Pith Number

pith:SJKJH4LK

pith:2019:SJKJH4LKMWXRLKYGVZFTUJ57Z2

not attested not anchored not stored refs pending

Illumination Normalization via Merging Locally Enhanced Textures for Robust Face Recognition

Chaobing Zheng, Shiqian Wu, Shoulie Xie, Wangming Xu

arxiv:1905.03904 v1 · 2019-05-10 · 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{SJKJH4LKMWXRLKYGVZFTUJ57Z2}

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	2026-05-17T23:46:35.222434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

925493f16a65af15ab06ae4b3a27bfce9d50606958d1aaa376b5fe334a7c6567

Aliases

arxiv: 1905.03904 · arxiv_version: 1905.03904v1 · doi: 10.48550/arxiv.1905.03904 · pith_short_12: SJKJH4LKMWXR · pith_short_16: SJKJH4LKMWXRLKYG · pith_short_8: SJKJH4LK

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/SJKJH4LKMWXRLKYGVZFTUJ57Z2 \
  | 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: 925493f16a65af15ab06ae4b3a27bfce9d50606958d1aaa376b5fe334a7c6567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3673137bf15b91b51d980bbf79531b578f9aca25be35f28185a7ae1cc9e842a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-10T01:07:53Z",
    "title_canon_sha256": "57569e4dcacc02a46771bcfa51cdef03fe951630eef41dbeb8ca445e3e58b14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03904",
    "kind": "arxiv",
    "version": 1
  }
}