Pith Number

pith:727PP75C

pith:2017:727PP75CL5ZWMXVHAEMJJCGL5E

not attested not anchored not stored refs pending

A Unified Approach of Multi-scale Deep and Hand-crafted Features for Defocus Estimation

Donghyeon Cho, In So Kweon, Jinsun Park, Yu-Wing Tai

arxiv:1704.08992 v1 · 2017-04-28 · 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{727PP75CL5ZWMXVHAEMJJCGL5E}

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	2026-05-18T00:45:23.001352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

febef7ffa25f73665ea701189488cbe90c41b032861fc25887cb767113159e8f

Aliases

arxiv: 1704.08992 · arxiv_version: 1704.08992v1 · doi: 10.48550/arxiv.1704.08992 · pith_short_12: 727PP75CL5ZW · pith_short_16: 727PP75CL5ZWMXVH · pith_short_8: 727PP75C

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/727PP75CL5ZWMXVHAEMJJCGL5E \
  | 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: febef7ffa25f73665ea701189488cbe90c41b032861fc25887cb767113159e8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a38e76b2ae4a531f989fafdc6acd0d9a87a6867a415392db184daf16fac106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-28T16:16:41Z",
    "title_canon_sha256": "7244f64e63d120acb77b38cf50b87a514a7310d3ae203a65a4f4ccacfad0e179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08992",
    "kind": "arxiv",
    "version": 1
  }
}