Pith Number

pith:4PX5KXIM

pith:2014:4PX5KXIMW3D5Y2FDCANMQFHUFB

not attested not anchored not stored refs pending

A Survey on Soft Subspace Clustering

Jun Wang, Kup-Sze Choi, Shitong Wang, Yizhang Jiang, Zhaohong Deng

arxiv:1409.5616 v2 · 2014-09-19 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PX5KXIMW3D5Y2FDCANMQFHUFB}

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	2026-05-18T01:17:30.947350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3efd55d0cb6c7dc68a3101ac814f42860f101bf76e5772849175bc0639e9812

Aliases

arxiv: 1409.5616 · arxiv_version: 1409.5616v2 · doi: 10.48550/arxiv.1409.5616 · pith_short_12: 4PX5KXIMW3D5 · pith_short_16: 4PX5KXIMW3D5Y2FD · pith_short_8: 4PX5KXIM

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/4PX5KXIMW3D5Y2FDCANMQFHUFB \
  | 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: e3efd55d0cb6c7dc68a3101ac814f42860f101bf76e5772849175bc0639e9812

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25ab23e140133e23380ecf4ac84fcf3a135759702e6c4d6374be89fa49e050cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-09-19T12:01:08Z",
    "title_canon_sha256": "740ef572317997cbf141850e17c3d2fa1a635a024bbc2e6314de93759cf6bbe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5616",
    "kind": "arxiv",
    "version": 2
  }
}