pith. sign in
Pith Number

pith:3ZEK4564

pith:2009:3ZEK4564LE66KFPLMCFPPTV3LH
not attested not anchored not stored refs pending

Modified-CS: Modifying Compressive Sensing for Problems with Partially Known Support

Namrata Vaswani, Wei Lu

arxiv:0903.5066 v5 · 2009-03-30 · cs.IT · math.IT · math.ST · stat.ME · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3ZEK4564LE66KFPLMCFPPTV3LH}

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 2026-05-18T02:24:56.172655Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

de48ae77dc593de515eb608af7cebb59cd627bdff9b3175ef1c9670dce2e031a

Aliases

arxiv: 0903.5066 · arxiv_version: 0903.5066v5 · doi: 10.48550/arxiv.0903.5066 · pith_short_12: 3ZEK4564LE66 · pith_short_16: 3ZEK4564LE66KFPL · pith_short_8: 3ZEK4564
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3ZEK4564LE66KFPLMCFPPTV3LH \
  | 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: de48ae77dc593de515eb608af7cebb59cd627bdff9b3175ef1c9670dce2e031a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dc5cc7c30c538d18991f93231dc0e159b547d153f075fc937045366d099072e3",
    "cross_cats_sorted": [
      "math.IT",
      "math.ST",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-03-30T16:45:17Z",
    "title_canon_sha256": "2d010fc648406b3fd02cbb1d0bd68257f571daf00b867edb656248309c908868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5066",
    "kind": "arxiv",
    "version": 5
  }
}