Pith Number

pith:S5ZMPJRV

pith:2009:S5ZMPJRVUM67YW3S4C3FW3CZRT

not attested not anchored not stored refs pending

Visual tool for estimating the fractal dimension of images

Al. Jipa, C. Besliu, C. C. Bordeianu, D. Felea, E. Stan, I. V. Grossu, M.V.Rusu, T. Esanu

arxiv:0901.4643 v3 · 2009-01-29 · physics.comp-ph · cs.GR · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5ZMPJRVUM67YW3S4C3FW3CZRT}

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	2026-05-18T03:40:37.163504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9772c7a635a33dfc5b72e0b65b6c598ccba0137fe23a71607f0058c8f5a8461a

Aliases

arxiv: 0901.4643 · arxiv_version: 0901.4643v3 · doi: 10.48550/arxiv.0901.4643 · pith_short_12: S5ZMPJRVUM67 · pith_short_16: S5ZMPJRVUM67YW3S · pith_short_8: S5ZMPJRV

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/S5ZMPJRVUM67YW3S4C3FW3CZRT \
  | 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: 9772c7a635a33dfc5b72e0b65b6c598ccba0137fe23a71607f0058c8f5a8461a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54580a0fc6f5e549926d06daaeed7087a90556c160e8bd3af1d41eabae8bb6b9",
    "cross_cats_sorted": [
      "cs.GR",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2009-01-29T14:41:45Z",
    "title_canon_sha256": "9ab1973479a081ab1866ba14cb4ba4b5aeaee575e0ca6e471a99acc54bc8ac7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4643",
    "kind": "arxiv",
    "version": 3
  }
}