Pith Number

pith:IIVXOYXB

pith:2018:IIVXOYXBCZKUJSB4BOFHOHLP6D

not attested not anchored not stored refs pending

IriTrack: Liveness Detection Using Irises Tracking for Preventing Face Spoofing Attacks

Jiankun Hu, Liehuang Zhu, Meng Shen, Rashid Mijumbi, Xiaojiang Du, Zelin Liao

arxiv:1810.03323 v1 · 2018-10-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIVXOYXBCZKUJSB4BOFHOHLP6D}

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	2026-05-18T00:03:51.661213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

422b7762e1165544c83c0b8a771d6ff0eea334066984fc7d947eaabbfdad1ec0

Aliases

arxiv: 1810.03323 · arxiv_version: 1810.03323v1 · doi: 10.48550/arxiv.1810.03323 · pith_short_12: IIVXOYXBCZKU · pith_short_16: IIVXOYXBCZKUJSB4 · pith_short_8: IIVXOYXB

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/IIVXOYXBCZKUJSB4BOFHOHLP6D \
  | 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: 422b7762e1165544c83c0b8a771d6ff0eea334066984fc7d947eaabbfdad1ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32a3275538b816d87b536f90fae0b960768eff7192c3feb1f8557c6fd149932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-10-08T08:45:53Z",
    "title_canon_sha256": "64d64236edfc0c48f8328e992e8c6c00744c11ee7f36e6f3854be9c963a0930c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03323",
    "kind": "arxiv",
    "version": 1
  }
}