Pith Number

pith:UA53BE3H

pith:2019:UA53BE3HPYMU3LERJWYEUA5O6J

not attested not anchored not stored refs pending

A new family of triangulations of $\mathbb{R}P^d$

Hailun Zheng, Lorenzo Venturello

arxiv:1910.07433 v2 · 2019-10-16 · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UA53BE3HPYMU3LERJWYEUA5O6J}

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	2026-07-05T01:15:55.827430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a03bb093677e194dac914db04a03aef250e156c3c8cff18421fcc8ce5c570605

Aliases

arxiv: 1910.07433 · arxiv_version: 1910.07433v2 · doi: 10.48550/arxiv.1910.07433 · pith_short_12: UA53BE3HPYMU · pith_short_16: UA53BE3HPYMU3LER · pith_short_8: UA53BE3H

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/UA53BE3HPYMU3LERJWYEUA5O6J \
  | 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: a03bb093677e194dac914db04a03aef250e156c3c8cff18421fcc8ce5c570605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2145ae1c46430b4b41087fefad572186be09798cd9556fff4da824755b9bd46",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-10-16T15:51:20Z",
    "title_canon_sha256": "a7b8bd0fcc0a22ee5f6c9e15e5708e3de3f57be835827aece4ab51024d85f5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07433",
    "kind": "arxiv",
    "version": 2
  }
}