Pith Number

pith:63U3N5VT

pith:2016:63U3N5VTODGR2SCTF2CFZ5XWP7

not attested not anchored not stored refs pending

Entities as topic labels: Improving topic interpretability and evaluability combining Entity Linking and Labeled LDA

Federico Nanni, Pablo Ruiz Fabo

arxiv:1604.07809 v1 · 2016-04-26 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63U3N5VTODGR2SCTF2CFZ5XWP7}

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	2026-05-18T01:16:11.944120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6e9b6f6b370cd1d48532e845cf6f67ffb54b783d0994800ec8567e9ddc59b42

Aliases

arxiv: 1604.07809 · arxiv_version: 1604.07809v1 · doi: 10.48550/arxiv.1604.07809 · pith_short_12: 63U3N5VTODGR · pith_short_16: 63U3N5VTODGR2SCT · pith_short_8: 63U3N5VT

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/63U3N5VTODGR2SCTF2CFZ5XWP7 \
  | 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: f6e9b6f6b370cd1d48532e845cf6f67ffb54b783d0994800ec8567e9ddc59b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ebbf5c4793dc13c93714da411135de0002813ed1738cae594372958769555a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-04-26T19:31:08Z",
    "title_canon_sha256": "d67b5db2db02e3350cae77dd78506c876eec0f4d4619de336f6bedb7569c83e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07809",
    "kind": "arxiv",
    "version": 1
  }
}