Pith Number

pith:5RG537AN

pith:2018:5RG537ANIWC5KUWR2JKXUTHYH5

not attested not anchored not stored refs pending

Region-Based Classification of PolSAR Data Using Radial Basis Kernel Functions With Stochastic Distances

A. C. Frery, L. V. Dutra, R. G. Negri, T. S. G. Mendes, W. B. Silva

arxiv:1805.07438 v1 · 2018-05-07 · stat.ML · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RG537ANIWC5KUWR2JKXUTHYH5}

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	2026-05-18T00:15:33.587073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec4dddfc0d4585d552d1d2557a4cf83f4473a8c44bef6b0cf851af014164e519

Aliases

arxiv: 1805.07438 · arxiv_version: 1805.07438v1 · doi: 10.48550/arxiv.1805.07438 · pith_short_12: 5RG537ANIWC5 · pith_short_16: 5RG537ANIWC5KUWR · pith_short_8: 5RG537AN

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/5RG537ANIWC5KUWR2JKXUTHYH5 \
  | 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: ec4dddfc0d4585d552d1d2557a4cf83f4473a8c44bef6b0cf851af014164e519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b96cb1ef75acc0a16e8d8c780884e38c0ac7b77fe2ee054c5835d60bf254986",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-05-07T19:23:07Z",
    "title_canon_sha256": "3ea0b08bcbcb897009acb8a7ed1fbf83e9b917430def22fc085e8ec7a8c5b59f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07438",
    "kind": "arxiv",
    "version": 1
  }
}