Pith Number

pith:PKQYDWHW

pith:2017:PKQYDWHWKPJHPRVXCDHTOP23B7

not attested not anchored not stored refs pending

Block-Matching Convolutional Neural Network for Image Denoising

Byeongyong Ahn, Nam Ik Cho

arxiv:1704.00524 v1 · 2017-04-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKQYDWHWKPJHPRVXCDHTOP23B7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:47:22.093069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aa181d8f653d277c6b710cf373f5b0fd42b4f27f7ac330aa5de8e09ba0d59b6

Aliases

arxiv: 1704.00524 · arxiv_version: 1704.00524v1 · doi: 10.48550/arxiv.1704.00524 · pith_short_12: PKQYDWHWKPJH · pith_short_16: PKQYDWHWKPJHPRVX · pith_short_8: PKQYDWHW

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/PKQYDWHWKPJHPRVXCDHTOP23B7 \
  | 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: 7aa181d8f653d277c6b710cf373f5b0fd42b4f27f7ac330aa5de8e09ba0d59b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77cd55567fde84ac175d1c4e485cd7fc648239e56e8ef72e15bf79d43b5f0661",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-03T11:01:47Z",
    "title_canon_sha256": "1788f4fa55a15631e594307f1e43bbfdbeed7bf186c22c9ceb0ace25840816b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00524",
    "kind": "arxiv",
    "version": 1
  }
}