Pith Number

pith:2R52XUVB

pith:2017:2R52XUVBGJYZODU256ST6DWNLM

not attested not anchored not stored refs pending

Image Authentication using Visual Cryptography

Manik Lal Das, Rahul Saranjame

arxiv:1711.09032 v1 · 2017-11-24 · 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{2R52XUVBGJYZODU256ST6DWNLM}

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	2026-05-18T00:29:41.424705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47babd2a13271970e9aefa53f0ecd5b06f20908f17bffca56fae3c84051c598

Aliases

arxiv: 1711.09032 · arxiv_version: 1711.09032v1 · doi: 10.48550/arxiv.1711.09032 · pith_short_12: 2R52XUVBGJYZ · pith_short_16: 2R52XUVBGJYZODU2 · pith_short_8: 2R52XUVB

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/2R52XUVBGJYZODU256ST6DWNLM \
  | 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: d47babd2a13271970e9aefa53f0ecd5b06f20908f17bffca56fae3c84051c598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5fd42858af1454b73427c6441e66e3bb4b1a052c1196d0b7a7615b3a28ac97b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-11-24T16:17:12Z",
    "title_canon_sha256": "16fbd21cfdccec466ae6c797e184b6d45c233fa0faf8841b15c8fb402d993b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09032",
    "kind": "arxiv",
    "version": 1
  }
}