Pith Number

pith:QMEHXZF5

pith:2013:QMEHXZF5GYJWGUPVQ3WBUX2DSJ

not attested not anchored not stored refs pending

Non-Uniform Blind Deblurring with a Spatially-Adaptive Sparse Prior

David Wipf, Haichao Zhang

arxiv:1306.3828 v1 · 2013-06-17 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMEHXZF5GYJWGUPVQ3WBUX2DSJ}

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	2026-05-18T03:20:46.271996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83087be4bd36136351f586ec1a5f439255b1bfdbd40844db78dcc26df3581838

Aliases

arxiv: 1306.3828 · arxiv_version: 1306.3828v1 · doi: 10.48550/arxiv.1306.3828 · pith_short_12: QMEHXZF5GYJW · pith_short_16: QMEHXZF5GYJWGUPV · pith_short_8: QMEHXZF5

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/QMEHXZF5GYJWGUPVQ3WBUX2DSJ \
  | 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: 83087be4bd36136351f586ec1a5f439255b1bfdbd40844db78dcc26df3581838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326583804d2f759cac8b212c166e91ef2999460be0549dd3913750bea5756c5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-06-17T12:12:22Z",
    "title_canon_sha256": "448e1f2be8f09d669c58d62d2202b47ff5a6c47002f2a204160b9a47e2245081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3828",
    "kind": "arxiv",
    "version": 1
  }
}