Pith Number

pith:PUZ3FNK5

pith:2017:PUZ3FNK5SPLNT6KJVNFNMM5KTZ

not attested not anchored not stored refs pending

Fair Kernel Learning

Adri\'an P\'erez-Suay, Gonzalo Mateo-Garc\'ia, Gustau Camps-Valls, Jordi Mu\~noz-Mar\'i, Luis G\'omez-Chova, Valero Laparra

arxiv:1710.05578 v1 · 2017-10-16 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUZ3FNK5SPLNT6KJVNFNMM5KTZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:32:48.914053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d33b2b55d93d6d9f949ab4ad633aa9e79f41c31f5cd2aaaaaaa96a85ecb5222

Aliases

arxiv: 1710.05578 · arxiv_version: 1710.05578v1 · doi: 10.48550/arxiv.1710.05578 · pith_short_12: PUZ3FNK5SPLN · pith_short_16: PUZ3FNK5SPLNT6KJ · pith_short_8: PUZ3FNK5

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/PUZ3FNK5SPLNT6KJVNFNMM5KTZ \
  | 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: 7d33b2b55d93d6d9f949ab4ad633aa9e79f41c31f5cd2aaaaaaa96a85ecb5222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264ec35294c220bae081648e15610b158d30d67ff86b37075bde1294761fac76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-10-16T09:19:56Z",
    "title_canon_sha256": "35ebe0a3c17d809afb436071d2a6cb3aecc781f4664d13d3c674143d68f8da86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05578",
    "kind": "arxiv",
    "version": 1
  }
}