Pith Number

pith:FB46HNB2

pith:2018:FB46HNB267F7G4JO72BFV3UDT4

not attested not anchored not stored refs pending

Sparse Recovery and Dictionary Learning from Nonlinear Compressive Measurements

Francis Bach, Lucas Rencker, Mark D. Plumbley, Wenwu Wang

arxiv:1809.09639 v2 · 2018-09-25 · 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{FB46HNB267F7G4JO72BFV3UDT4}

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	2026-07-05T00:30:52.627565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2879e3b43af7cbf3712efe825aee839f3a3fbc24e786d3e36a32ea781b5ee218

Aliases

arxiv: 1809.09639 · arxiv_version: 1809.09639v2 · doi: 10.48550/arxiv.1809.09639 · pith_short_12: FB46HNB267F7 · pith_short_16: FB46HNB267F7G4JO · pith_short_8: FB46HNB2

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/FB46HNB267F7G4JO72BFV3UDT4 \
  | 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: 2879e3b43af7cbf3712efe825aee839f3a3fbc24e786d3e36a32ea781b5ee218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "371df8ffdf4969a4d7334bb645e77bef0ce9f4acf53520507047c046b65449a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-09-25T18:12:04Z",
    "title_canon_sha256": "3f30be1b384b005cbcd257d3f13cdb941220535a8840fe7b124178ad6431d2db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09639",
    "kind": "arxiv",
    "version": 2
  }
}