Pith Number

pith:7TCRPCI5

pith:2023:7TCRPCI5Z4XTTSPHCMBOFNNNRK

not attested not anchored not stored refs pending

ClusTop: An unsupervised and integrated text clustering and topic extraction framework

Chenghu Mi, Jingfei He, Siwei Duo, Yatong Zhou, Zhongtao Chen

arxiv:2301.00818 v1 · 2023-01-03 · 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{7TCRPCI5Z4XTTSPHCMBOFNNNRK}

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	2026-07-05T05:29:55.881264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcc517891dcf2f39c9e71302e2b5ad8ab4f030b264b4fceb9e22be2943760581

Aliases

arxiv: 2301.00818 · arxiv_version: 2301.00818v1 · doi: 10.48550/arxiv.2301.00818 · pith_short_12: 7TCRPCI5Z4XT · pith_short_16: 7TCRPCI5Z4XTTSPH · pith_short_8: 7TCRPCI5

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/7TCRPCI5Z4XTTSPHCMBOFNNNRK \
  | 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: fcc517891dcf2f39c9e71302e2b5ad8ab4f030b264b4fceb9e22be2943760581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c5ea3d05d853ad32d6add366162bff2d5f19a9771cadace7492f9cd3ce31146",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-01-03T03:26:26Z",
    "title_canon_sha256": "05f586de451b12249614f41957215fe54e2710c96956361bf238d2fe0ccc62e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00818",
    "kind": "arxiv",
    "version": 1
  }
}