Pith Number

pith:MMGP3ZYJ

pith:2011:MMGP3ZYJWTQZGAHK6ZKCG4F7M3

not attested not anchored not stored refs pending

Sparsity and Robustness in Face Recognition

Allen Yang, Arvind Ganesh, John Wright, Yi Ma, Zihan Zhou

arxiv:1111.1014 v1 · 2011-11-03 · 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{MMGP3ZYJWTQZGAHK6ZKCG4F7M3}

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	2026-05-18T04:09:35.977280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

630cfde709b4e19300eaf6542370bf66eb7d5ca04688cad5bd622558586a392e

Aliases

arxiv: 1111.1014 · arxiv_version: 1111.1014v1 · doi: 10.48550/arxiv.1111.1014 · pith_short_12: MMGP3ZYJWTQZ · pith_short_16: MMGP3ZYJWTQZGAHK · pith_short_8: MMGP3ZYJ

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/MMGP3ZYJWTQZGAHK6ZKCG4F7M3 \
  | 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: 630cfde709b4e19300eaf6542370bf66eb7d5ca04688cad5bd622558586a392e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01ab5b8884becc43d663f6aa04cff8a058332d614339c87426cbe888f22118a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-11-03T23:50:36Z",
    "title_canon_sha256": "ca829d2da92795f90927894b04c84d6e3d2f1951a6b2200181eb7a5453e277c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1014",
    "kind": "arxiv",
    "version": 1
  }
}