Pith Number

pith:BHZB632T

pith:2019:BHZB632TAJBZ5VMUCXBPV4KXI7

not attested not anchored not stored refs pending

Face Recognition via Locality Constrained Low Rank Representation and Dictionary Learning

He-Feng Yin, Josef Kittler, Xiao-Jun Wu

arxiv:1912.03145 v1 · 2019-12-06 · 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{BHZB632TAJBZ5VMUCXBPV4KXI7}

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	2026-07-05T00:24:30.996496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09f21f6f5302439ed59415c2faf15747ce0ff3891cdae431ec540a3c28c36bce

Aliases

arxiv: 1912.03145 · arxiv_version: 1912.03145v1 · doi: 10.48550/arxiv.1912.03145 · pith_short_12: BHZB632TAJBZ · pith_short_16: BHZB632TAJBZ5VMU · pith_short_8: BHZB632T

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/BHZB632TAJBZ5VMUCXBPV4KXI7 \
  | 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: 09f21f6f5302439ed59415c2faf15747ce0ff3891cdae431ec540a3c28c36bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de04fcca49504b10e943f9c9489d335a6d9bf9de2cfb8fa32042a196ea45c605",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-06T14:24:52Z",
    "title_canon_sha256": "9e576e30f898e093fbaf115e299fff175bf83d73ec97e83f05df2aea1eb43091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03145",
    "kind": "arxiv",
    "version": 1
  }
}