Pith Number

pith:AHAFY3NO

pith:2026:AHAFY3NOCYGC3ZYPVTPVQCYNNP

not attested not anchored not stored refs pending

Recursive Class Connectivity Classification (R3C) Applied to Binary Image Segmentation for Improved Infant Fingerprint Enhancement

Dalcimar Casanova, Erick Oliveira Rodrigues, Jefferson Tales 0liva, Joao Leonardo Harres Dall Agnol, Luiz Fernando Puttow Southier, Marcelo Filipa, Marcelo Teixeira, Rodrigo Mineto

arxiv:2605.25307 v1 · 2026-05-25 · 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{AHAFY3NOCYGC3ZYPVTPVQCYNNP}

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	2026-05-26T02:04:28.289881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c05c6dae160c2de70facdf580b0d6bc33b89ebd0301b8eaeef2651de613a2b

Aliases

arxiv: 2605.25307 · arxiv_version: 2605.25307v1 · doi: 10.48550/arxiv.2605.25307 · pith_short_12: AHAFY3NOCYGC · pith_short_16: AHAFY3NOCYGC3ZYP · pith_short_8: AHAFY3NO

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/AHAFY3NOCYGC3ZYPVTPVQCYNNP \
  | 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: 01c05c6dae160c2de70facdf580b0d6bc33b89ebd0301b8eaeef2651de613a2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c901a93bf5faf2f5bc4f028e1087901824f3fc69850bed0ea2ee6f5df4934a1d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-25T00:09:47Z",
    "title_canon_sha256": "35080e81cb1ce8ee4c9d35223c2d0ee6a38a639cb1c6f3d8dd7602d0ec101a64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25307",
    "kind": "arxiv",
    "version": 1
  }
}