Pith Number

pith:SMFKDGWN

pith:2012:SMFKDGWN7BSAMLZ4OH2F7T3ZWC

not attested not anchored not stored refs pending

Nonparametric Edge Detection in Speckled Imagery

Alejandro C. Frery, Edwin Gir\'on, Francisco Cribari-Neto

arxiv:1207.1915 v1 · 2012-07-08 · stat.AP · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMFKDGWN7BSAMLZ4OH2F7T3ZWC}

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	2026-05-18T03:46:48.840912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

930aa19acdf864062f3c71f45fcf79b095020f6a477afd5a9a4aa5d2e4c5f7ba

Aliases

arxiv: 1207.1915 · arxiv_version: 1207.1915v1 · doi: 10.48550/arxiv.1207.1915 · pith_short_12: SMFKDGWN7BSA · pith_short_16: SMFKDGWN7BSAMLZ4 · pith_short_8: SMFKDGWN

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/SMFKDGWN7BSAMLZ4OH2F7T3ZWC \
  | 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: 930aa19acdf864062f3c71f45fcf79b095020f6a477afd5a9a4aa5d2e4c5f7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a23660953360cad8804f710b0f4c0c850a92d34943e49edaeb3a77e5283412a",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-07-08T21:45:43Z",
    "title_canon_sha256": "4a37fbeb2612e4bc593c8e0d112c73d171820fed14d85dfd40d389b3952cb7ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1915",
    "kind": "arxiv",
    "version": 1
  }
}