Pith Number

pith:YWM7N4EW

pith:2017:YWM7N4EW5AHBPUAHOGS2IVAZIB

not attested not anchored not stored refs pending

RaspiReader: An Open Source Fingerprint Reader Facilitating Spoof Detection

Anil K. Jain, Joshua J. Engelsma, Kai Cao

arxiv:1708.07887 v1 · 2017-08-25 · 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{YWM7N4EW5AHBPUAHOGS2IVAZIB}

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.

Cited by

1 paper in Pith

Illumination-Aware Contactless Fingerprint Spoof Detection via Paired Flash-Non-Flash Imaging

Receipt and verification

First computed	2026-05-18T00:36:37.744121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c599f6f096e80e17d00771a5a45419404e7fc99705c6e371e220d727246e2fa5

Aliases

arxiv: 1708.07887 · arxiv_version: 1708.07887v1 · doi: 10.48550/arxiv.1708.07887 · pith_short_12: YWM7N4EW5AHB · pith_short_16: YWM7N4EW5AHBPUAH · pith_short_8: YWM7N4EW

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/YWM7N4EW5AHBPUAHOGS2IVAZIB \
  | 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: c599f6f096e80e17d00771a5a45419404e7fc99705c6e371e220d727246e2fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "081f26caffa3ed955c6733e2d2d974af8216a7d5e94e775adabf406b1be3dba1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-25T21:11:28Z",
    "title_canon_sha256": "904a98bc2cd494024577d5ba2b7b7c53077a09cca524c81ab65eadd5f2a8ffcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07887",
    "kind": "arxiv",
    "version": 1
  }
}