Pith Number

pith:YHXVB3Y3

pith:2007:YHXVB3Y3APOEBLYMRNQJ2WHKSS

not attested not anchored not stored refs pending

On weakly convex star-shaped polyhedra

Jean-Marc Schlenker

arxiv:0704.2901 v1 · 2007-04-22 · math.MG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHXVB3Y3APOEBLYMRNQJ2WHKSS}

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	2026-05-18T04:39:17.215826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1ef50ef1b03dc40af0c8b609d58ea94b009740c901193dd3e0ac688673efe58

Aliases

arxiv: 0704.2901 · arxiv_version: 0704.2901v1 · doi: 10.48550/arxiv.0704.2901 · pith_short_12: YHXVB3Y3APOE · pith_short_16: YHXVB3Y3APOEBLYM · pith_short_8: YHXVB3Y3

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/YHXVB3Y3APOEBLYMRNQJ2WHKSS \
  | 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: c1ef50ef1b03dc40af0c8b609d58ea94b009740c901193dd3e0ac688673efe58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fbac299129d99bdaf9051cdea9fcce3117fd889060890c22a5517fac4d9fbc3",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.MG",
    "submitted_at": "2007-04-22T18:29:14Z",
    "title_canon_sha256": "f775460b4161d6987dcc368cc6a153b8c9a3478c8b38a40fe8b5aa29a439f147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.2901",
    "kind": "arxiv",
    "version": 1
  }
}