Pith Number

pith:Q6RDTAFU

pith:2023:Q6RDTAFUODLAIVITTFO3JL4KQX

not attested not anchored not stored refs pending

Uniqueness of Iris Pattern Based on AR Model

Jinyu Zuo, Joseph Skufca, Katelyn M. Hampel, Matthew C. Valenti, Natalia A. Schmid, Priyanka Das, Stephanie Schuckers

arxiv:2306.12572 v1 · 2023-06-21 · cs.CV · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6RDTAFUODLAIVITTFO3JL4KQX}

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	2026-07-05T06:23:40.033818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a23980b470d6045513995db4af8a85fdfaa608696b643d4e0ddcd252ab2437

Aliases

arxiv: 2306.12572 · arxiv_version: 2306.12572v1 · doi: 10.48550/arxiv.2306.12572 · pith_short_12: Q6RDTAFUODLA · pith_short_16: Q6RDTAFUODLAIVIT · pith_short_8: Q6RDTAFU

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/Q6RDTAFUODLAIVITTFO3JL4KQX \
  | 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: 87a23980b470d6045513995db4af8a85fdfaa608696b643d4e0ddcd252ab2437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b8b4c246300be5864bd8a3d8362d172ba5e8454d8b98ded0dd29d44919886a5",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-06-21T21:17:03Z",
    "title_canon_sha256": "c5de104e83a6e98abe1b6cd6b6abaf4e42a4e2b8370979bb386ed67690a96612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.12572",
    "kind": "arxiv",
    "version": 1
  }
}