Pith Number

pith:2PF4IWHF

pith:2026:2PF4IWHFB4Y44WXV4EJVQQVT6R

not attested not anchored not stored refs pending

Signpost Watermarking: Joint Optimization for Visual Watermark Coexistence

John Collomosse, Shruti Agarwal, Vishal Asnani

arxiv:2608.10091 v1 · 2026-08-10 · 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{2PF4IWHFB4Y44WXV4EJVQQVT6R}

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	2026-08-12T00:22:47.521430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3cbc458e50f31ce5af5e1135842b3f45759408e748fb01db429b106fd28ec05

Aliases

arxiv: 2608.10091 · arxiv_version: 2608.10091v1 · doi: 10.48550/arxiv.2608.10091 · pith_short_12: 2PF4IWHFB4Y4 · pith_short_16: 2PF4IWHFB4Y44WXV · pith_short_8: 2PF4IWHF

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/2PF4IWHFB4Y44WXV4EJVQQVT6R \
  | 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: d3cbc458e50f31ce5af5e1135842b3f45759408e748fb01db429b106fd28ec05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c40f72b95827f1289ea910209a740ecb5347ab7872c5a729c0bc5b7afd127b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-10T18:03:02Z",
    "title_canon_sha256": "46e61fc5c33e189d36dbcb5dbc98e9d6ac8f8531abe29bfbaf9ff7fc7409f726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10091",
    "kind": "arxiv",
    "version": 1
  }
}