Pith Number

pith:WB6WTXIK

pith:2020:WB6WTXIKVEMUPYLD7BCBWP572G

not attested not anchored not stored refs pending

Adversarial collision attacks on image hashing functions

Brian Dolhansky, Cristian Canton Ferrer

arxiv:2011.09473 v1 · 2020-11-18 · 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{WB6WTXIKVEMUPYLD7BCBWP572G}

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

1 paper in Pith

Perceptual Hash Inversion Attacks on Image-Based Sexual Abuse Removal Tools

Receipt and verification

First computed	2026-07-05T01:52:44.216671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07d69dd0aa91947e163f8441b3fbfd1a7c346d04bbfb765ea08acc2d93980e3

Aliases

arxiv: 2011.09473 · arxiv_version: 2011.09473v1 · doi: 10.48550/arxiv.2011.09473 · pith_short_12: WB6WTXIKVEMU · pith_short_16: WB6WTXIKVEMUPYLD · pith_short_8: WB6WTXIK

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/WB6WTXIKVEMUPYLD7BCBWP572G \
  | 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: b07d69dd0aa91947e163f8441b3fbfd1a7c346d04bbfb765ea08acc2d93980e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4bb8fade935668f0b12f8210259028ebac4aecba2bf49fcc76d9cf1c7ba12b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-18T18:59:02Z",
    "title_canon_sha256": "07aa299fde386fd981e2fb17ff16bcd6ed9d27244ac695cce54fb9c23873fbec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.09473",
    "kind": "arxiv",
    "version": 1
  }
}