Pith Number

pith:5TBOSQFH

pith:2015:5TBOSQFHAWOZDBPSSENMFRBVJX

not attested not anchored not stored refs pending

On the Exact Convex Hull of IFS Fractals

J\'ozsef Vass

arxiv:1502.03788 v5 · 2015-02-12 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5TBOSQFHAWOZDBPSSENMFRBVJX}

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	2026-05-18T00:24:35.679217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecc2e940a7059d9185f2911ac2c4354dcffd9159405db6f231211ce6780a120a

Aliases

arxiv: 1502.03788 · arxiv_version: 1502.03788v5 · doi: 10.48550/arxiv.1502.03788 · pith_short_12: 5TBOSQFHAWOZ · pith_short_16: 5TBOSQFHAWOZDBPS · pith_short_8: 5TBOSQFH

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/5TBOSQFHAWOZDBPSSENMFRBVJX \
  | 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: ecc2e940a7059d9185f2911ac2c4354dcffd9159405db6f231211ce6780a120a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54c843b7dcb20e6b957f6de3614f50fc030171de839f08ef7bef1687b8f92f55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-02-12T19:48:42Z",
    "title_canon_sha256": "5cb90890138bf238409996b254ee3962d2f9cebfad74a0846d20f3046cdac590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03788",
    "kind": "arxiv",
    "version": 5
  }
}