Pith Number

pith:A5G46QRH

pith:2013:A5G46QRHPZEHNNCREGF7J62UDD

not attested not anchored not stored refs pending

Tightly Circumscribed Regular Polygons

Richard J. Mathar

arxiv:1301.6293 v1 · 2013-01-26 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5G46QRHPZEHNNCREGF7J62UDD}

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	2026-05-18T03:35:15.885393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

074dcf42277e4876b451218bf4fb5418fc89c273fa4a6cfca6fb99d02fe2c84f

Aliases

arxiv: 1301.6293 · arxiv_version: 1301.6293v1 · doi: 10.48550/arxiv.1301.6293 · pith_short_12: A5G46QRHPZEH · pith_short_16: A5G46QRHPZEHNNCR · pith_short_8: A5G46QRH

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/A5G46QRHPZEHNNCREGF7J62UDD \
  | 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: 074dcf42277e4876b451218bf4fb5418fc89c273fa4a6cfca6fb99d02fe2c84f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f525a0b852c768dc7b3ac7a13b82bf3c8ecaf226cf3147d91e971f2e3a3cd4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-01-26T22:51:53Z",
    "title_canon_sha256": "fad8b600ffcbd7bc91b0a3d35f21072ba69487aeb85b29e75020073efe0d5b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6293",
    "kind": "arxiv",
    "version": 1
  }
}