Pith Number

pith:ZIXXHERO

pith:2019:ZIXXHEROBVECK5OVJIX3OYXUDE

not attested not anchored not stored refs pending

Fingerprint Presentation Attack Detection Based on Local Features Encoding for Unknown Attacks

Airel P\'erez-Su\'arez, Christoph Busch, L\'azaro J. Gonz\'alez-Soler, Leonardo Chang, Marta Gomez-Barrero

arxiv:1908.10163 v1 · 2019-08-27 · 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{ZIXXHEROBVECK5OVJIX3OYXUDE}

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	2026-07-04T23:59:54.468916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca2f73922e0d482575d54a2fb762f419150a52878d4ed1bc50a75ece030a0c5f

Aliases

arxiv: 1908.10163 · arxiv_version: 1908.10163v1 · doi: 10.48550/arxiv.1908.10163 · pith_short_12: ZIXXHEROBVEC · pith_short_16: ZIXXHEROBVECK5OV · pith_short_8: ZIXXHERO

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/ZIXXHEROBVECK5OVJIX3OYXUDE \
  | 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: ca2f73922e0d482575d54a2fb762f419150a52878d4ed1bc50a75ece030a0c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022e514dab42a77f2453c63725a8396a7ff96bbd10503c8b048e02df31272eec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-27T12:44:37Z",
    "title_canon_sha256": "d30879693aa1d86eab4cb9f189980f09ba12d20b8a3ddbeeb4562fae398b6195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10163",
    "kind": "arxiv",
    "version": 1
  }
}