Pith Number

pith:CA7DDD32

pith:2013:CA7DDD32KI5P3HC6HOFBFC6PUQ

not attested not anchored not stored refs pending

Discriminative Relational Topic Models

Bo Zhang, Fei Xia, Jun Zhu, Ning Chen

arxiv:1310.2409 v1 · 2013-10-09 · cs.LG · cs.IR · 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{CA7DDD32KI5P3HC6HOFBFC6PUQ}

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	2026-05-18T03:10:56.870725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103e318f7a523afd9c5e3b8a128bcfa42e977c655c275d8e7ee195d6e7cc3993

Aliases

arxiv: 1310.2409 · arxiv_version: 1310.2409v1 · doi: 10.48550/arxiv.1310.2409 · pith_short_12: CA7DDD32KI5P · pith_short_16: CA7DDD32KI5P3HC6 · pith_short_8: CA7DDD32

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/CA7DDD32KI5P3HC6HOFBFC6PUQ \
  | 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: 103e318f7a523afd9c5e3b8a128bcfa42e977c655c275d8e7ee195d6e7cc3993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "103ffcda3ef103baab3cbb6be6898a3d4eb79eb7f7f5bdc68a23320d895e9e60",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-10-09T09:32:56Z",
    "title_canon_sha256": "8666e6b7548b384d4f0635e3ca22376b24f39b7bc26dab0511058e0205150d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2409",
    "kind": "arxiv",
    "version": 1
  }
}