Pith Number

pith:DEXUZTCT

pith:2018:DEXUZTCT66XNHFVSGACT24ZCVS

not attested not anchored not stored refs pending

Square Sierpi\'nski carpets and Latt\`es maps

Mario Bonk, Sergei Merenkov

arxiv:1801.09320 v2 · 2018-01-29 · math.CV · math.DS · 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{DEXUZTCT66XNHFVSGACT24ZCVS}

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	2026-05-18T00:24:41.641641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

192f4ccc53f7aed396b230053d7322ac8e97285972162a070abd04fab5c7d52e

Aliases

arxiv: 1801.09320 · arxiv_version: 1801.09320v2 · doi: 10.48550/arxiv.1801.09320 · pith_short_12: DEXUZTCT66XN · pith_short_16: DEXUZTCT66XNHFVS · pith_short_8: DEXUZTCT

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/DEXUZTCT66XNHFVSGACT24ZCVS \
  | 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: 192f4ccc53f7aed396b230053d7322ac8e97285972162a070abd04fab5c7d52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e35b48eb08136dc8a9337da2ab52246fa49df68abc647c19e5482ce54ff8b1b",
    "cross_cats_sorted": [
      "math.DS",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-01-29T00:02:42Z",
    "title_canon_sha256": "eb0ef1b89035ae5584e69e2774ec368c82039d087f30e8ad7cc0f1d0d45c0192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09320",
    "kind": "arxiv",
    "version": 2
  }
}