Pith Number

pith:N5VNFUP3

pith:2019:N5VNFUP3H7FHDWT3MTGXE5WFXQ

not attested not anchored not stored refs pending

Detecting Finger-Vein Presentation Attacks Using 3D Shape & Diffuse Reflectance Decomposition

Christoph Busch, Jag Mohan Singh, Kiran B. Raja, Raghavendra Ramachandra, Sushma Venkatesh

arxiv:1912.01408 v1 · 2019-12-03 · cs.CV · 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{N5VNFUP3H7FHDWT3MTGXE5WFXQ}

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	2026-07-05T00:23:30.803213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f6ad2d1fb3fca71da7b64cd7276c5bc1c46dd3beb9d0f5cd5de2263b4c9fad4

Aliases

arxiv: 1912.01408 · arxiv_version: 1912.01408v1 · doi: 10.48550/arxiv.1912.01408 · pith_short_12: N5VNFUP3H7FH · pith_short_16: N5VNFUP3H7FHDWT3 · pith_short_8: N5VNFUP3

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/N5VNFUP3H7FHDWT3MTGXE5WFXQ \
  | 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: 6f6ad2d1fb3fca71da7b64cd7276c5bc1c46dd3beb9d0f5cd5de2263b4c9fad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7807d81e3e031d6378ad5ab7ce3193a178e0fd08282678a81972ec721dd95977",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-03T14:31:49Z",
    "title_canon_sha256": "0030cacc1446ed3cabde27a1633a89317b27da1d627be4addcec8e48ac8da2f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01408",
    "kind": "arxiv",
    "version": 1
  }
}