Pith Number

pith:FKS4T6PU

pith:2009:FKS4T6PUA5U7UGNNCWDRH6YLID

not attested not anchored not stored refs pending

Linear-time nearest point algorithms for Coxeter lattices

I. Vaughan L. Clarkson, Robby G. McKilliam, Warren D. Smith

arxiv:0903.0673 v1 · 2009-03-04 · cs.IT · math.IT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FKS4T6PUA5U7UGNNCWDRH6YLID}

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	2026-05-18T00:58:20.334049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aa5c9f9f40769fa19ad158713fb0b40d8a75bacee9151636a6d0eb003f42e4a

Aliases

arxiv: 0903.0673 · arxiv_version: 0903.0673v1 · doi: 10.48550/arxiv.0903.0673 · pith_short_12: FKS4T6PUA5U7 · pith_short_16: FKS4T6PUA5U7UGNN · pith_short_8: FKS4T6PU

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/FKS4T6PUA5U7UGNNCWDRH6YLID \
  | 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: 2aa5c9f9f40769fa19ad158713fb0b40d8a75bacee9151636a6d0eb003f42e4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c2951568034d2e4285a0cbea27c11e7277fc0b3fd7f5246437b2d1a9f93c398",
    "cross_cats_sorted": [
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-03-04T01:38:50Z",
    "title_canon_sha256": "ba3e3d3bde010012724a8924967bed8ad1f06aec005fd5ed390d79cdb1d99b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0673",
    "kind": "arxiv",
    "version": 1
  }
}