Pith Number

pith:G6QB2B62

pith:2024:G6QB2B62UYFFPLJ44EUUUU7Y63

not attested not anchored not stored refs pending

Towards localized accuracy assessment of remote-sensing derived built-up land layers across the rural-urban continuum

Johannes H. Uhl, Stefan Leyk

arxiv:2403.00166 v1 · 2024-02-29 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6QB2B62UYFFPLJ44EUUUU7Y63}

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	2026-07-05T07:50:59.968051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37a01d07daa60a57ad3ce1294a53f8f6e33cb7e1e5651ea7b0acee0971b5bdce

Aliases

arxiv: 2403.00166 · arxiv_version: 2403.00166v1 · doi: 10.48550/arxiv.2403.00166 · pith_short_12: G6QB2B62UYFF · pith_short_16: G6QB2B62UYFFPLJ4 · pith_short_8: G6QB2B62

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/G6QB2B62UYFFPLJ44EUUUU7Y63 \
  | 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: 37a01d07daa60a57ad3ce1294a53f8f6e33cb7e1e5651ea7b0acee0971b5bdce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd806a3d3fdc5b539450a2c9c3ab1af1301877b6fcccd1f0a6a1c27bc6c3e305",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2024-02-29T22:29:35Z",
    "title_canon_sha256": "fcab0f94766d2b03b4bffcc8460c8663c0300600afee673ed362dba10a810748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.00166",
    "kind": "arxiv",
    "version": 1
  }
}