pith. sign in
Pith Number

pith:A2B7NTIL

pith:2017:A2B7NTIL2YXE2HWT6ZH5EAGHAR
not attested not anchored not stored refs pending

Fingerprint Spoof Buster

Anil K. Jain, Kai Cao, Tarang Chugh

arxiv:1712.04489 v1 · 2017-12-12 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{A2B7NTIL2YXE2HWT6ZH5EAGHAR}

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 2026-05-18T00:28:07.769701Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0683f6cd0bd62e4d1ed3f64fd200c7045312f29ab8a7cd92b46697d7e1286dcc

Aliases

arxiv: 1712.04489 · arxiv_version: 1712.04489v1 · doi: 10.48550/arxiv.1712.04489 · pith_short_12: A2B7NTIL2YXE · pith_short_16: A2B7NTIL2YXE2HWT · pith_short_8: A2B7NTIL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/A2B7NTIL2YXE2HWT6ZH5EAGHAR \
  | 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: 0683f6cd0bd62e4d1ed3f64fd200c7045312f29ab8a7cd92b46697d7e1286dcc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "998413e307544105813aebe6c942f1d70204680f101e27844372f027a361292e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-12T20:05:08Z",
    "title_canon_sha256": "c24b1f405e487b2ccf28c59d7780d34ae38326e72f95fea7cc0607f6dc9875c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04489",
    "kind": "arxiv",
    "version": 1
  }
}