Pith Number

pith:WSXQ5RVZ

pith:2014:WSXQ5RVZFPHJWAJKIB6OOTRYBB

not attested not anchored not stored refs pending

An Easy to Use Repository for Comparing and Improving Machine Learning Algorithm Usage

Andrew White, Christophe Giraud-Carrier, Michael R. Smith, Tony Martinez

arxiv:1405.7292 v2 · 2014-05-28 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSXQ5RVZFPHJWAJKIB6OOTRYBB}

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	2026-05-18T02:50:23.894548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4af0ec6b92bce9b012a407ce74e380870c5c8c3ead525d963b4993fca06d1ae

Aliases

arxiv: 1405.7292 · arxiv_version: 1405.7292v2 · doi: 10.48550/arxiv.1405.7292 · pith_short_12: WSXQ5RVZFPHJ · pith_short_16: WSXQ5RVZFPHJWAJK · pith_short_8: WSXQ5RVZ

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/WSXQ5RVZFPHJWAJKIB6OOTRYBB \
  | 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: b4af0ec6b92bce9b012a407ce74e380870c5c8c3ead525d963b4993fca06d1ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1cf937b615e2e09da05e9a6a53527ddd92ab27533869b3c891969f611f06a0e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-05-28T16:08:32Z",
    "title_canon_sha256": "ed1253643facda1073f5ff5ea63ea4f71438d27b3bdd4859f8c26d3773b2c14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7292",
    "kind": "arxiv",
    "version": 2
  }
}