Pith Number

pith:HKDTGJEI

pith:2011:HKDTGJEITR7IBGLCBHPITDXOWZ

not attested not anchored not stored refs pending

Conformal mapping of rectangular heptagons

Andrei B. Bogatyrev

arxiv:1109.0888 v1 · 2011-09-05 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKDTGJEITR7IBGLCBHPITDXOWZ}

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	2026-05-18T02:00:39.803523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a873324889c7e80996209de898eeeb6548ad3b9627bdd9d8f9bc1dbb3468dde

Aliases

arxiv: 1109.0888 · arxiv_version: 1109.0888v1 · doi: 10.48550/arxiv.1109.0888 · pith_short_12: HKDTGJEITR7I · pith_short_16: HKDTGJEITR7IBGLC · pith_short_8: HKDTGJEI

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/HKDTGJEITR7IBGLCBHPITDXOWZ \
  | 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: 3a873324889c7e80996209de898eeeb6548ad3b9627bdd9d8f9bc1dbb3468dde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65d94e431984f41892c32a60c0cab18c19b19349d03c6ac9efb8091a03eaea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-09-05T13:18:16Z",
    "title_canon_sha256": "ff8519b65d7ddf0049a0cdab9d8e9d45a6a1a4f52a8c9c5bf284c1f6d0096a0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0888",
    "kind": "arxiv",
    "version": 1
  }
}