Pith Number

pith:CYL5DUV7

pith:2012:CYL5DUV7PSN2MRKKGZNARF2S5C

not attested not anchored not stored refs pending

Shape analysis using fractal dimension: a curvature based approach

Andr\'e R. Backes, Jo\~ao B. Florindo, Odemir M. Bruno

arxiv:1201.3118 v1 · 2012-01-15 · physics.data-an · cs.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{CYL5DUV7PSN2MRKKGZNARF2S5C}

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	2026-05-18T01:58:49.082058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1617d1d2bf7c9ba6454a365a089752e8acaeecbbe0c5342ba06fcb85eb8b0c50

Aliases

arxiv: 1201.3118 · arxiv_version: 1201.3118v1 · doi: 10.48550/arxiv.1201.3118 · pith_short_12: CYL5DUV7PSN2 · pith_short_16: CYL5DUV7PSN2MRKK · pith_short_8: CYL5DUV7

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/CYL5DUV7PSN2MRKKGZNARF2S5C \
  | 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: 1617d1d2bf7c9ba6454a365a089752e8acaeecbbe0c5342ba06fcb85eb8b0c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d250188af7f63f5804124c3e273c9559076a434a80651caaf47bac3fc3bfef2",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2012-01-15T20:19:11Z",
    "title_canon_sha256": "a6d522cd6d7471851612006c8607ffe4b5d2ac3d4eea98c7a9690f8a2241103a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3118",
    "kind": "arxiv",
    "version": 1
  }
}