Pith Number

pith:HLI7JC7W

pith:2019:HLI7JC7W22ZM5Z7LIHMVZKBCSQ

not attested not anchored not stored refs pending

On the Effectiveness of Laser Speckle Contrast Imaging and Deep Neural Networks for Detecting Known and Unknown Fingerprint Presentation Attacks

Hengameh Mirzaalian, Mohamed Hussein, Wael Abd-Almageed

arxiv:1906.02595 v1 · 2019-06-06 · cs.LG · 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{HLI7JC7W22ZM5Z7LIHMVZKBCSQ}

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	2026-05-17T23:44:00.651017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ad1f48bf6d6b2cee7eb41d95ca822942d1c37737f1a9081e664728c71d89da0

Aliases

arxiv: 1906.02595 · arxiv_version: 1906.02595v1 · doi: 10.48550/arxiv.1906.02595 · pith_short_12: HLI7JC7W22ZM · pith_short_16: HLI7JC7W22ZM5Z7L · pith_short_8: HLI7JC7W

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/HLI7JC7W22ZM5Z7LIHMVZKBCSQ \
  | 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: 3ad1f48bf6d6b2cee7eb41d95ca822942d1c37737f1a9081e664728c71d89da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3540077ff56c8a76bf7d110a39038c20bcb568caa7a15a05ec301ad0c5217e7f",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-06T13:58:44Z",
    "title_canon_sha256": "77b034a4c9e729a664edfd3aca57b08185e6a05424f20d1de1f9ff018a2eda52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02595",
    "kind": "arxiv",
    "version": 1
  }
}