Pith Number

pith:RAIQPM3A

pith:2018:RAIQPM3AKYTSHBKVMPTU4JTWZ4

not attested not anchored not stored refs pending

Delaunay Triangulations of Points on Circles

Hugo Parlier, Jean-Marc Schlenker, Olivier Devillers, Vincent Despr\'e

arxiv:1803.11436 v1 · 2018-03-30 · cs.CG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAIQPM3AKYTSHBKVMPTU4JTWZ4}

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	2026-05-18T00:19:16.193047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

881107b360562723855563e74e2676cf100152841914ebddcbc01e3f32117401

Aliases

arxiv: 1803.11436 · arxiv_version: 1803.11436v1 · doi: 10.48550/arxiv.1803.11436 · pith_short_12: RAIQPM3AKYTS · pith_short_16: RAIQPM3AKYTSHBKV · pith_short_8: RAIQPM3A

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/RAIQPM3AKYTSHBKVMPTU4JTWZ4 \
  | 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: 881107b360562723855563e74e2676cf100152841914ebddcbc01e3f32117401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a34d01ec2414019a00e7b1e62d1c2a0456afd8183adfa43ab76da80493fc20d",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-03-30T12:34:16Z",
    "title_canon_sha256": "bd657e5ff59cc7855babac9665b021fe082b9aee9695e0c0f16435aa7364f4b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11436",
    "kind": "arxiv",
    "version": 1
  }
}