Pith Number

pith:NPLMUXO2

pith:2015:NPLMUXO2J5PQ7T2LM7FZE4KN2B

not attested not anchored not stored refs pending

The Polylingual Labeled Topic Model

Arnim Bleier, Lisa Posch, Markus Strohmaier, Philipp Schaer

arxiv:1507.06829 v1 · 2015-07-24 · 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{NPLMUXO2J5PQ7T2LM7FZE4KN2B}

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	2026-05-18T00:45:16.491642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd6ca5dda4f5f0fcf4b67cb92714dd071f29a3a60012d47ef4488175106af5b

Aliases

arxiv: 1507.06829 · arxiv_version: 1507.06829v1 · doi: 10.48550/arxiv.1507.06829 · pith_short_12: NPLMUXO2J5PQ · pith_short_16: NPLMUXO2J5PQ7T2L · pith_short_8: NPLMUXO2

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/NPLMUXO2J5PQ7T2LM7FZE4KN2B \
  | 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: 6bd6ca5dda4f5f0fcf4b67cb92714dd071f29a3a60012d47ef4488175106af5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc5ef9df7cd4a93f5ebe85fa576b6c11a2c019cf73dbb66d246a2d91e294943",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-07-24T13:01:20Z",
    "title_canon_sha256": "5252e0eb4da89b86cb21450f483541da5915a02534451f194ed3df98f64f6d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06829",
    "kind": "arxiv",
    "version": 1
  }
}