Pith Number

pith:QKB7QMWX

pith:2019:QKB7QMWXBATXH5X5ST7P7LL4XV

not attested not anchored not stored refs pending

SAT-based Compressive Sensing

Milton Halem, Ramin Ayanzadeh, Tim Finin

arxiv:1903.03650 v2 · 2019-03-06 · 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{QKB7QMWXBATXH5X5ST7P7LL4XV}

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	2026-05-17T23:45:09.111087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8283f832d7082773f6fd94feffad7cbd6d3ef98cbaa33b493a082ba8f3b108c9

Aliases

arxiv: 1903.03650 · arxiv_version: 1903.03650v2 · doi: 10.48550/arxiv.1903.03650 · pith_short_12: QKB7QMWXBATX · pith_short_16: QKB7QMWXBATXH5X5 · pith_short_8: QKB7QMWX

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/QKB7QMWXBATXH5X5ST7P7LL4XV \
  | 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: 8283f832d7082773f6fd94feffad7cbd6d3ef98cbaa33b493a082ba8f3b108c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03089855c15226874f82eb16a132a9952d920ce39717211e63eb7ca9e3ea6b29",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-06T06:53:38Z",
    "title_canon_sha256": "2be32a4a5272493fc83ccf56c3d6d6fa9d65ab17b637c4f9ddbe1d044e5be63d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03650",
    "kind": "arxiv",
    "version": 2
  }
}