Pith Number

pith:YD3HT7HZ

pith:2014:YD3HT7HZBSA7BYCTYGLGI7S5OC

not attested not anchored not stored refs pending

Deep Representations for Iris, Face, and Fingerprint Spoofing Detection

Alexandre Xavier Falcao, Allan Pinto, Anderson Rocha, David Menotti, Giovani Chiachia, Helio Pedrini, William Robson Schwartz

arxiv:1410.1980 v3 · 2014-10-08 · 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{YD3HT7HZBSA7BYCTYGLGI7S5OC}

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	2026-05-18T00:58:36.607087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f679fcf90c81f0e053c196647e5d70836399a268f319a9315d0c315f7e54d7

Aliases

arxiv: 1410.1980 · arxiv_version: 1410.1980v3 · doi: 10.48550/arxiv.1410.1980 · pith_short_12: YD3HT7HZBSA7 · pith_short_16: YD3HT7HZBSA7BYCT · pith_short_8: YD3HT7HZ

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/YD3HT7HZBSA7BYCTYGLGI7S5OC \
  | 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: c0f679fcf90c81f0e053c196647e5d70836399a268f319a9315d0c315f7e54d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b5a38019731ef234c3921b3acfa29e117b8e4b238742b23cb2f9789d6008e85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-10-08T04:42:01Z",
    "title_canon_sha256": "fdd30467e0942a8659e3e632c6bc001f815b12cb9b5a98c32cef3ffb053a4908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1980",
    "kind": "arxiv",
    "version": 3
  }
}