Pith Number

pith:URTXWJBV

pith:2018:URTXWJBV4UETAMD2OBPEMRSGZM

not attested not anchored not stored refs pending

Iris recognition in cases of eye pathology

Adam Czajka, Mateusz Trokielewicz, Piotr Maciejewicz

arxiv:1809.01040 v1 · 2018-09-04 · 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{URTXWJBV4UETAMD2OBPEMRSGZM}

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	2026-05-18T00:06:31.868265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4677b2435e50930307a705e464646cb02a5038d03a2d8adbf2850db5b6808d6

Aliases

arxiv: 1809.01040 · arxiv_version: 1809.01040v1 · doi: 10.48550/arxiv.1809.01040 · pith_short_12: URTXWJBV4UET · pith_short_16: URTXWJBV4UETAMD2 · pith_short_8: URTXWJBV

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/URTXWJBV4UETAMD2OBPEMRSGZM \
  | 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: a4677b2435e50930307a705e464646cb02a5038d03a2d8adbf2850db5b6808d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b116b206bdf6130bd68be9336b9444155fe1a11d8db1e8807d7d5ca9c253063",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-04T15:22:42Z",
    "title_canon_sha256": "aae9c85ac69bcb17a4f0544af5d1565bbd76fb55c618cdb86b81578ad407f950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01040",
    "kind": "arxiv",
    "version": 1
  }
}