Pith Number

pith:ZN224OIK

pith:2021:ZN224OIKPREG4OYAXRHSGBGDNB

not attested not anchored not stored refs pending

General Total Variation Regularized Sparse Bayesian Learning for Robust Block-Sparse Signal Recovery

Aditya Sant, Bhaskar D. Rao, Markus Leinonen

arxiv:2102.06845 v2 · 2021-02-13 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZN224OIKPREG4OYAXRHSGBGDNB}

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	2026-07-05T02:15:42.928363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb75ae390a7c486e3b00bc4f2304c36840ec32d9a50af38c089cc432d31d0470

Aliases

arxiv: 2102.06845 · arxiv_version: 2102.06845v2 · doi: 10.48550/arxiv.2102.06845 · pith_short_12: ZN224OIKPREG · pith_short_16: ZN224OIKPREG4OYA · pith_short_8: ZN224OIK

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/ZN224OIKPREG4OYAXRHSGBGDNB \
  | 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: cb75ae390a7c486e3b00bc4f2304c36840ec32d9a50af38c089cc432d31d0470

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8b9b19a5a399b22949708dbc91adc1577064da36d7c0d971354590ee87a195",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-02-13T02:03:49Z",
    "title_canon_sha256": "12840b7e75783832e26357cba5aa3a5c1c8c041befbd7b4ca436b53981426270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06845",
    "kind": "arxiv",
    "version": 2
  }
}