Pith Number

pith:BQEWFCFD

pith:2018:BQEWFCFDJBZXRENEXNNVHBQWFA

not attested not anchored not stored refs pending

Focused blind deconvolution

Aim\'e Fournier, Laurent Demanet, Pawan Bharadwaj

arxiv:1808.00166 v1 · 2018-08-01 · 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{BQEWFCFDJBZXRENEXNNVHBQWFA}

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	2026-05-17T23:45:37.290226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c096288a348737891a4bb5b538616282693fb2bbc37cea66f7957d3532b4eda

Aliases

arxiv: 1808.00166 · arxiv_version: 1808.00166v1 · doi: 10.48550/arxiv.1808.00166 · pith_short_12: BQEWFCFDJBZX · pith_short_16: BQEWFCFDJBZXRENE · pith_short_8: BQEWFCFD

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/BQEWFCFDJBZXRENEXNNVHBQWFA \
  | 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: 0c096288a348737891a4bb5b538616282693fb2bbc37cea66f7957d3532b4eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b6c8a06c830413e2f09728bc12d3fed86b28e40c5ad20bea9cb40295b7b3f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-08-01T04:45:31Z",
    "title_canon_sha256": "d9724be2f1e732ad2ea6b95ecc6a4fb12f6a9297db16dc3941c3b71b94aa6697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00166",
    "kind": "arxiv",
    "version": 1
  }
}