Pith Number

pith:O6SE26FB

pith:2016:O6SE26FBGAH53JW3A6E4DAO4Y7

not attested not anchored not stored refs pending

Robust Image Watermarking Using Non-Regular Wavelets

R. J. Cintra, T. V. Cooklev

arxiv:1601.07232 v1 · 2016-01-27 · cs.MM · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6SE26FBGAH53JW3A6E4DAO4Y7}

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	2026-05-18T01:21:46.441367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77a44d78a1300fdda6db0789c181dcc7c5e93721edaa2c55fb90a3a2b3dd3d21

Aliases

arxiv: 1601.07232 · arxiv_version: 1601.07232v1 · doi: 10.48550/arxiv.1601.07232 · pith_short_12: O6SE26FBGAH5 · pith_short_16: O6SE26FBGAH53JW3 · pith_short_8: O6SE26FB

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/O6SE26FBGAH53JW3A6E4DAO4Y7 \
  | 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: 77a44d78a1300fdda6db0789c181dcc7c5e93721edaa2c55fb90a3a2b3dd3d21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13bb6a00c35ae319f72a4e0304f9a72c2d01191f4410045bb228005a53f28714",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2016-01-27T00:18:26Z",
    "title_canon_sha256": "4954a505528b927a1ecd1837f2da64fabf89ac1b0194b2169c2fe88fe2be2b60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07232",
    "kind": "arxiv",
    "version": 1
  }
}