Pith Number

pith:O2VU7YIJ

pith:2023:O2VU7YIJBZCIG7BE7PQ2NMAVAL

not attested not anchored not stored refs pending

Image Restoration with Point Spread Function Regularization and Active Learning

Chenzhou Cui, Jiameng Lv, Kaifan Ji, Nan Li, Peng Jia, Runyu Ning, Shanshan Li, Yu Song

arxiv:2311.00186 v1 · 2023-10-31 · astro-ph.IM · astro-ph.GA · astro-ph.SR · 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{O2VU7YIJBZCIG7BE7PQ2NMAVAL}

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	2026-07-05T07:07:43.489873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76ab4fe1090e44837c24fbe1a6b01502caf093694e0712468d8f7b0d36769345

Aliases

arxiv: 2311.00186 · arxiv_version: 2311.00186v1 · doi: 10.48550/arxiv.2311.00186 · pith_short_12: O2VU7YIJBZCI · pith_short_16: O2VU7YIJBZCIG7BE · pith_short_8: O2VU7YIJ

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/O2VU7YIJBZCIG7BE7PQ2NMAVAL \
  | 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: 76ab4fe1090e44837c24fbe1a6b01502caf093694e0712468d8f7b0d36769345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53ef4c0d77bb72466bcd96422616d2246593e1674792399f94870d5a1f3375df",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-10-31T23:16:26Z",
    "title_canon_sha256": "864e63e947ee84fa9ec93d3e16f769e8ec4e254f7384eae093df6cff37e5feef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.00186",
    "kind": "arxiv",
    "version": 1
  }
}