Pith Number

pith:IDW3GW7R

pith:2025:IDW3GW7RFIIZNYIJDPR3IQZ2UH

not attested not anchored not stored refs pending

High-Quality Cloud-Free Optical Image Synthesis Using Multi-Temporal SAR and Contaminated Optical Data

Chenxi Duan

arxiv:2504.16870 v1 · 2025-04-23 · 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{IDW3GW7RFIIZNYIJDPR3IQZ2UH}

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	2026-07-05T10:53:05.667526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40edb35bf12a1196e1091be3b4433aa1d99a7c1d9d47cb0c522ff10c049bc18a

Aliases

arxiv: 2504.16870 · arxiv_version: 2504.16870v1 · doi: 10.48550/arxiv.2504.16870 · pith_short_12: IDW3GW7RFIIZ · pith_short_16: IDW3GW7RFIIZNYIJ · pith_short_8: IDW3GW7R

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/IDW3GW7RFIIZNYIJDPR3IQZ2UH \
  | 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: 40edb35bf12a1196e1091be3b4433aa1d99a7c1d9d47cb0c522ff10c049bc18a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db5584f9201fb384f81fa440451158a83b87a1566870f9832373b48a09f063e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-23T16:44:53Z",
    "title_canon_sha256": "ee09d8e4ecdcd4404cb0c459f3a60c8f52aa3699d3e438b9fb643dafae4ae04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16870",
    "kind": "arxiv",
    "version": 1
  }
}