Pith Number

pith:6N72DQHR

pith:2012:6N72DQHRE6N6E5RKLOTPW4UYV6

not attested not anchored not stored refs pending

Multilayer image watermarking scheme for providing high security

Chennai, Communication Engineering, G. Pitchammal (Anna university, India), J. Veerappan (Department of Electronics, Sethu Institute of Technology, Tamil Nadu, Viruthunagar

arxiv:1210.5941 v1 · 2012-10-22 · cs.CR · 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{6N72DQHRE6N6E5RKLOTPW4UYV6}

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	2026-05-18T03:42:34.633183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f37fa1c0f1279be2762a5ba6fb7298af837b11ca3c906580aeed44b97b6724ca

Aliases

arxiv: 1210.5941 · arxiv_version: 1210.5941v1 · doi: 10.48550/arxiv.1210.5941 · pith_short_12: 6N72DQHRE6N6 · pith_short_16: 6N72DQHRE6N6E5RK · pith_short_8: 6N72DQHR

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/6N72DQHRE6N6E5RKLOTPW4UYV6 \
  | 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: f37fa1c0f1279be2762a5ba6fb7298af837b11ca3c906580aeed44b97b6724ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e5692987a2e6d218c02a718e04137293b019d206b949a6932aa5e46e8ad3c54",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-10-22T15:55:03Z",
    "title_canon_sha256": "1fd8dc3ff3258a9c964410b3d98bbd270cbc62222f0544cb45625a4b1508d056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5941",
    "kind": "arxiv",
    "version": 1
  }
}