Pith Number

pith:SUDQ7JBJ

pith:2018:SUDQ7JBJ7MLXCJH5H346RCV46Z

not attested not anchored not stored refs pending

Contingency Training

Danilo Vasconcellos Vargas, Hirotaka Takano, Junichi Murata

arxiv:1811.08214 v1 · 2018-11-20 · cs.LG · 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{SUDQ7JBJ7MLXCJH5H346RCV46Z}

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	2026-05-18T00:00:16.546759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95070fa429fb177124fd3ef9e88abcf66133e5cc308af650140e12768e336a07

Aliases

arxiv: 1811.08214 · arxiv_version: 1811.08214v1 · doi: 10.48550/arxiv.1811.08214 · pith_short_12: SUDQ7JBJ7MLX · pith_short_16: SUDQ7JBJ7MLXCJH5 · pith_short_8: SUDQ7JBJ

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/SUDQ7JBJ7MLXCJH5H346RCV46Z \
  | 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: 95070fa429fb177124fd3ef9e88abcf66133e5cc308af650140e12768e336a07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22c92d8bf80c71b2e2ab900115262f2f05d10049fe03b6aa33dd911388ec9d84",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-20T12:40:31Z",
    "title_canon_sha256": "7128388ca42910a555f468258812ffc989502f692808ec4d70a02484d517c21d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08214",
    "kind": "arxiv",
    "version": 1
  }
}