Pith Number

pith:OSHJUJWX

pith:2018:OSHJUJWX3I5GPORLUCYB6BCDFQ

not attested not anchored not stored refs pending

Balanced triangulations on few vertices and an implementation of cross-flips

Lorenzo Venturello

arxiv:1811.10271 v2 · 2018-11-26 · 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{OSHJUJWX3I5GPORLUCYB6BCDFQ}

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	2026-07-05T00:12:23.858843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748e9a26d7da3a67ba2ba0b01f04432c34c9e6afe05b7cd13e3ddfb8cb99eb99

Aliases

arxiv: 1811.10271 · arxiv_version: 1811.10271v2 · doi: 10.48550/arxiv.1811.10271 · pith_short_12: OSHJUJWX3I5G · pith_short_16: OSHJUJWX3I5GPORL · pith_short_8: OSHJUJWX

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/OSHJUJWX3I5GPORLUCYB6BCDFQ \
  | 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: 748e9a26d7da3a67ba2ba0b01f04432c34c9e6afe05b7cd13e3ddfb8cb99eb99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f11cc0f9887662c577d508386e47a31be4164f5b371dbb574ce43e7fa27b673",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-26T10:21:23Z",
    "title_canon_sha256": "bad06112e46c1318bf0e02a6bb167b030074a4875a8750325cff21efeae09fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10271",
    "kind": "arxiv",
    "version": 2
  }
}