Pith Number

pith:7YZW7WAN

pith:2016:7YZW7WANLIW6EHH2YM4AOCXP5V

not attested not anchored not stored refs pending

Scaling up Dynamic Topic Models

Arnab Bhadury, Jianfei Chen, Jun Zhu, Shixia Liu

arxiv:1602.06049 v1 · 2016-02-19 · 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{7YZW7WANLIW6EHH2YM4AOCXP5V}

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	2026-05-18T01:20:21.751850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe336fd80d5a2de21cfac338070aefed58b737ca8139f40c0e50511f0888669f

Aliases

arxiv: 1602.06049 · arxiv_version: 1602.06049v1 · doi: 10.48550/arxiv.1602.06049 · pith_short_12: 7YZW7WANLIW6 · pith_short_16: 7YZW7WANLIW6EHH2 · pith_short_8: 7YZW7WAN

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/7YZW7WANLIW6EHH2YM4AOCXP5V \
  | 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: fe336fd80d5a2de21cfac338070aefed58b737ca8139f40c0e50511f0888669f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ec383f33b32140a1b0bdf3479b278f1b4041801bcb6114c173a50aae07a397d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-02-19T05:55:08Z",
    "title_canon_sha256": "9a85172c5fb3b86ce65180923d6c8c18958cf4a67336efbdf761cafbb3225083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06049",
    "kind": "arxiv",
    "version": 1
  }
}