Pith Number

pith:KWZEJHTO

pith:2022:KWZEJHTOJI4KF5RCYZ5TIYQEGG

not attested not anchored not stored refs pending

A Uniform Representation Learning Method for OCT-based Fingerprint Presentation Attack Detection and Reconstruction

Feng Liu, Haozhe Liu, Raghavendra Ramachandra, Wentian Zhang

arxiv:2209.12208 v1 · 2022-09-25 · 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{KWZEJHTOJI4KF5RCYZ5TIYQEGG}

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	2026-07-05T05:00:49.837998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b2449e6e4a38a2f622c67b34620431bb653701d928fcb4a4f6dc6a1d1c66d3

Aliases

arxiv: 2209.12208 · arxiv_version: 2209.12208v1 · doi: 10.48550/arxiv.2209.12208 · pith_short_12: KWZEJHTOJI4K · pith_short_16: KWZEJHTOJI4KF5RC · pith_short_8: KWZEJHTO

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/KWZEJHTOJI4KF5RCYZ5TIYQEGG \
  | 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: 55b2449e6e4a38a2f622c67b34620431bb653701d928fcb4a4f6dc6a1d1c66d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e33b74c95647dc52e7fe9820d0ff6419358602d64f6551358d74320aab00da8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-09-25T12:31:40Z",
    "title_canon_sha256": "81740be79f2ad9aed1dd008e3ccef2e1dd10bd14d7174f79e58864dda8c13342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.12208",
    "kind": "arxiv",
    "version": 1
  }
}