Pith Number

pith:RXIXWKZ2

pith:2018:RXIXWKZ244GWSQY2M7OCRS5MUH

not attested not anchored not stored refs pending

Database of iris images acquired in the presence of ocular pathologies and assessment of iris recognition reliability for disease-affected eyes

Adam Czajka, Mateusz Trokielewicz, Piotr Maciejewicz

arxiv:1809.00212 v1 · 2018-09-01 · 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{RXIXWKZ244GWSQY2M7OCRS5MUH}

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	2026-05-18T00:06:35.776927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dd17b2b3ae70d69431a67dc28cbaca1d49014afa33b86012d9fcc4a5bb490da

Aliases

arxiv: 1809.00212 · arxiv_version: 1809.00212v1 · doi: 10.48550/arxiv.1809.00212 · pith_short_12: RXIXWKZ244GW · pith_short_16: RXIXWKZ244GWSQY2 · pith_short_8: RXIXWKZ2

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/RXIXWKZ244GWSQY2M7OCRS5MUH \
  | 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: 8dd17b2b3ae70d69431a67dc28cbaca1d49014afa33b86012d9fcc4a5bb490da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31d66b8a57728b83993189ed73e979ddd25377da60129a90933dd618a97030c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-01T15:47:23Z",
    "title_canon_sha256": "b67d775e4ba9736736d304d15fecfaaa533f87af048c5b6f0523820fccd4b190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00212",
    "kind": "arxiv",
    "version": 1
  }
}