Pith Number

pith:26T7W37T

pith:2007:26T7W37TL42ZLFLJ5FOEDZDPUZ

not attested not anchored not stored refs pending

Analysis of the convex hull of the attractor of an IFS

Jarek Duda

arxiv:0710.3863 v2 · 2007-10-20 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26T7W37TL42ZLFLJ5FOEDZDPUZ}

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	2026-07-04T15:09:37.836927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7a7fb6ff35f35959569e95c41e46fa6435ce16fe68039976fa670825115e27a

Aliases

arxiv: 0710.3863 · arxiv_version: 0710.3863v2 · doi: 10.48550/arxiv.0710.3863 · pith_short_12: 26T7W37TL42Z · pith_short_16: 26T7W37TL42ZLFLJ · pith_short_8: 26T7W37T

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/26T7W37TL42ZLFLJ5FOEDZDPUZ \
  | 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: d7a7fb6ff35f35959569e95c41e46fa6435ce16fe68039976fa670825115e27a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ffac1c3b84e7ed02881b86f0660c37e8d9b62da40a4fe85f13bce10d50b547",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CA",
    "submitted_at": "2007-10-20T18:15:47Z",
    "title_canon_sha256": "d5b97d391edb252ef6e02531ed1e99ca7c090898b66b02e1bd834c81eb91d02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.3863",
    "kind": "arxiv",
    "version": 2
  }
}