Pith Number

pith:OTAG2SFJ

pith:2021:OTAG2SFJNI5AHBUVOZKTFS2LMA

not attested not anchored not stored refs pending

Fingerprint Presentation Attack Detection utilizing Time-Series, Color Fingerprint Captures

Arun Ross, David Yambay, Ganghee Jang, Keivan Bahmani, Ken Brownlee, Peter Johnson, Richard Plesh, Stephanie Schuckers, Timothy Swyka

arxiv:2104.03933 v1 · 2021-04-08 · 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{OTAG2SFJNI5AHBUVOZKTFS2LMA}

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	2026-07-05T02:30:25.158634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74c06d48a96a3a038695765532cb4b6016684dc072ea88d6141a979a073f60c5

Aliases

arxiv: 2104.03933 · arxiv_version: 2104.03933v1 · doi: 10.48550/arxiv.2104.03933 · pith_short_12: OTAG2SFJNI5A · pith_short_16: OTAG2SFJNI5AHBUV · pith_short_8: OTAG2SFJ

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/OTAG2SFJNI5AHBUVOZKTFS2LMA \
  | 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: 74c06d48a96a3a038695765532cb4b6016684dc072ea88d6141a979a073f60c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0679c40b3581977309993d47afc6de509cbcfe1b7e50a3a2e8ec5a6826029480",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-04-08T17:28:08Z",
    "title_canon_sha256": "f93f61061c66e5ae4edb3490ff97df5c2460af89540ae552ad6428639c113e10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03933",
    "kind": "arxiv",
    "version": 1
  }
}