Pith Number

pith:SGYOBOJT

pith:2012:SGYOBOJT6XUPY2APE333RYVQD5

not attested not anchored not stored refs pending

Closed Contour Fractal Dimension Estimation by the Fourier Transform

Jo\~ao B. Florindo, Odemir M. Bruno

arxiv:1201.3097 v1 · 2012-01-15 · physics.data-an · cs.DM · 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{SGYOBOJT6XUPY2APE333RYVQD5}

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	2026-05-18T04:04:32.240725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b0e0b933f5e8fc680f26f7b8e2b01f4cb7d8659512566c8b5cb34fd6d7efd9

Aliases

arxiv: 1201.3097 · arxiv_version: 1201.3097v1 · doi: 10.48550/arxiv.1201.3097 · pith_short_12: SGYOBOJT6XUP · pith_short_16: SGYOBOJT6XUPY2AP · pith_short_8: SGYOBOJT

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/SGYOBOJT6XUPY2APE333RYVQD5 \
  | 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: 91b0e0b933f5e8fc680f26f7b8e2b01f4cb7d8659512566c8b5cb34fd6d7efd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b1403d4319292fd278f78e549ec89f0787f564a02870250b2dcc897ab7e6103",
    "cross_cats_sorted": [
      "cs.DM",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2012-01-15T15:40:31Z",
    "title_canon_sha256": "e3b467ba91ab113428d7ab0ff0cdde926be67a86894c032412497e12a3331f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3097",
    "kind": "arxiv",
    "version": 1
  }
}