWM64 · pith_short_8: KQOBMBWM

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/KQOBMBWMV67JWM64DLXZ7DZJBB \
  | 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: 541c1606ccafbe9b33dc1aef9f8f29086b295736cd958bb153aded6b25ad0d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab96ac2abaf6727d2a4fb4b3a8ca3621252459613dbfd7b79997e150757c1925",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-06-12T09:02:38Z",
    "title_canon_sha256": "4f7e8993d03049ab5c087cd24606ed675226120e77da1c11808f30d0aa03deb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.10502",
    "kind": "arxiv",
    "version": 1
  }
}