Pith Number

pith:CVCIP4AQ

pith:2025:CVCIP4AQCPXI3S7GHROOMBORXK

not attested not anchored not stored refs pending

Robust face recognition based on the wing loss and the $\ell_1$ regularization

Jianwen Xu, Yaoyao Yun

arxiv:2503.18652 v1 · 2025-03-24 · 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{CVCIP4AQCPXI3S7GHROOMBORXK}

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	2026-07-05T10:38:14.648206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

154487f01013ee8dcbe63c5ce605d1bab22032d8dcb000ebd4288aa4026fd0e6

Aliases

arxiv: 2503.18652 · arxiv_version: 2503.18652v1 · doi: 10.48550/arxiv.2503.18652 · pith_short_12: CVCIP4AQCPXI · pith_short_16: CVCIP4AQCPXI3S7G · pith_short_8: CVCIP4AQ

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/CVCIP4AQCPXI3S7GHROOMBORXK \
  | 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: 154487f01013ee8dcbe63c5ce605d1bab22032d8dcb000ebd4288aa4026fd0e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ec17892805c16ef74e41abb2246bb846605937b4f88b870c58701df1e81633b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-24T13:17:41Z",
    "title_canon_sha256": "20039d762faebc8bc7ed83560685e18fb57a60c1b8d77d56f184d9c9361bd617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.18652",
    "kind": "arxiv",
    "version": 1
  }
}