Pith Number

pith:W5QQ7AQD

pith:2025:W5QQ7AQDFLYQJ4POX2BBU6ET5T

not attested not anchored not stored refs pending

MergeSAM: Unsupervised change detection of remote sensing images based on the Segment Anything Model

Chengxi Han, Lingzhi Lu, Meiqi Hu, Xiaoping Liu

arxiv:2507.22675 v2 · 2025-07-30 · 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{W5QQ7AQDFLYQJ4POX2BBU6ET5T}

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	2026-07-05T11:59:18.501712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7610f82032af104f1eebe821a7893ecfc0f1a8e6c18866e76d4013a7241f4e7

Aliases

arxiv: 2507.22675 · arxiv_version: 2507.22675v2 · doi: 10.48550/arxiv.2507.22675 · pith_short_12: W5QQ7AQDFLYQ · pith_short_16: W5QQ7AQDFLYQJ4PO · pith_short_8: W5QQ7AQD

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/W5QQ7AQDFLYQJ4POX2BBU6ET5T \
  | 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: b7610f82032af104f1eebe821a7893ecfc0f1a8e6c18866e76d4013a7241f4e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd342a7b5dcd15c541efface2e91b6a41da98d04f69a7103d9c22136b0a3c5a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-30T13:37:00Z",
    "title_canon_sha256": "c3b2810c6a619dd12f7ea8962c377d791ba9c27c3fe44989b06ec702dc15c718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22675",
    "kind": "arxiv",
    "version": 2
  }
}