Pith Number

pith:MRNRAPHE

pith:2013:MRNRAPHE7PS6WEACF6IF7VY7HY

not attested not anchored not stored refs pending

An Efficient Edge Detection Technique by Two Dimensional Rectangular Cellular Automata

Deepak Ranjan Nayak, Jahangir Mohammed

arxiv:1312.6370 v1 · 2013-12-22 · 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{MRNRAPHE7PS6WEACF6IF7VY7HY}

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	2026-05-18T03:03:58.469198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

645b103ce4fbe5eb10022f905fd71f3e3ec34185609182a9c0e3649ca41ff30f

Aliases

arxiv: 1312.6370 · arxiv_version: 1312.6370v1 · doi: 10.48550/arxiv.1312.6370 · pith_short_12: MRNRAPHE7PS6 · pith_short_16: MRNRAPHE7PS6WEAC · pith_short_8: MRNRAPHE

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/MRNRAPHE7PS6WEACF6IF7VY7HY \
  | 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: 645b103ce4fbe5eb10022f905fd71f3e3ec34185609182a9c0e3649ca41ff30f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc595c1629bb0f862b9231c8c65fc4ec6a119c80b1a7a4fcf042ec75aa9d4e54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-12-22T12:08:20Z",
    "title_canon_sha256": "5718af2e8a071dd0a3942bde2915f9dbb3c84d43781107ba250a47e5b183b5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6370",
    "kind": "arxiv",
    "version": 1
  }
}