Pith Number

pith:ESD6XAR6

pith:2021:ESD6XAR66OYI4EPUSLA2BNMHMD

not attested not anchored not stored refs pending

Greedy and Local Search Heuristics to Build Area-Optimal Polygons

Guilherme D. da Fonseca, Lo\"ic Crombez, Yan Gerard

arxiv:2106.14728 v1 · 2021-06-28 · 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{ESD6XAR66OYI4EPUSLA2BNMHMD}

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	2026-07-05T05:23:21.291483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2487eb823ef3b08e11f492c1a0b58760fe9baeaac13cfeaec778df3ec90f9d98

Aliases

arxiv: 2106.14728 · arxiv_version: 2106.14728v1 · doi: 10.48550/arxiv.2106.14728 · pith_short_12: ESD6XAR66OYI · pith_short_16: ESD6XAR66OYI4EPU · pith_short_8: ESD6XAR6

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/ESD6XAR66OYI4EPUSLA2BNMHMD \
  | 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: 2487eb823ef3b08e11f492c1a0b58760fe9baeaac13cfeaec778df3ec90f9d98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce86ef268ea5688ca9b0b78d3fbc0dab5ac7289111980cb90050bcf724974bd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-06-28T13:58:55Z",
    "title_canon_sha256": "7a3a4eed4309c778a9365fbc9af8991dbfea940c8c29f6b6246fe9476fc2cd23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14728",
    "kind": "arxiv",
    "version": 1
  }
}