Pith Number

pith:HFFDYVVS

pith:2017:HFFDYVVSL3LXNEKO2HYLV2ADZE

not attested not anchored not stored refs pending

Spatially-Varying Blur Detection Based on Multiscale Fused and Sorted Transform Coefficients of Gradient Magnitudes

Lina J. Karam, S. Alireza Golestaneh

arxiv:1703.07478 v3 · 2017-03-22 · 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{HFFDYVVSL3LXNEKO2HYLV2ADZE}

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	2026-05-18T00:46:28.919264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

394a3c56b25ed776914ed1f0bae803c91ea5b73e00d62872f42cddd41ffad9b2

Aliases

arxiv: 1703.07478 · arxiv_version: 1703.07478v3 · doi: 10.48550/arxiv.1703.07478 · pith_short_12: HFFDYVVSL3LX · pith_short_16: HFFDYVVSL3LXNEKO · pith_short_8: HFFDYVVS

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/HFFDYVVSL3LXNEKO2HYLV2ADZE \
  | 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: 394a3c56b25ed776914ed1f0bae803c91ea5b73e00d62872f42cddd41ffad9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9bbe07ab42f175f2d75e34162cf89c39b12fb3d2ec51fa844b642859787edb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-22T00:44:26Z",
    "title_canon_sha256": "b1004830918e9dd79297dc83d90179841e9f8657fd9141d65e6db8d2b5714db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07478",
    "kind": "arxiv",
    "version": 3
  }
}