Pith Number

pith:NQ2MACY5

pith:2019:NQ2MACY5VSJRIAX7A2TSKMANA5

not attested not anchored not stored refs pending

A Deep Optimization Approach for Image Deconvolution

Siyu Chen, Yuntao Qian, Zhijian Luo

arxiv:1904.07516 v1 · 2019-04-16 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQ2MACY5VSJRIAX7A2TSKMANA5}

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	2026-05-17T23:48:25.008281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c34c00b1dac931402ff06a725300d0778814ab23301512b925f7064ccb3e859

Aliases

arxiv: 1904.07516 · arxiv_version: 1904.07516v1 · doi: 10.48550/arxiv.1904.07516 · pith_short_12: NQ2MACY5VSJR · pith_short_16: NQ2MACY5VSJRIAX7 · pith_short_8: NQ2MACY5

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/NQ2MACY5VSJRIAX7A2TSKMANA5 \
  | 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: 6c34c00b1dac931402ff06a725300d0778814ab23301512b925f7064ccb3e859

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de6474008d1803fc0976a8917df3020e84f7dbe2d861c212e292304aee7c06a9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-16T07:52:45Z",
    "title_canon_sha256": "5fc1779260641af5f620273f97af4c78a42a96fcf04a77b926ba50590318033c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07516",
    "kind": "arxiv",
    "version": 1
  }
}