Pith Number

pith:HONI5FGS

pith:2012:HONI5FGSDC7GPJ7OERYARGG5SR

not attested not anchored not stored refs pending

Regularized Robust Coding for Face Recognition

David Zhang, Jian Yang, Lei Zhang, Meng Yang

arxiv:1202.4207 v2 · 2012-02-20 · 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{HONI5FGSDC7GPJ7OERYARGG5SR}

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	2026-05-18T01:58:23.751260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b9a8e94d218be67a7ee24700898dd944bf00e494422127ca47a28d782dcfe72

Aliases

arxiv: 1202.4207 · arxiv_version: 1202.4207v2 · doi: 10.48550/arxiv.1202.4207 · pith_short_12: HONI5FGSDC7G · pith_short_16: HONI5FGSDC7GPJ7O · pith_short_8: HONI5FGS

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/HONI5FGSDC7GPJ7OERYARGG5SR \
  | 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: 3b9a8e94d218be67a7ee24700898dd944bf00e494422127ca47a28d782dcfe72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14db09a53efabb27f7b61cd27a179e3548ed954a3a08295771cda8c0d96e21ec",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-02-20T02:02:26Z",
    "title_canon_sha256": "fb5d01b8fd5fc52d8284d237c71637eacab33142625c68379fb305118521abf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4207",
    "kind": "arxiv",
    "version": 2
  }
}