Pith Number

pith:FYDXB7CP

pith:2013:FYDXB7CPCMSKRWGEGYNVJEETEZ

not attested not anchored not stored refs pending

A New Algorithm of Speckle Filtering using Stochastic Distances

Alejandro C. Frery, Leonardo Torres, Tamer Cavalcante

arxiv:1308.6487 v1 · 2013-08-29 · cs.IT · cs.CV · cs.GR · math.IT · stat.AP · 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{FYDXB7CPCMSKRWGEGYNVJEETEZ}

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	2026-05-18T03:14:39.734291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e0770fc4f1324a8d8c4361b549093264dc3ccfc9a718ef4a8d421fa2b635d7e

Aliases

arxiv: 1308.6487 · arxiv_version: 1308.6487v1 · doi: 10.48550/arxiv.1308.6487 · pith_short_12: FYDXB7CPCMSK · pith_short_16: FYDXB7CPCMSKRWGE · pith_short_8: FYDXB7CP

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/FYDXB7CPCMSKRWGEGYNVJEETEZ \
  | 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: 2e0770fc4f1324a8d8c4361b549093264dc3ccfc9a718ef4a8d421fa2b635d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85e61742bba30c36ae5da6a1308f0e82f5a00ddcda1f56c846fbb82eb8a5c450",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.GR",
      "math.IT",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-29T14:56:01Z",
    "title_canon_sha256": "4f4c9ae9fd7c7bd7f950256a92ffe29b7f989c0f2ec1b65e07226b2cfc1d1eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6487",
    "kind": "arxiv",
    "version": 1
  }
}