Pith Number

pith:PD32WJXR

pith:2017:PD32WJXRFAZUT4R6WHT3ZPDQTX

not attested not anchored not stored refs pending

Using SVD for Topic Modeling

Minzhe Wang, Zheng Tracy Ke

arxiv:1704.07016 v3 · 2017-04-24 · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PD32WJXRFAZUT4R6WHT3ZPDQTX}

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.

Cited by

1 paper in Pith

Graph Topic Modeling for Documents with Spatial or Covariate Dependencies

Receipt and verification

First computed	2026-07-05T04:52:20.998980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78f7ab26f1283349f23eb1e7bcbc709dff969da9028d321958b54f913882779e

Aliases

arxiv: 1704.07016 · arxiv_version: 1704.07016v3 · doi: 10.48550/arxiv.1704.07016 · pith_short_12: PD32WJXRFAZU · pith_short_16: PD32WJXRFAZUT4R6 · pith_short_8: PD32WJXR

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/PD32WJXRFAZUT4R6WHT3ZPDQTX \
  | 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: 78f7ab26f1283349f23eb1e7bcbc709dff969da9028d321958b54f913882779e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86017d22ad7f808f992b20361ae7f692c298489f91892e5a6055b97c5a28936",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-04-24T01:45:51Z",
    "title_canon_sha256": "fd67969cc8d0c9f154767496a70543494f6161fd772085092309175cadf81f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07016",
    "kind": "arxiv",
    "version": 3
  }
}