Pith Number

pith:WTQPRHD3

pith:2012:WTQPRHD3LAD7ZLIEOEJ6CYRBSV

not attested not anchored not stored refs pending

Compressed Sensing off the Grid

Badri Narayan Bhaskar, Benjamin Recht, Gongguo Tang, Parikshit Shah

arxiv:1207.6053 v3 · 2012-07-25 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTQPRHD3LAD7ZLIEOEJ6CYRBSV}

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	2026-05-18T03:18:49.868252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e0f89c7b5807fcad047113e162219565df79cd756fbaf0262c1693b88c45d2

Aliases

arxiv: 1207.6053 · arxiv_version: 1207.6053v3 · doi: 10.48550/arxiv.1207.6053 · pith_short_12: WTQPRHD3LAD7 · pith_short_16: WTQPRHD3LAD7ZLIE · pith_short_8: WTQPRHD3

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/WTQPRHD3LAD7ZLIEOEJ6CYRBSV \
  | 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: b4e0f89c7b5807fcad047113e162219565df79cd756fbaf0262c1693b88c45d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6227c26b0a8304bbc6dea6693d921e9ad1a3e0e2606af8538124cd730e403313",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-25T16:53:18Z",
    "title_canon_sha256": "6eda0fc815a514b331d61f92b1a44e293f2dd7f1d47ff179858d8f6a426de684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6053",
    "kind": "arxiv",
    "version": 3
  }
}