Pith Number

pith:WCPV7DD6

pith:2025:WCPV7DD6H2KXB7L3X2W4EEO3MO

not attested not anchored not stored refs pending

Blind Visible Watermark Removal with Morphological Dilation

Preston K. Robinette, Taylor T. Johnson

arxiv:2502.02676 v1 · 2025-02-04 · cs.CV · 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{WCPV7DD6H2KXB7L3X2W4EEO3MO}

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	2026-07-05T10:09:53.334097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b09f5f8c7e3e9570fd7bbeadc211db6399177fe5416457045a985215958fe14f

Aliases

arxiv: 2502.02676 · arxiv_version: 2502.02676v1 · doi: 10.48550/arxiv.2502.02676 · pith_short_12: WCPV7DD6H2KX · pith_short_16: WCPV7DD6H2KXB7L3 · pith_short_8: WCPV7DD6

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/WCPV7DD6H2KXB7L3X2W4EEO3MO \
  | 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: b09f5f8c7e3e9570fd7bbeadc211db6399177fe5416457045a985215958fe14f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "212c4695803d11ce407f55f221e76061d03873c53f6d92dd2dab2ef7e3e2ba04",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-04T19:36:35Z",
    "title_canon_sha256": "87350a0d22c424e1cc85804c9cb039925ce9fc61338ee993bccc55cce2df36ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02676",
    "kind": "arxiv",
    "version": 1
  }
}