Pith Number

pith:4SAPTKG5

pith:2025:4SAPTKG5GYEQ7VICKQACB2GMKS

not attested not anchored not stored refs pending

Optimization-Based Image Restoration under Implementation Constraints in Optical Analog Circuits

Kazunori Hayashi, Ryo Hayakawa, Soma Furusawa, Taisei Kato, Youji Iiguni

arxiv:2506.14624 v1 · 2025-06-17 · 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{4SAPTKG5GYEQ7VICKQACB2GMKS}

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	2026-07-05T11:22:59.938438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e480f9a8dd36090fd502540020e8cc548be7004d850c0a6f3ce8f892f1071c35

Aliases

arxiv: 2506.14624 · arxiv_version: 2506.14624v1 · doi: 10.48550/arxiv.2506.14624 · pith_short_12: 4SAPTKG5GYEQ · pith_short_16: 4SAPTKG5GYEQ7VIC · pith_short_8: 4SAPTKG5

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/4SAPTKG5GYEQ7VICKQACB2GMKS \
  | 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: e480f9a8dd36090fd502540020e8cc548be7004d850c0a6f3ce8f892f1071c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb95a049c31ca4ea4ec128f0a8cab23b0f4415eea54a40ec78ec4e10bed2a591",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-06-17T15:22:06Z",
    "title_canon_sha256": "8788d30c5c192463a9afe89d564420cc7e51665777eb5b560a11beecd07c8fbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.14624",
    "kind": "arxiv",
    "version": 1
  }
}