Pith Number

pith:Q72DFYQN

pith:2019:Q72DFYQN5VMOHF7S53ODR2AD65

not attested not anchored not stored refs pending

A lightweight convolutional neural network for image denoising with fine details preservation capability

Avisek Lahiri, Prabir Kumar Biswas, Sutanu Bera

arxiv:1903.09520 v1 · 2019-03-22 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q72DFYQN5VMOHF7S53ODR2AD65}

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	2026-05-17T23:50:39.407047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f432e20ded58e397f2eedc38e803f7566fa5d24d05f81cd96c00b116412364

Aliases

arxiv: 1903.09520 · arxiv_version: 1903.09520v1 · doi: 10.48550/arxiv.1903.09520 · pith_short_12: Q72DFYQN5VMO · pith_short_16: Q72DFYQN5VMOHF7S · pith_short_8: Q72DFYQN

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/Q72DFYQN5VMOHF7S53ODR2AD65 \
  | 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: 87f432e20ded58e397f2eedc38e803f7566fa5d24d05f81cd96c00b116412364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "282a45e0e4a4d15b8164e1c070041ecfb109e803439ca8a82a97b3588630937a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-03-22T14:14:39Z",
    "title_canon_sha256": "65703cfd3b5fe7a8ddc5d7fd4b4e69a3aa245cfbae02d5b757b27ebaee6ead0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09520",
    "kind": "arxiv",
    "version": 1
  }
}