Pith Number

pith:66WZVVWK

pith:2017:66WZVVWKOO6HRDRLQIJ7JKU5AS

not attested not anchored not stored refs pending

Speckle Reduction with Trained Nonlinear Diffusion Filtering

Wensen Feng, Yunjin Chen

arxiv:1702.07482 v1 · 2017-02-24 · 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{66WZVVWKOO6HRDRLQIJ7JKU5AS}

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	2026-05-18T00:50:03.193846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ad9ad6ca73bc788e2b8213f4aa9d0492ac53d636ee79527f426ff473175222

Aliases

arxiv: 1702.07482 · arxiv_version: 1702.07482v1 · doi: 10.48550/arxiv.1702.07482 · pith_short_12: 66WZVVWKOO6H · pith_short_16: 66WZVVWKOO6HRDRL · pith_short_8: 66WZVVWK

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/66WZVVWKOO6HRDRLQIJ7JKU5AS \
  | 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: f7ad9ad6ca73bc788e2b8213f4aa9d0492ac53d636ee79527f426ff473175222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51761a622e72955775b343b241eed22de2727e32ba614f823719d37b11aa341c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-24T07:34:31Z",
    "title_canon_sha256": "1ed6f67a0b8d8b912f206dfca781c73b8456b97fde7dc79f0c227a7df748dd67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07482",
    "kind": "arxiv",
    "version": 1
  }
}