Pith Number

pith:FFUPWEM2

pith:2018:FFUPWEM2QWNCXPE25NYBDBHGZY

not attested not anchored not stored refs pending

A Fast and Accurate System for Face Detection, Identification, and Verification

Anirudh Nanduri, Ankan Bansal, Boyu Lu, Carlos D. Castillo, Hongyu Xu, Jingxiao Zheng, Joshua Gleason, Jun-Cheng Chen, Rajeev Ranjan, Rama Chellappa

arxiv:1809.07586 v1 · 2018-09-20 · 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{FFUPWEM2QWNCXPE25NYBDBHGZY}

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	2026-05-18T00:05:15.828825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2968fb119a859a2bbc9aeb701184e6ce242547430792cd10ee98da70308310d1

Aliases

arxiv: 1809.07586 · arxiv_version: 1809.07586v1 · doi: 10.48550/arxiv.1809.07586 · pith_short_12: FFUPWEM2QWNC · pith_short_16: FFUPWEM2QWNCXPE2 · pith_short_8: FFUPWEM2

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/FFUPWEM2QWNCXPE25NYBDBHGZY \
  | 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: 2968fb119a859a2bbc9aeb701184e6ce242547430792cd10ee98da70308310d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9862d6977939c5172cf36907b76ccdfd44571e89aa9832c1649513ce22fd5f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-20T12:14:20Z",
    "title_canon_sha256": "1d1815b93e844894d1b1ee43cf20d3466ad3a1e895c89609318cda6ed9f1a6b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07586",
    "kind": "arxiv",
    "version": 1
  }
}