Pith Number

pith:Z4QQZUAJ

pith:2014:Z4QQZUAJY7XX2QHPJHZBAXKFNF

not attested not anchored not stored refs pending

Convex Clustering: An Attractive Alternative to Hierarchical Clustering

Eric Chi, Gary K. Chen, John Ranola, Kenneth Lange

arxiv:1409.2065 v1 · 2014-09-06 · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4QQZUAJY7XX2QHPJHZBAXKFNF}

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	2026-05-18T00:14:07.121917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf210cd009c7ef7d40ef49f2105d45694da6e15149df22e6b5e92135c3e2e807

Aliases

arxiv: 1409.2065 · arxiv_version: 1409.2065v1 · doi: 10.48550/arxiv.1409.2065 · pith_short_12: Z4QQZUAJY7XX · pith_short_16: Z4QQZUAJY7XX2QHP · pith_short_8: Z4QQZUAJ

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/Z4QQZUAJY7XX2QHPJHZBAXKFNF \
  | 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: cf210cd009c7ef7d40ef49f2105d45694da6e15149df22e6b5e92135c3e2e807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a5fb3f47c4c2522b25e8dfd64033a2155e5ce721d0060ad9daf01b59f6f6b2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2014-09-06T22:48:56Z",
    "title_canon_sha256": "a37dcbb676a0c554305345a790c8726bca0d2a44a2273d4ed1bc8b0b0fd9456a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2065",
    "kind": "arxiv",
    "version": 1
  }
}