Pith Number

pith:EPSYCJ4W

pith:2016:EPSYCJ4WE4COUKVKQRRRFKAOMZ

not attested not anchored not stored refs pending

Source-LDA: Enhancing probabilistic topic models using prior knowledge sources

Corey Arnold, Justin Wood, Patrick Tan, Wei Wang

arxiv:1606.00577 v3 · 2016-06-02 · cs.CL · 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{EPSYCJ4WE4COUKVKQRRRFKAOMZ}

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	2026-05-18T00:44:16.108808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e58127962704ea2aaa846312a80e666cc30330b823a0521f144934122e237d

Aliases

arxiv: 1606.00577 · arxiv_version: 1606.00577v3 · doi: 10.48550/arxiv.1606.00577 · pith_short_12: EPSYCJ4WE4CO · pith_short_16: EPSYCJ4WE4COUKVK · pith_short_8: EPSYCJ4W

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/EPSYCJ4WE4COUKVKQRRRFKAOMZ \
  | 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: 23e58127962704ea2aaa846312a80e666cc30330b823a0521f144934122e237d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c26468a6a57671edb7ae4b2815b1765e2e371c5e2ea3e6151e319f7939819b",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-06-02T08:15:15Z",
    "title_canon_sha256": "18ec980bd3b2504abb91689435aac76926c31b062f0470b6bab0732c64b75dbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00577",
    "kind": "arxiv",
    "version": 3
  }
}