Pith Number

pith:4PJGC4UK

pith:2014:4PJGC4UKFDKL2WXLYU5A6CF2XU

not attested not anchored not stored refs pending

Peeling potatoes near-optimally in near-linear time

Jan Kyn\v{c}l, Josef Cibulka, Maria Saumell, Pavel Valtr, Sergio Cabello

arxiv:1406.1368 v3 · 2014-06-05 · cs.CG · cs.DS · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PJGC4UKFDKL2WXLYU5A6CF2XU}

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	2026-05-18T00:32:55.818346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3d261728a28d4bd5aebc53a0f08babd1fe69e433df62d0f2f0c71b75e042cbc

Aliases

arxiv: 1406.1368 · arxiv_version: 1406.1368v3 · doi: 10.48550/arxiv.1406.1368 · pith_short_12: 4PJGC4UKFDKL · pith_short_16: 4PJGC4UKFDKL2WXL · pith_short_8: 4PJGC4UK

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/4PJGC4UKFDKL2WXLYU5A6CF2XU \
  | 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: e3d261728a28d4bd5aebc53a0f08babd1fe69e433df62d0f2f0c71b75e042cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d0a765cf6ba18e4e8bcc1efc19c80c55fc196fb07bb3d72e12650e4b10d246",
    "cross_cats_sorted": [
      "cs.DS",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-06-05T12:54:07Z",
    "title_canon_sha256": "8c05a8f27afd4e97ac750d001c54a64ed0930645dba590619b37a706393a8277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1368",
    "kind": "arxiv",
    "version": 3
  }
}