Pith Number

pith:TPAJ4JMP

pith:2014:TPAJ4JMPD5UNN33IUQMDBZ3AIA

not attested not anchored not stored refs pending

Two New Approaches to Compressed Sensing Exhibiting Both Robust Sparse Recovery and the Grouping Effect

Mathukumalli Vidyasagar, Mehmet Eren Ahsen, Niharika Challapalli

arxiv:1410.8229 v4 · 2014-10-30 · 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{TPAJ4JMPD5UNN33IUQMDBZ3AIA}

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	2026-05-18T00:42:08.013252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc09e258f1f68d6ef68a41830e760402b19fc97e4f74c8d16093feab54b6264

Aliases

arxiv: 1410.8229 · arxiv_version: 1410.8229v4 · doi: 10.48550/arxiv.1410.8229 · pith_short_12: TPAJ4JMPD5UN · pith_short_16: TPAJ4JMPD5UNN33I · pith_short_8: TPAJ4JMP

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/TPAJ4JMPD5UNN33IUQMDBZ3AIA \
  | 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: 9bc09e258f1f68d6ef68a41830e760402b19fc97e4f74c8d16093feab54b6264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebf318a63b2b62600f33f66755169a3fc802175a65f779d6925cf35a95bf1d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-10-30T01:47:09Z",
    "title_canon_sha256": "a68d52563ff0317001f545c57826e948ce602329e5de8c28ea53a21e04cc87ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8229",
    "kind": "arxiv",
    "version": 4
  }
}