Pith Number

pith:XUYE4BVU

pith:2016:XUYE4BVUOVO5CUQYAKE5IID7HL

not attested not anchored not stored refs pending

Hierarchical Clustering via Spreading Metrics

Aurko Roy, Sebastian Pokutta

arxiv:1610.09269 v1 · 2016-10-28 · 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{XUYE4BVUOVO5CUQYAKE5IID7HL}

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	2026-05-18T01:00:58.599527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd304e06b4755dd152180289d4207f3ad929045d4479bd183556a1af76ba53cc

Aliases

arxiv: 1610.09269 · arxiv_version: 1610.09269v1 · doi: 10.48550/arxiv.1610.09269 · pith_short_12: XUYE4BVUOVO5 · pith_short_16: XUYE4BVUOVO5CUQY · pith_short_8: XUYE4BVU

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/XUYE4BVUOVO5CUQYAKE5IID7HL \
  | 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: bd304e06b4755dd152180289d4207f3ad929045d4479bd183556a1af76ba53cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bf1e29e65e9231a2f3753db25000705cc6bcb0b93afd0973f3a4c870beacc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-10-28T15:30:21Z",
    "title_canon_sha256": "2d71b6b7eff3139a480c99069c0b52e954fbaf292055689fa3e448ddf12106b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09269",
    "kind": "arxiv",
    "version": 1
  }
}