Pith Number

pith:KFUS35FQ

pith:2018:KFUS35FQDSZNWQVKXQGALXT4TG

not attested not anchored not stored refs pending

Measuring LDA Topic Stability from Clusters of Replicated Runs

Ma\"elick Claes, Mika M\"antyl\"a, Umar Farooq

arxiv:1808.08098 v1 · 2018-08-24 · 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{KFUS35FQDSZNWQVKXQGALXT4TG}

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	2026-05-18T00:06:44.427734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51692df4b01cb2db42aabc0c05de7c9980ef02bf00e2f2cda1a612c8a457ccf0

Aliases

arxiv: 1808.08098 · arxiv_version: 1808.08098v1 · doi: 10.48550/arxiv.1808.08098 · pith_short_12: KFUS35FQDSZN · pith_short_16: KFUS35FQDSZNWQVK · pith_short_8: KFUS35FQ

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/KFUS35FQDSZNWQVKXQGALXT4TG \
  | 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: 51692df4b01cb2db42aabc0c05de7c9980ef02bf00e2f2cda1a612c8a457ccf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d73df10d65e64334810cb4daae4036b8ea53dd6b99962a396e5ee2025b36c845",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-24T11:37:40Z",
    "title_canon_sha256": "e67a3e4bc6f1bd2910054a81e01ed9b09cde658672cc29939a21106769b98f7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08098",
    "kind": "arxiv",
    "version": 1
  }
}