Pith Number

pith:ZEMQ4UUP

pith:2011:ZEMQ4UUP77G3WA2OM74KJ6MRKZ

not attested not anchored not stored refs pending

On the Local Correctness of L^1 Minimization for Dictionary Learning

Huan Wang, John Wright, Quan Geng

arxiv:1101.5672 v1 · 2011-01-29 · cs.IT · cs.LG · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEMQ4UUP77G3WA2OM74KJ6MRKZ}

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	2026-05-18T02:22:42.121057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9190e528fffcdbb034e67f8a4f99156752f11d687e09c1499da613ba74a1a73

Aliases

arxiv: 1101.5672 · arxiv_version: 1101.5672v1 · doi: 10.48550/arxiv.1101.5672 · pith_short_12: ZEMQ4UUP77G3 · pith_short_16: ZEMQ4UUP77G3WA2O · pith_short_8: ZEMQ4UUP

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/ZEMQ4UUP77G3WA2OM74KJ6MRKZ \
  | 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: c9190e528fffcdbb034e67f8a4f99156752f11d687e09c1499da613ba74a1a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a580c21a1652554ccd07a28282b65aa8c9ab0920be92934c6c61f8f4d12ebe4",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-01-29T06:06:56Z",
    "title_canon_sha256": "285ae8097e6207e9470f5fcc20df3f7a981bde678d4c5bc0b4c613b614363431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5672",
    "kind": "arxiv",
    "version": 1
  }
}