Pith Number

pith:VFF5JPPV

pith:2014:VFF5JPPVVPYZI34BEQSZUGOKL2

not attested not anchored not stored refs pending

Quasisymmetric geometry of Sierpinski carpet Julia sets

Fei Yang, Jinsong Zeng, Weiyuan Qiu

arxiv:1403.2297 v4 · 2014-03-10 · math.DS · 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{VFF5JPPVVPYZI34BEQSZUGOKL2}

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	2026-05-18T00:22:21.454874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a94bd4bdf5abf1946f8124259a19ca5ea81c40dd40aac9b921acf31efbcaa732

Aliases

arxiv: 1403.2297 · arxiv_version: 1403.2297v4 · doi: 10.48550/arxiv.1403.2297 · pith_short_12: VFF5JPPVVPYZ · pith_short_16: VFF5JPPVVPYZI34B · pith_short_8: VFF5JPPV

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/VFF5JPPVVPYZI34BEQSZUGOKL2 \
  | 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: a94bd4bdf5abf1946f8124259a19ca5ea81c40dd40aac9b921acf31efbcaa732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388c3f6c1c71cfe8466b903c148ea3fb3402ac75cadc0014552e0062a4d49a37",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-03-10T16:50:13Z",
    "title_canon_sha256": "0a876735bd9d0cfde3f90a6068377ae9bbae36241f63f16e40c2cb9c800568e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2297",
    "kind": "arxiv",
    "version": 4
  }
}