Pith Number

pith:VFE4RI3F

pith:2025:VFE4RI3FHVDRKDD6CVD2PDWKJR

not attested not anchored not stored refs pending

OcularAge: A Comparative Study of Iris and Periocular Images for Pediatric Age Estimation

Masudul H. Imtiaz, Naveenkumar G Venkataswamy, Poorna Ravi, Stephanie Schuckers

arxiv:2505.05374 v1 · 2025-05-08 · eess.IV · 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{VFE4RI3FHVDRKDD6CVD2PDWKJR}

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	2026-07-05T11:00:23.304542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a949c8a3653d47150c7e1547a78eca4c4f1f41dde8504bb2765b4d3f89173a97

Aliases

arxiv: 2505.05374 · arxiv_version: 2505.05374v1 · doi: 10.48550/arxiv.2505.05374 · pith_short_12: VFE4RI3FHVDR · pith_short_16: VFE4RI3FHVDRKDD6 · pith_short_8: VFE4RI3F

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/VFE4RI3FHVDRKDD6CVD2PDWKJR \
  | 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: a949c8a3653d47150c7e1547a78eca4c4f1f41dde8504bb2765b4d3f89173a97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b7d736c5b471781b1dd9a5d498a00290206cfb3fc5cf6fd7aac0a29a43c74ff",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-05-08T16:09:08Z",
    "title_canon_sha256": "b900581dd43da1d41c3e2802da8bc17208b9e6b183f1f90e6399be3c07a6c1b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05374",
    "kind": "arxiv",
    "version": 1
  }
}