Pith Number

pith:RF5D53HE

pith:2019:RF5D53HERQMUHOEXO3C6EZ3J3R

not attested not anchored not stored refs pending

Supervised Hierarchical Clustering with Exponential Linkage

Andrew McCallum, Ari Kobren, Nicholas Monath, Nishant Yadav

arxiv:1906.07859 v1 · 2019-06-19 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RF5D53HERQMUHOEXO3C6EZ3J3R}

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	2026-05-17T23:42:57.537998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

897a3eece48c1943b89776c5e26769dc5520ff5eab460297e3a8e5b7876f4087

Aliases

arxiv: 1906.07859 · arxiv_version: 1906.07859v1 · doi: 10.48550/arxiv.1906.07859 · pith_short_12: RF5D53HERQMU · pith_short_16: RF5D53HERQMUHOEX · pith_short_8: RF5D53HE

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/RF5D53HERQMUHOEXO3C6EZ3J3R \
  | 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: 897a3eece48c1943b89776c5e26769dc5520ff5eab460297e3a8e5b7876f4087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd8493226403035220b8cfa39628cdb07c76aa03fb3b5242bcaf5082eae2c3df",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-19T00:27:50Z",
    "title_canon_sha256": "cf672eb20ec8797c5d6c0a9de9a1db053182d82be7f0c4825e2912903e0bcf51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07859",
    "kind": "arxiv",
    "version": 1
  }
}