Pith Number

pith:U5CV6IJ2

pith:2014:U5CV6IJ2PAHCRQAGZMKZ3MBSYW

not attested not anchored not stored refs pending

Scalable and Robust Construction of Topical Hierarchies

Chi Wang, Jiawei Han, Xueqing Liu, Yanglei Song

arxiv:1403.3460 v1 · 2014-03-13 · cs.LG · cs.CL · cs.DB · 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{U5CV6IJ2PAHCRQAGZMKZ3MBSYW}

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	2026-05-18T02:56:20.367022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7455f213a780e28c006cb159db032c5ab5d8d41f858c049826617b2d0d16e17

Aliases

arxiv: 1403.3460 · arxiv_version: 1403.3460v1 · doi: 10.48550/arxiv.1403.3460 · pith_short_12: U5CV6IJ2PAHC · pith_short_16: U5CV6IJ2PAHCRQAG · pith_short_8: U5CV6IJ2

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/U5CV6IJ2PAHCRQAGZMKZ3MBSYW \
  | 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: a7455f213a780e28c006cb159db032c5ab5d8d41f858c049826617b2d0d16e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40295faefa24efb78d34344a1ab42b3546cfeb45e5ad69f0d4527bda1f4eae01",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DB",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-03-13T23:22:21Z",
    "title_canon_sha256": "4207e84a338eefb5894c7a6cfaf8a09aad29428b7b46c5f32cc82ee330fc08a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3460",
    "kind": "arxiv",
    "version": 1
  }
}