Pith Number

pith:QBIRR34V

pith:2026:QBIRR34VGFMM2HLJU6ZYM6LWTU

not attested not anchored not stored refs pending

Automated Quality Assessment of Geospatial Vector Data: A GeoAI Approach using Spatial Representation Learning

Chen Chu, Cyrus Shahabi, Filip Biljecki, Hao Li, Wenwen Li

arxiv:2606.28390 v1 · 2026-06-23 · 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{QBIRR34VGFMM2HLJU6ZYM6LWTU}

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	2026-06-30T00:15:12.738219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

805118ef953158cd1d69a7b38679769d29fe19c8bb7fa3170a1222cd6cbb6e70

Aliases

arxiv: 2606.28390 · arxiv_version: 2606.28390v1 · doi: 10.48550/arxiv.2606.28390 · pith_short_12: QBIRR34VGFMM · pith_short_16: QBIRR34VGFMM2HLJ · pith_short_8: QBIRR34V

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/QBIRR34VGFMM2HLJU6ZYM6LWTU \
  | 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: 805118ef953158cd1d69a7b38679769d29fe19c8bb7fa3170a1222cd6cbb6e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09a9e78f7c8df02eafb38dbcc61fc108581bbd09e83e88179ea249da05eba296",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-23T09:41:59Z",
    "title_canon_sha256": "fd01c427fb5b14460fd088e14f7e4ee1229c8bd5a612f1ed77cd2cc4b52b9776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28390",
    "kind": "arxiv",
    "version": 1
  }
}