Pith Number

pith:NNFWFB7G

pith:2014:NNFWFB7GBRO4ADMJDLAEZ4IYIS

not attested not anchored not stored refs pending

The cusped hyperbolic census is complete

Benjamin A. Burton

arxiv:1405.2695 v1 · 2014-05-12 · math.GT · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNFWFB7GBRO4ADMJDLAEZ4IYIS}

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	2026-05-18T02:52:04.943104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4b6287e60c5dc00d891ac04cf11844ad2d72c13eb62afbfcad15ef1ece0525

Aliases

arxiv: 1405.2695 · arxiv_version: 1405.2695v1 · doi: 10.48550/arxiv.1405.2695 · pith_short_12: NNFWFB7GBRO4 · pith_short_16: NNFWFB7GBRO4ADMJ · pith_short_8: NNFWFB7G

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/NNFWFB7GBRO4ADMJDLAEZ4IYIS \
  | 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: 6b4b6287e60c5dc00d891ac04cf11844ad2d72c13eb62afbfcad15ef1ece0525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37b054c80da524b7b8056c57c94b903c8adf2be166aa41a0e3b5868b723c4277",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-05-12T10:16:01Z",
    "title_canon_sha256": "833c11734dd393598fe25d23552fb2eb4b0e9e2f097cb2911ec53e8a2b456cc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2695",
    "kind": "arxiv",
    "version": 1
  }
}