Pith Number

pith:PNTGVADE

pith:2011:PNTGVADEKR5XSPPRLBKFOE5XMZ

not attested not anchored not stored refs pending

A New Digital Watermarking Algorithm Using Combination of Least Significant Bit (LSB) and Inverse Bit

Abdullah Bamatraf, Mohd. Najib Mohd. Salleh, Rosziati Ibrahim

arxiv:1111.6727 v1 · 2011-11-29 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNTGVADEKR5XSPPRLBKFOE5XMZ}

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	2026-05-18T04:07:28.628028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b666a8064547b793df158545713b7666dd9de3d4d2a016e27cb6656dfd42105

Aliases

arxiv: 1111.6727 · arxiv_version: 1111.6727v1 · doi: 10.48550/arxiv.1111.6727 · pith_short_12: PNTGVADEKR5X · pith_short_16: PNTGVADEKR5XSPPR · pith_short_8: PNTGVADE

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/PNTGVADEKR5XSPPRLBKFOE5XMZ \
  | 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: 7b666a8064547b793df158545713b7666dd9de3d4d2a016e27cb6656dfd42105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8075f4aeec43620c1ef2da6c3c8d4929324c00fb02449fd48b64ebadcdd127ab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2011-11-29T08:37:08Z",
    "title_canon_sha256": "d1f28907beced32307db72d225813c44f1efec03a87c291dfb03f072b9d83b66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6727",
    "kind": "arxiv",
    "version": 1
  }
}