Pith Number

pith:4U74GSLQ

pith:2011:4U74GSLQPTWQDPT45WPX5KGWKR

not attested not anchored not stored refs pending

A nonlinear PDE-based method for sparse deconvolution

Bin Dong, Stanley Osher, Yu Mao

arxiv:1104.0240 v1 · 2011-04-01 · math.OC · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U74GSLQPTWQDPT45WPX5KGWKR}

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	2026-05-18T04:25:12.097771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53fc349707ced01be7ced9f7ea8d6547c5d426d738a86f5bae898cfb19982a6

Aliases

arxiv: 1104.0240 · arxiv_version: 1104.0240v1 · doi: 10.48550/arxiv.1104.0240 · pith_short_12: 4U74GSLQPTWQ · pith_short_16: 4U74GSLQPTWQDPT4 · pith_short_8: 4U74GSLQ

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/4U74GSLQPTWQDPT45WPX5KGWKR \
  | 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: e53fc349707ced01be7ced9f7ea8d6547c5d426d738a86f5bae898cfb19982a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58a922e209f94648c2e62d7e696b91deffb8558493c418e7c0f5bb1fcb4a1de0",
    "cross_cats_sorted": [
      "math.AP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-04-01T19:49:37Z",
    "title_canon_sha256": "dc3b3a8fc07326e7d222514682b2b9b70f4a29bc89f36fe7efe9e1c01a3eed44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0240",
    "kind": "arxiv",
    "version": 1
  }
}