Pith Number

pith:WETWZNDR

pith:2019:WETWZNDRR5YRWGOG7SCEBT5GYO

not attested not anchored not stored refs pending

Semantic Concept Spaces: Guided Topic Model Refinement using Word-Embedding Projections

Christopher Collins, Daniel Keim, Mennatallah El-Assady, Oliver Deussen, Rebecca Kehlbeck

arxiv:1908.00475 v1 · 2019-08-01 · cs.HC · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WETWZNDRR5YRWGOG7SCEBT5GYO}

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	2026-07-04T23:51:00.909062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1276cb4718f711b19c6fc8440cfa6c38cf637c4ae26a5c401a3e64763b768ad

Aliases

arxiv: 1908.00475 · arxiv_version: 1908.00475v1 · doi: 10.48550/arxiv.1908.00475 · pith_short_12: WETWZNDRR5YR · pith_short_16: WETWZNDRR5YRWGOG · pith_short_8: WETWZNDR

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/WETWZNDRR5YRWGOG7SCEBT5GYO \
  | 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: b1276cb4718f711b19c6fc8440cfa6c38cf637c4ae26a5c401a3e64763b768ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8340e97bd174a7f187e88f1860d05a25391fd4332fbcebaaa0cf73cd6370941",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2019-08-01T16:02:04Z",
    "title_canon_sha256": "1739629f622999c0b99b08e8d52462b65a8db523336c9e4ecdde7c361f2ef5a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00475",
    "kind": "arxiv",
    "version": 1
  }
}