Pith Number

pith:JVQW4SHS

pith:2019:JVQW4SHSFUDHCFOH6ODW7MBO7I

not attested not anchored not stored refs pending

Short-and-Sparse Deconvolution -- A Geometric Approach

Han-wen Kuo, John Wright, Pengcheng Zhou, Qing Qu, Yenson Lau, Yuqian Zhang

arxiv:1908.10959 v2 · 2019-08-28 · eess.SP · cs.LG · eess.IV · math.OC · 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{JVQW4SHSFUDHCFOH6ODW7MBO7I}

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	2026-07-05T00:08:38.111788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d616e48f22d067115c7f3876fb02efa3492679f30a479b9ee14f42fa3bc934b

Aliases

arxiv: 1908.10959 · arxiv_version: 1908.10959v2 · doi: 10.48550/arxiv.1908.10959 · pith_short_12: JVQW4SHSFUDH · pith_short_16: JVQW4SHSFUDHCFOH · pith_short_8: JVQW4SHS

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/JVQW4SHSFUDHCFOH6ODW7MBO7I \
  | 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: 4d616e48f22d067115c7f3876fb02efa3492679f30a479b9ee14f42fa3bc934b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92cca198df48eeae7d130c88425e15e0a3b83cefd3f40f8b36c969c08ba8f02",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-28T21:52:28Z",
    "title_canon_sha256": "eb1431c424774c0f4785f819719537e4ea4788b7fff1a72d487d5c4e23d69e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10959",
    "kind": "arxiv",
    "version": 2
  }
}