Pith Number

pith:DW6UMUUQ

pith:2013:DW6UMUUQLT6JDK56M3LCXDPBJL

not attested not anchored not stored refs pending

Pattern-Coupled Sparse Bayesian Learning for Recovery of Block-Sparse Signals

Hongbin Li (IEEE), Jun Fang, Pu Wang, Yanning Shen

arxiv:1311.2150 v1 · 2013-11-09 · cs.IT · cs.LG · 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{DW6UMUUQLT6JDK56M3LCXDPBJL}

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	2026-05-18T03:07:33.384548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dbd4652905cfc91abbe66d62b8de14ae7fd73123d87652e1f4dc5bc392365a4

Aliases

arxiv: 1311.2150 · arxiv_version: 1311.2150v1 · doi: 10.48550/arxiv.1311.2150 · pith_short_12: DW6UMUUQLT6J · pith_short_16: DW6UMUUQLT6JDK56 · pith_short_8: DW6UMUUQ

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/DW6UMUUQLT6JDK56M3LCXDPBJL \
  | 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: 1dbd4652905cfc91abbe66d62b8de14ae7fd73123d87652e1f4dc5bc392365a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647b732b0cca9c2bed4e7672f3f3fd3e249aa0ec97f461677ec0b302e9afb848",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-09T08:28:27Z",
    "title_canon_sha256": "f146f9fcd361b059e89c5ef06af3971b5385d184be25ccc5f7d1237f18293db4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2150",
    "kind": "arxiv",
    "version": 1
  }
}