Pith Number

pith:EFROBDVO

pith:2014:EFROBDVOD27VHBQF2SH4LOIV4H

not attested not anchored not stored refs pending

Centroidal power diagrams, Lloyd's algorithm and applications to optimal location problems

David Bourne, Steven Roper

arxiv:1409.2786 v1 · 2014-09-09 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFROBDVOD27VHBQF2SH4LOIV4H}

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	2026-05-18T02:43:09.792010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2162e08eae1ebf538605d48fc5b915e1dd965cfafc2c9574b7e89fee25961226

Aliases

arxiv: 1409.2786 · arxiv_version: 1409.2786v1 · doi: 10.48550/arxiv.1409.2786 · pith_short_12: EFROBDVOD27V · pith_short_16: EFROBDVOD27VHBQF · pith_short_8: EFROBDVO

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/EFROBDVOD27VHBQF2SH4LOIV4H \
  | 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: 2162e08eae1ebf538605d48fc5b915e1dd965cfafc2c9574b7e89fee25961226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dad4a1596d3aa6f6f80de40a63957a795ecb019a13eb72a1e08379de967223e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-09T15:55:24Z",
    "title_canon_sha256": "3e51e2b80ce6705d1fa048c396e66c8d411a0dfdffb7026d0420e787b35c4203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2786",
    "kind": "arxiv",
    "version": 1
  }
}