Pith Number

pith:H5BBZZP4

pith:2016:H5BBZZP4UMSZYQX2J4XY6LVTSZ

not attested not anchored not stored refs pending

Multi-Fold Gabor, PCA and ICA Filter Convolution Descriptor for Face Recognition

Andrew Beng Jin Teoh, Cheng Yaw Low, Cong Jie Ng

arxiv:1604.07057 v3 · 2016-04-24 · 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{H5BBZZP4UMSZYQX2J4XY6LVTSZ}

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	2026-05-18T00:32:31.431338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f421ce5fca3259c42fa4f2f8f2eb39674902442e6ad2e6a3bfa01bb563f48f1

Aliases

arxiv: 1604.07057 · arxiv_version: 1604.07057v3 · doi: 10.48550/arxiv.1604.07057 · pith_short_12: H5BBZZP4UMSZ · pith_short_16: H5BBZZP4UMSZYQX2 · pith_short_8: H5BBZZP4

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/H5BBZZP4UMSZYQX2J4XY6LVTSZ \
  | 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: 3f421ce5fca3259c42fa4f2f8f2eb39674902442e6ad2e6a3bfa01bb563f48f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f516370eecda67b496e10c8cad45f728ae58c0fb0894e7d98342689c78864099",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-24T17:30:34Z",
    "title_canon_sha256": "ff6f879a6d3018ad6df7787d93c06b40a9beea7922723a935e1f3d6eb04b81be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07057",
    "kind": "arxiv",
    "version": 3
  }
}