Pith Number

pith:XX3NXC3X

pith:2025:XX3NXC3X3ZXMO3UXGEEFDVLPUO

not attested not anchored not stored refs pending

ProxAnn: Use-Oriented Evaluations of Topic Models and Document Clustering

Alexander Hoyle, Jordan Boyd-Graber, Lorena Calvo-Bartolom\'e, Philip Resnik

arxiv:2507.00828 v1 · 2025-07-01 · 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{XX3NXC3X3ZXMO3UXGEEFDVLPUO}

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	2026-07-05T11:30:15.259951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf6db8b77de6ec76e97310851d56fa3b94d7bb710ea033e888418ed709f68a8

Aliases

arxiv: 2507.00828 · arxiv_version: 2507.00828v1 · doi: 10.48550/arxiv.2507.00828 · pith_short_12: XX3NXC3X3ZXM · pith_short_16: XX3NXC3X3ZXMO3UX · pith_short_8: XX3NXC3X

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/XX3NXC3X3ZXMO3UXGEEFDVLPUO \
  | 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: bdf6db8b77de6ec76e97310851d56fa3b94d7bb710ea033e888418ed709f68a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7273b16da983c8eec818692b7d1562a3a27e40c301cb585d94175f421e22637f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-01T15:00:55Z",
    "title_canon_sha256": "55036543efd227d0692e708798da457101d5a8cd8a311849f4aa1eed57c90431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.00828",
    "kind": "arxiv",
    "version": 1
  }
}