Pith Number

pith:BI37K7BN

pith:2011:BI37K7BNWSC5QYXXC24XUDGTGF

not attested not anchored not stored refs pending

A deterministic algorithm for fitting a step function to a weighted point-set

Antoine Vigneron, Herv\'e Fournier

arxiv:1109.1152 v2 · 2011-09-06 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BI37K7BNWSC5QYXXC24XUDGTGF}

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	2026-05-18T03:43:28.677576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a37f57c2db485d862f716b97a0cd3314c467b9d66870c1f570cd34c022807f5

Aliases

arxiv: 1109.1152 · arxiv_version: 1109.1152v2 · doi: 10.48550/arxiv.1109.1152 · pith_short_12: BI37K7BNWSC5 · pith_short_16: BI37K7BNWSC5QYXX · pith_short_8: BI37K7BN

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/BI37K7BNWSC5QYXXC24XUDGTGF \
  | 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: 0a37f57c2db485d862f716b97a0cd3314c467b9d66870c1f570cd34c022807f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c0748e9330d6cc4b837a91dcc1d6e8c40c04f63ecf3c719ad3884615b6ceaf2",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-09-06T11:55:08Z",
    "title_canon_sha256": "7d965c7012ef9b9ce49907bc997e956ff1f64dbde9810bce112c8bb85c948cbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1152",
    "kind": "arxiv",
    "version": 2
  }
}