Pith Number

pith:JYW5DUY2

pith:2018:JYW5DUY2SJXB7QQMIRAK5ADMEM

not attested not anchored not stored refs pending

Unary and Binary Classification Approaches and their Implications for Authorship Verification

Christian Winter, Lukas Graner, Oren Halvani

arxiv:1901.00399 v1 · 2018-12-31 · cs.IR · cs.CL · 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{JYW5DUY2SJXB7QQMIRAK5ADMEM}

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	2026-05-17T23:57:03.971333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e2dd1d31a926e1fc20c4440ae806c23262cbd3cbe14d62a26f0aaca46f66c6a

Aliases

arxiv: 1901.00399 · arxiv_version: 1901.00399v1 · doi: 10.48550/arxiv.1901.00399 · pith_short_12: JYW5DUY2SJXB · pith_short_16: JYW5DUY2SJXB7QQM · pith_short_8: JYW5DUY2

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/JYW5DUY2SJXB7QQMIRAK5ADMEM \
  | 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: 4e2dd1d31a926e1fc20c4440ae806c23262cbd3cbe14d62a26f0aaca46f66c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "575e9861982d950db7939065ad5be6fdbf5281b40eedc1446ea7d451045fb3b7",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-12-31T16:04:16Z",
    "title_canon_sha256": "be6559bdd2ff6a97722fa5125b02f4ac80e1d5f52e648bd57ed5eed0c19557af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00399",
    "kind": "arxiv",
    "version": 1
  }
}