Pith Number

pith:FUVS5KA6

pith:2018:FUVS5KA6BDCLUHS2QDTKMHUOQZ

not attested not anchored not stored refs pending

Content-driven, unsupervised clustering of news articles through multiscale graph partitioning

Mauricio Barahona, M. Tarik Altuncu, Sophia N. Yaliraki

arxiv:1808.01175 v1 · 2018-08-03 · cs.CL · cs.IR · cs.LG · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUVS5KA6BDCLUHS2QDTKMHUOQZ}

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	2026-05-18T00:08:58.746452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d2b2ea81e08c4ba1e5a80e6a61e8e864abf241808ae2597bab1e67d3f85fc52

Aliases

arxiv: 1808.01175 · arxiv_version: 1808.01175v1 · doi: 10.48550/arxiv.1808.01175 · pith_short_12: FUVS5KA6BDCL · pith_short_16: FUVS5KA6BDCLUHS2 · pith_short_8: FUVS5KA6

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/FUVS5KA6BDCLUHS2QDTKMHUOQZ \
  | 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: 2d2b2ea81e08c4ba1e5a80e6a61e8e864abf241808ae2597bab1e67d3f85fc52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4de027022400df873a35d2182a42373ee36a380c2d5c99aecdd90d573aa2df7",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-03T12:57:15Z",
    "title_canon_sha256": "d2143bf71888404db1c1e6c7a283a544e08de5b4d931f4bb168493cf315cdc99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01175",
    "kind": "arxiv",
    "version": 1
  }
}