Pith Number

pith:R5V6MFZL

pith:2015:R5V6MFZLFNUXX7Z34SGIGFGR5J

not attested not anchored not stored refs pending

Time-Space Trade-off Algorithms for Triangulating a Simple Polygon

Andr\'e van Renssen, Boris Aronov, Marcel Roeloffzen, Matias Korman, Simon Pratt

arxiv:1509.07669 v3 · 2015-09-25 · 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{R5V6MFZLFNUXX7Z34SGIGFGR5J}

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	2026-05-18T00:45:20.285668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6be6172b2b697bff3be48c8314d1ea640cb535a79247e0102bc396bd567f87

Aliases

arxiv: 1509.07669 · arxiv_version: 1509.07669v3 · doi: 10.48550/arxiv.1509.07669 · pith_short_12: R5V6MFZLFNUX · pith_short_16: R5V6MFZLFNUXX7Z3 · pith_short_8: R5V6MFZL

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/R5V6MFZLFNUXX7Z34SGIGFGR5J \
  | 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: 8f6be6172b2b697bff3be48c8314d1ea640cb535a79247e0102bc396bd567f87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63fc52c56ce28ea1f62f325459ee2d26a9732ff1a68ceaedb057ec14fa536a09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-09-25T10:45:49Z",
    "title_canon_sha256": "f82fe33a889db0c8a2c8116036996e72bb926e3e989f451cb97a667caab1c940"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07669",
    "kind": "arxiv",
    "version": 3
  }
}