Pith Number

pith:5WY3HWOE

pith:2012:5WY3HWOECKFSJO6KSBNO7JDWVD

not attested not anchored not stored refs pending

Forest Sparsity for Multi-channel Compressive Sensing

Chen Chen, Junzhou Huang, Yeqing Li

arxiv:1211.4657 v2 · 2012-11-20 · cs.LG · cs.CV · cs.IT · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WY3HWOECKFSJO6KSBNO7JDWVD}

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	2026-05-18T02:52:49.664710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edb1b3d9c4128b24bbca905aefa476a8cc9d569471ec6d18831e3078c3b586aa

Aliases

arxiv: 1211.4657 · arxiv_version: 1211.4657v2 · doi: 10.48550/arxiv.1211.4657 · pith_short_12: 5WY3HWOECKFS · pith_short_16: 5WY3HWOECKFSJO6K · pith_short_8: 5WY3HWOE

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/5WY3HWOECKFSJO6KSBNO7JDWVD \
  | 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: edb1b3d9c4128b24bbca905aefa476a8cc9d569471ec6d18831e3078c3b586aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8077e3938438e76e3b0624e758b8dd50ede8f070ddfade590c7028fdaa5b33",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-11-20T03:22:45Z",
    "title_canon_sha256": "41e5056c9f19ed6d85e5ff07989cba1ab003ceb06d994e5348aab437c4a4f04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4657",
    "kind": "arxiv",
    "version": 2
  }
}