Pith Number

pith:3V3RRPYG

pith:2023:3V3RRPYGO5JDYGCJ4HYDB3QW5T

not attested not anchored not stored refs pending

Removing Image Artifacts From Scratched Lens Protectors

Alex C. Kot, Bihan Wen, Lap-Pui Chau, Renjie Wan, Wenhan Yang, Yufei Wang

arxiv:2302.05746 v2 · 2023-02-11 · cs.CV · 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{3V3RRPYGO5JDYGCJ4HYDB3QW5T}

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	2026-07-05T05:41:41.828577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7718bf0677523c1849e1f030ee16eccdacdea68e938560c86b1c4ab26962a3

Aliases

arxiv: 2302.05746 · arxiv_version: 2302.05746v2 · doi: 10.48550/arxiv.2302.05746 · pith_short_12: 3V3RRPYGO5JD · pith_short_16: 3V3RRPYGO5JDYGCJ · pith_short_8: 3V3RRPYG

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/3V3RRPYGO5JDYGCJ4HYDB3QW5T \
  | 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: dd7718bf0677523c1849e1f030ee16eccdacdea68e938560c86b1c4ab26962a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7010dbb5da1f4254ed96c4570e20668c201bc980717e71c4c746c7f1c1104a9",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-02-11T17:17:27Z",
    "title_canon_sha256": "75a921d8fd8b08346d4e8af700d795365d1a8c832a7ce7c26696ab155ad9435d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.05746",
    "kind": "arxiv",
    "version": 2
  }
}