Pith Number

pith:B3VASAFM

pith:2017:B3VASAFM6NAZTBNUNL7CSQYTKS

not attested not anchored not stored refs pending

Communication-Free Parallel Supervised Topic Models

Lee Gao, Ronghuo Zheng

arxiv:1708.03052 v1 · 2017-08-10 · cs.LG · cs.CL · 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{B3VASAFM6NAZTBNUNL7CSQYTKS}

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	2026-05-18T00:38:15.085991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eea0900acf3419985b46afe294313548a8167d99c91ba1b9573332b9988b6c5

Aliases

arxiv: 1708.03052 · arxiv_version: 1708.03052v1 · doi: 10.48550/arxiv.1708.03052 · pith_short_12: B3VASAFM6NAZ · pith_short_16: B3VASAFM6NAZTBNU · pith_short_8: B3VASAFM

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/B3VASAFM6NAZTBNUNL7CSQYTKS \
  | 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: 0eea0900acf3419985b46afe294313548a8167d99c91ba1b9573332b9988b6c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8502c051439f8b5f96506c05120cc0801bd623110fb4e148a03a17c92b6bcf34",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-08-10T02:03:52Z",
    "title_canon_sha256": "50e9b1a9a19c3c4e5a0f825202287ff93273d5ac6d3387e1e50c6967f17c6ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03052",
    "kind": "arxiv",
    "version": 1
  }
}