Pith Number

pith:4MR4Y2DU

pith:2018:4MR4Y2DU4QJ7FG2NUJUSRRLFGA

not attested not anchored not stored refs pending

Assessment of iris recognition reliability for eyes affected by ocular pathologies

Adam Czajka, Mateusz Trokielewicz, Piotr Maciejewicz

arxiv:1809.00206 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{4MR4Y2DU4QJ7FG2NUJUSRRLFGA}

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	2026-05-18T00:05:45.003217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e323cc6874e413f29b4da26928c5653031036b0227e9397f4210adb8fce8bc4c

Aliases

arxiv: 1809.00206 · arxiv_version: 1809.00206v1 · doi: 10.48550/arxiv.1809.00206 · pith_short_12: 4MR4Y2DU4QJ7 · pith_short_16: 4MR4Y2DU4QJ7FG2N · pith_short_8: 4MR4Y2DU

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/4MR4Y2DU4QJ7FG2NUJUSRRLFGA \
  | 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: e323cc6874e413f29b4da26928c5653031036b0227e9397f4210adb8fce8bc4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583134b510d780f4ca4e8bbdb62bafe7bac72dc6badaf184699e0a1b715636a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-01T15:17:43Z",
    "title_canon_sha256": "d084785ac6bb15170d4fc472bd36bcadefcd098b8db781bd15854dd903c9cf45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00206",
    "kind": "arxiv",
    "version": 1
  }
}