pith. sign in
Pith Number

pith:ZC3GCNN5

pith:2018:ZC3GCNN5DQRESXXT7UJ5ZNTEFX
not attested not anchored not stored refs pending

Hierarchical Clustering for Euclidean Data

Grigory Yaroslavtsev, Moses Charikar, Rad Niazadeh, Vaggos Chatziafratis

arxiv:1812.10582 v1 · 2018-12-27 · cs.DS

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZC3GCNN5DQRESXXT7UJ5ZNTEFX}

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 2026-05-17T23:57:20.589867Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c8b66135bd1c22495ef3fd13dcb6642dc2fbc5689ae203bc3a75a21f0b72ae08

Aliases

arxiv: 1812.10582 · arxiv_version: 1812.10582v1 · doi: 10.48550/arxiv.1812.10582 · pith_short_12: ZC3GCNN5DQRE · pith_short_16: ZC3GCNN5DQRESXXT · pith_short_8: ZC3GCNN5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZC3GCNN5DQRESXXT7UJ5ZNTEFX \
  | 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: c8b66135bd1c22495ef3fd13dcb6642dc2fbc5689ae203bc3a75a21f0b72ae08
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f091bde47ba6513ec93bcbc95527d3a242e23e65eb75814d13f373fc4e3e4e32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-27T00:49:30Z",
    "title_canon_sha256": "a4756f85e425c4f3a7502f6b9dc63bee9c0d13fb229a14b67814c0926d1d1d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10582",
    "kind": "arxiv",
    "version": 1
  }
}