Pith Number

pith:67BU2IEK

pith:2016:67BU2IEKPZN5XGAOYJ6DKUCDC6

not attested not anchored not stored refs pending

Mapping polygons to the grid with small Hausdorff and Fr\'echet distance

Irina Kostitsyna, Kevin Verbeek, Marc van Kreveld, Quirijn W. Bouts, Willem Sonke, Wouter Meulemans

arxiv:1606.06660 v1 · 2016-06-21 · 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{67BU2IEKPZN5XGAOYJ6DKUCDC6}

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	2026-05-18T01:12:09.020600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c34d208a7e5bdb980ec27c355043178bad1c4cc29d90798e2eb1bb1a6130eb

Aliases

arxiv: 1606.06660 · arxiv_version: 1606.06660v1 · doi: 10.48550/arxiv.1606.06660 · pith_short_12: 67BU2IEKPZN5 · pith_short_16: 67BU2IEKPZN5XGAO · pith_short_8: 67BU2IEK

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/67BU2IEKPZN5XGAOYJ6DKUCDC6 \
  | 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: f7c34d208a7e5bdb980ec27c355043178bad1c4cc29d90798e2eb1bb1a6130eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b674d5d784c7b4a99f34c58e531c1c686272ab2e19bbec2c2f2c81f8f93cf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-06-21T17:03:45Z",
    "title_canon_sha256": "e3d78af69a72a18003c531e0de93c9737bdd7e3331a4af616f1a052854fcd7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06660",
    "kind": "arxiv",
    "version": 1
  }
}