Pith Number

pith:TO3WWBTC

pith:2025:TO3WWBTCOLC23FKOK6SKP5DC3C

not attested not anchored not stored refs pending

Invisible Watermarks, Visible Gains: Steering Machine Unlearning with Bi-Level Watermarking Design

Gaowen Liu, Hongtao Xie, Sijia Liu, Yihua Zhang, Yuhao Sun

arxiv:2508.10065 v1 · 2025-08-13 · cs.CR · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TO3WWBTCOLC23FKOK6SKP5DC3C}

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	2026-07-05T11:53:30.276861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb76b066272c5ad954e57a4a7f462d89296e8472718698b2d0b75e72d9df3ae

Aliases

arxiv: 2508.10065 · arxiv_version: 2508.10065v1 · doi: 10.48550/arxiv.2508.10065 · pith_short_12: TO3WWBTCOLC2 · pith_short_16: TO3WWBTCOLC23FKO · pith_short_8: TO3WWBTC

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/TO3WWBTCOLC23FKOK6SKP5DC3C \
  | 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: 9bb76b066272c5ad954e57a4a7f462d89296e8472718698b2d0b75e72d9df3ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd24dfc93aea3183fb28e784692d3ba995c74fad91d3547f620afe10045c777",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-08-13T08:05:47Z",
    "title_canon_sha256": "1ff6d127f97a049c5f7fd9b2c886ffd4a1e7d9c0cde56add2b49d5f842158bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.10065",
    "kind": "arxiv",
    "version": 1
  }
}