Pith Number

pith:XTY2ZH6X

pith:2025:XTY2ZH6XUC2VOKY273PCFCLPAP

not attested not anchored not stored refs pending

Unsupervised Urban Land Use Mapping with Street View Contrastive Clustering and a Geographical Prior

Konrad Schindler, Lin Che, Martin Raubal, Peter Kiefer, Tanhua Jin, Yizi Chen

arxiv:2504.17551 v2 · 2025-04-24 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTY2ZH6XUC2VOKY273PCFCLPAP}

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	2026-07-05T11:02:23.701897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf1ac9fd7a0b5572b1afede22896f03f14d53105f139971f4842411e7787044

Aliases

arxiv: 2504.17551 · arxiv_version: 2504.17551v2 · doi: 10.48550/arxiv.2504.17551 · pith_short_12: XTY2ZH6XUC2V · pith_short_16: XTY2ZH6XUC2VOKY2 · pith_short_8: XTY2ZH6X

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/XTY2ZH6XUC2VOKY273PCFCLPAP \
  | 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: bcf1ac9fd7a0b5572b1afede22896f03f14d53105f139971f4842411e7787044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d631419b6b927286dff2efb4911a10e5c147be21354a0e588965df70bc9e1d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-24T13:41:27Z",
    "title_canon_sha256": "bfae7362af66ec24545299f78d6ff79577d8fbe5602aba4e52d2a3c12aaf3404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17551",
    "kind": "arxiv",
    "version": 2
  }
}