Pith Number

pith:ZEZ3YOZN

pith:2019:ZEZ3YOZNFS5AU7NRUUZYCNBREE

not attested not anchored not stored refs pending

Generalizing Fingerprint Spoof Detector: Learning a One-Class Classifier

Anil K. Jain, Joshua J. Engelsma

arxiv:1901.03918 v2 · 2019-01-13 · 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{ZEZ3YOZNFS5AU7NRUUZYCNBREE}

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	2026-05-17T23:49:14.660647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c933bc3b2d2cba0a7db1a53381343121399007c59f29efb0888adcca9a818589

Aliases

arxiv: 1901.03918 · arxiv_version: 1901.03918v2 · doi: 10.48550/arxiv.1901.03918 · pith_short_12: ZEZ3YOZNFS5A · pith_short_16: ZEZ3YOZNFS5AU7NR · pith_short_8: ZEZ3YOZN

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/ZEZ3YOZNFS5AU7NRUUZYCNBREE \
  | 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: c933bc3b2d2cba0a7db1a53381343121399007c59f29efb0888adcca9a818589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d85a147d4b975f7772cb2fce3c67e69e382c982429cdea6eebaad2c168b9be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-13T00:29:06Z",
    "title_canon_sha256": "7769bb0ce17fcdb701d23274a13c701daf13b8f420e9cadd7c768339a19abb73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03918",
    "kind": "arxiv",
    "version": 2
  }
}