Pith Number

pith:IS7KAZXI

pith:2016:IS7KAZXICU3SODJCRPTN6P6M5Y

not attested not anchored not stored refs pending

On ranks of regular polygons

Ant\'onio Pedro Goucha, Jo\~ao Gouveia, Pedro M. Silva

arxiv:1610.09868 v2 · 2016-10-31 · 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{IS7KAZXICU3SODJCRPTN6P6M5Y}

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	2026-05-18T00:56:30.456410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44bea066e81537270d228be6df3fccee187f70161248172770bca09bdf1d98b1

Aliases

arxiv: 1610.09868 · arxiv_version: 1610.09868v2 · doi: 10.48550/arxiv.1610.09868 · pith_short_12: IS7KAZXICU3S · pith_short_16: IS7KAZXICU3SODJC · pith_short_8: IS7KAZXI

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/IS7KAZXICU3SODJCRPTN6P6M5Y \
  | 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: 44bea066e81537270d228be6df3fccee187f70161248172770bca09bdf1d98b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98d0c999d48c049fb2644c97f314d4a85e0ae70a1d93b5206fce9c14ab8601d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-10-31T11:11:57Z",
    "title_canon_sha256": "2e8fac6f88548e1c8d836c09fdf20707de0124f00678b99fe1fd279f11bc1eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09868",
    "kind": "arxiv",
    "version": 2
  }
}