Pith Number

pith:HZ44SYQ5

pith:2019:HZ44SYQ5CD44CSMTR7MWT23BNQ

not attested not anchored not stored refs pending

Low-rank Kernel Learning for Graph-based Clustering

Liangjian Wen, Wenyu Chen, Zenglin Xu, Zhao Kang

arxiv:1903.05962 v1 · 2019-03-14 · cs.LG · cs.CV · stat.ML

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

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	2026-05-17T23:51:15.708202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e79c9621d10f9c149938fd969eb616c17cd76d1680cafbea5678880b12bcaba

Aliases

arxiv: 1903.05962 · arxiv_version: 1903.05962v1 · doi: 10.48550/arxiv.1903.05962 · pith_short_12: HZ44SYQ5CD44 · pith_short_16: HZ44SYQ5CD44CSMT · pith_short_8: HZ44SYQ5

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/HZ44SYQ5CD44CSMTR7MWT23BNQ \
  | 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: 3e79c9621d10f9c149938fd969eb616c17cd76d1680cafbea5678880b12bcaba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ff7f3b7d397519bc80613f184ec24a232fdae05b9113807a591539c2dc97092",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-14T12:59:52Z",
    "title_canon_sha256": "2e66b3dbb4aabbd5389c411d3478d0db450c18ec720181f0f01ad3f8298e40c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05962",
    "kind": "arxiv",
    "version": 1
  }
}