Pith Number

pith:KBQIHNYR

pith:2018:KBQIHNYRP4JYROBMUHF4CIJD2K

not attested not anchored not stored refs pending

Inferring Missing Categorical Information in Noisy and Sparse Web Markup

Elena Demidova, Nicolas Tempelmeier, Stefan Dietze

arxiv:1803.00446 v1 · 2018-03-01 · 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{KBQIHNYRP4JYROBMUHF4CIJD2K}

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	2026-05-18T00:22:11.733118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

506083b7117f1388b82ca1cbc12123d28ac1549d4b526e2458096909254641c6

Aliases

arxiv: 1803.00446 · arxiv_version: 1803.00446v1 · doi: 10.48550/arxiv.1803.00446 · pith_short_12: KBQIHNYRP4JY · pith_short_16: KBQIHNYRP4JYROBM · pith_short_8: KBQIHNYR

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/KBQIHNYRP4JYROBMUHF4CIJD2K \
  | 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: 506083b7117f1388b82ca1cbc12123d28ac1549d4b526e2458096909254641c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5221349eb6a8563b0754b8a4867eb2449167cc13034941a4280ed216e187df2c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-03-01T15:33:06Z",
    "title_canon_sha256": "fb2991b3e8382a703bf8348876f1073a66767c6b5e2df822c01352244ff26d27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00446",
    "kind": "arxiv",
    "version": 1
  }
}