Pith Number

pith:DU6RBF45

pith:2023:DU6RBF45BEBT5LCCLJDGKNQXZL

not attested not anchored not stored refs pending

Spatially explicit accuracy assessment of deep learning-based, fine-resolution built-up land data in the United States

Johannes H. Uhl, Stefan Leyk

arxiv:2303.00841 v1 · 2023-03-01 · 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{DU6RBF45BEBT5LCCLJDGKNQXZL}

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	2026-07-05T06:46:21.606905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3d10979d09033eac425a46653617cae64599ee72d053d996542e96adff9563

Aliases

arxiv: 2303.00841 · arxiv_version: 2303.00841v1 · doi: 10.48550/arxiv.2303.00841 · pith_short_12: DU6RBF45BEBT · pith_short_16: DU6RBF45BEBT5LCC · pith_short_8: DU6RBF45

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/DU6RBF45BEBT5LCCLJDGKNQXZL \
  | 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: 1d3d10979d09033eac425a46653617cae64599ee72d053d996542e96adff9563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970e3a386210a37f1a3a019a6262331b55e70f70bf0d1d79aa77d7204b9f8079",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2023-03-01T22:09:23Z",
    "title_canon_sha256": "7fd8a653fb6c17bfdc3d1f692084c0b94bb91375ef0d44db5389bd4478cff12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.00841",
    "kind": "arxiv",
    "version": 1
  }
}