Pith Number

pith:AH2CDJOB

pith:2016:AH2CDJOBHHOOVV7AA55PTCD5GB

not attested not anchored not stored refs pending

Random Polygon to Ellipse: A Generalization

Keller VandeBogert

arxiv:1606.08888 v1 · 2016-06-26 · math.MG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AH2CDJOBHHOOVV7AA55PTCD5GB}

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	2026-05-18T01:11:42.139753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f421a5c139dcead7e0077af9887d3079eed0bb04b89aad438e6a60ed7ca72e

Aliases

arxiv: 1606.08888 · arxiv_version: 1606.08888v1 · doi: 10.48550/arxiv.1606.08888 · pith_short_12: AH2CDJOBHHOO · pith_short_16: AH2CDJOBHHOOVV7A · pith_short_8: AH2CDJOB

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/AH2CDJOBHHOOVV7AA55PTCD5GB \
  | 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: 01f421a5c139dcead7e0077af9887d3079eed0bb04b89aad438e6a60ed7ca72e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eae1a77b1772d0f55d693f40f469838f595dfb6773d1bf72c9593b9c743fc43e",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-06-26T18:50:33Z",
    "title_canon_sha256": "64a011d9707f11b09107bc0e725581a36e3a7bc22e483e1701df51ba5b7efaa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08888",
    "kind": "arxiv",
    "version": 1
  }
}