Pith Number

pith:WRKKRI2H

pith:2018:WRKKRI2H72EUE4ARXE5K6EMDHH

not attested not anchored not stored refs pending

Cross-spectral Iris Recognition for Mobile Applications using High-quality Color Images

Ewelina Bartuzi, Mateusz Trokielewicz

arxiv:1807.04061 v1 · 2018-07-11 · 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{WRKKRI2H72EUE4ARXE5K6EMDHH}

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	2026-05-18T00:10:58.153649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b454a8a347fe89427011b93aaf118339c8bbbeb299d4ec3287e2680eb829c06f

Aliases

arxiv: 1807.04061 · arxiv_version: 1807.04061v1 · doi: 10.48550/arxiv.1807.04061 · pith_short_12: WRKKRI2H72EU · pith_short_16: WRKKRI2H72EUE4AR · pith_short_8: WRKKRI2H

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/WRKKRI2H72EUE4ARXE5K6EMDHH \
  | 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: b454a8a347fe89427011b93aaf118339c8bbbeb299d4ec3287e2680eb829c06f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d9dbcee587d7e48f804681c959ee6579dad5724f353c9c328bf096d4fc216b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-11T10:43:06Z",
    "title_canon_sha256": "609642f6ca106eda262c18fb3e9ec35671c3f1b358009c48175499b0359cfad6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04061",
    "kind": "arxiv",
    "version": 1
  }
}