Pith Number

pith:JBMDYRCG

pith:2021:JBMDYRCGVOPT2LSTXH3ANVJDIZ

not attested not anchored not stored refs pending

Bootstrapping Large-Scale Fine-Grained Contextual Advertising Classifier from Wikipedia

Dittaya Wanvarie, Vishakha Kadam, Yiping Jin

arxiv:2102.06429 v2 · 2021-02-12 · cs.IR · 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{JBMDYRCGVOPT2LSTXH3ANVJDIZ}

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	2026-07-05T02:33:28.833116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48583c4446ab9f3d2e53b9f606d523465f33d4c9ffebe9eabf2a95ced71a9db6

Aliases

arxiv: 2102.06429 · arxiv_version: 2102.06429v2 · doi: 10.48550/arxiv.2102.06429 · pith_short_12: JBMDYRCGVOPT · pith_short_16: JBMDYRCGVOPT2LST · pith_short_8: JBMDYRCG

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/JBMDYRCGVOPT2LSTXH3ANVJDIZ \
  | 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: 48583c4446ab9f3d2e53b9f606d523465f33d4c9ffebe9eabf2a95ced71a9db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86eb56a26f69901132d7e7e57ad06b50b7ef257612d4764b6e3381f53b30b3e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-02-12T10:18:25Z",
    "title_canon_sha256": "8867114dc07b9c448595e6936d93e59ef8cf62a79420019b5499bb0e11ff66bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06429",
    "kind": "arxiv",
    "version": 2
  }
}