Pith Number

pith:CIY6MVOG

pith:2025:CIY6MVOG46CGCOIG2WHHCSGKRJ

not attested not anchored not stored refs pending

Iris Recognition for Infants

Adam Czajka, Mateusz Trokielewicz, Piotr Maciejewicz, Rasel Ahmed Bhuiyan, Sherri Bucher

arxiv:2501.01375 v1 · 2025-01-02 · 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{CIY6MVOG46CGCOIG2WHHCSGKRJ}

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	2026-07-05T09:56:18.997175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1231e655c6e784613906d58e7148ca8a7793ecdd230e89d7339ee5a5ae154d2c

Aliases

arxiv: 2501.01375 · arxiv_version: 2501.01375v1 · doi: 10.48550/arxiv.2501.01375 · pith_short_12: CIY6MVOG46CG · pith_short_16: CIY6MVOG46CGCOIG · pith_short_8: CIY6MVOG

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/CIY6MVOG46CGCOIG2WHHCSGKRJ \
  | 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: 1231e655c6e784613906d58e7148ca8a7793ecdd230e89d7339ee5a5ae154d2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc6fca3becd8fb7ec70ed91bba98423579a03d7ec89cd8e3b5d2d468484c6098",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-02T17:34:44Z",
    "title_canon_sha256": "33abf0a82abd86897a563f3e74894985301eb1bffa630c252e7e2d32b75dcc70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01375",
    "kind": "arxiv",
    "version": 1
  }
}