Pith Number

pith:CAYJT4GA

pith:2020:CAYJT4GAXIWZSQBIXJBNOVRX2L

not attested not anchored not stored refs pending

Adaptive Multiscale Illumination-Invariant Feature Representation for Undersampled Face Recognition

Changhui Hu, Xiaobo Lu, Yang Zhang

arxiv:2004.03153 v1 · 2020-04-07 · 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{CAYJT4GAXIWZSQBIXJBNOVRX2L}

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	2026-07-05T00:53:23.609616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103099f0c0ba2d994028ba42d75637d2c14e32d7f1126cd8b05fdf5f301f3480

Aliases

arxiv: 2004.03153 · arxiv_version: 2004.03153v1 · doi: 10.48550/arxiv.2004.03153 · pith_short_12: CAYJT4GAXIWZ · pith_short_16: CAYJT4GAXIWZSQBI · pith_short_8: CAYJT4GA

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/CAYJT4GAXIWZSQBIXJBNOVRX2L \
  | 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: 103099f0c0ba2d994028ba42d75637d2c14e32d7f1126cd8b05fdf5f301f3480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aaaa363c545bc29d510388f8898abb414ac01f218401a2bca6a80527b07a765",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-07T06:48:44Z",
    "title_canon_sha256": "5d7d6ff50f23a2ae71569a9416faf986e148ed48a4c7bd374c169383ff07b923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03153",
    "kind": "arxiv",
    "version": 1
  }
}