Pith Number

pith:LDA4RIFX

pith:2017:LDA4RIFX3HERV6VX7TNFG22KWQ

not attested not anchored not stored refs pending

Existence of regular unimodular triangulations of dilated empty simplices

Akihiro Higashitani, Koutarou Yoshida, Takayuki Hibi

arxiv:1701.02471 v3 · 2017-01-10 · math.CO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDA4RIFX3HERV6VX7TNFG22KWQ}

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	2026-05-18T00:29:39.371602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c1c8a0b7d9c91afab7fcda536b4ab42c805779b4de33bf951bfdd3ee4d9b02

Aliases

arxiv: 1701.02471 · arxiv_version: 1701.02471v3 · doi: 10.48550/arxiv.1701.02471 · pith_short_12: LDA4RIFX3HER · pith_short_16: LDA4RIFX3HERV6VX · pith_short_8: LDA4RIFX

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/LDA4RIFX3HERV6VX7TNFG22KWQ \
  | 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: 58c1c8a0b7d9c91afab7fcda536b4ab42c805779b4de33bf951bfdd3ee4d9b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2340c17c1a047b0af39a67cc8d4cb1c125e24aa12a37d75f0c76684caff764a1",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-10T08:33:17Z",
    "title_canon_sha256": "cf75013af160886a130e0ce43c3b54c603793fb1ff319e8530f9e1f1e4dcc4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02471",
    "kind": "arxiv",
    "version": 3
  }
}