Pith Number

pith:XX7PE7ZK

pith:2020:XX7PE7ZKSVUMTQVEM5NGC4I43P

not attested not anchored not stored refs pending

Robust Unsupervised Small Area Change Detection from SAR Imagery Using Deep Learning

Ce Zhang, Hang Su, Peter M. Atkinson, Xiaoheng Tan, Xiaowei Gu, Xinzheng Zhang

arxiv:2011.11005 v1 · 2020-11-22 · 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{XX7PE7ZKSVUMTQVEM5NGC4I43P}

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	2026-07-05T01:53:28.620430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdfef27f2a9568c9c2a4675a61711cdbcc556e6826a91849ff6fbe371f28dcbd

Aliases

arxiv: 2011.11005 · arxiv_version: 2011.11005v1 · doi: 10.48550/arxiv.2011.11005 · pith_short_12: XX7PE7ZKSVUM · pith_short_16: XX7PE7ZKSVUMTQVE · pith_short_8: XX7PE7ZK

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/XX7PE7ZKSVUMTQVEM5NGC4I43P \
  | 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: bdfef27f2a9568c9c2a4675a61711cdbcc556e6826a91849ff6fbe371f28dcbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5892544714ee993d8eca657e62ceb2aef0af46078696a1dbfb613e7056980499",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-22T12:50:08Z",
    "title_canon_sha256": "d7350d91a10c34de6275c24901bb2c7ed14090496da52e6c733bcbeb0149d678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11005",
    "kind": "arxiv",
    "version": 1
  }
}