Pith Number

pith:HXSWZIU4

pith:2020:HXSWZIU4YUJMXZMLNRHFLAMBW2

not attested not anchored not stored refs pending

A Zero-Shot based Fingerprint Presentation Attack Detection System

Feng Liu, Guojie Liu, Haozhe Liu, Wentian Zhang

arxiv:2002.04908 v1 · 2020-02-12 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXSWZIU4YUJMXZMLNRHFLAMBW2}

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	2026-07-05T00:42:00.003880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3de56ca29cc512cbe58b6c4e558181b69cb7c3b88f5e017c838c05c564d94b15

Aliases

arxiv: 2002.04908 · arxiv_version: 2002.04908v1 · doi: 10.48550/arxiv.2002.04908 · pith_short_12: HXSWZIU4YUJM · pith_short_16: HXSWZIU4YUJMXZML · pith_short_8: HXSWZIU4

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/HXSWZIU4YUJMXZMLNRHFLAMBW2 \
  | 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: 3de56ca29cc512cbe58b6c4e558181b69cb7c3b88f5e017c838c05c564d94b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb3b62ac7cf9f5bd0b36e9e846880c45f3ae24eb514b8575af66bc1aebb1fca6",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-12T10:52:38Z",
    "title_canon_sha256": "d77ca5696bf74bcd06a6559f02637b683be4642d4d97f390595836eee5627ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04908",
    "kind": "arxiv",
    "version": 1
  }
}