Pith Number

pith:KHMFE2HE

pith:2012:KHMFE2HE4ZRRXBAGKF76BKNUNM

not attested not anchored not stored refs pending

Sparse Prediction with the $k$-Support Norm

Andreas Argyriou, Nathan Srebro, Rina Foygel

arxiv:1204.5043 v2 · 2012-04-23 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHMFE2HE4ZRRXBAGKF76BKNUNM}

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	2026-05-18T03:53:44.708975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51d85268e4e6631b8406517fe0a9b46b00241a735fb50e271b29826a197849b3

Aliases

arxiv: 1204.5043 · arxiv_version: 1204.5043v2 · doi: 10.48550/arxiv.1204.5043 · pith_short_12: KHMFE2HE4ZRR · pith_short_16: KHMFE2HE4ZRRXBAG · pith_short_8: KHMFE2HE

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/KHMFE2HE4ZRRXBAGKF76BKNUNM \
  | 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: 51d85268e4e6631b8406517fe0a9b46b00241a735fb50e271b29826a197849b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c372216ebf8378b977321c002c1f44c74c04afc7e1679a4f9a8c3c826e0d32db",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-04-23T12:35:56Z",
    "title_canon_sha256": "cdd5a2c20d4e9c236f1d097b8906d4dc85bb244c269fcf5ddddb2b29223897b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5043",
    "kind": "arxiv",
    "version": 2
  }
}