Pith Number

pith:B5UD5LVF

pith:2026:B5UD5LVFOBO4ZKAI7YCR3YHLLD

not attested not anchored not stored refs pending

Building and Road Recognition in Dense Urban Informal Settlements: A Dataset and Benchmark

Hongyu Long, Jiaxuan Liu, Rui Cao

arxiv:2605.29856 v1 · 2026-05-28 · 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{B5UD5LVFOBO4ZKAI7YCR3YHLLD}

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	2026-05-29T02:05:56.235570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f683eaea5705dcca808fe051de0eb58ec33f5026842872783bbcd5ad06b9e70

Aliases

arxiv: 2605.29856 · arxiv_version: 2605.29856v1 · doi: 10.48550/arxiv.2605.29856 · pith_short_12: B5UD5LVFOBO4 · pith_short_16: B5UD5LVFOBO4ZKAI · pith_short_8: B5UD5LVF

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/B5UD5LVFOBO4ZKAI7YCR3YHLLD \
  | 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: 0f683eaea5705dcca808fe051de0eb58ec33f5026842872783bbcd5ad06b9e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfeac5bfb1e1a3379369102aa90b99125aaf52d0457b99e6a648b960405fd7e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-28T12:37:14Z",
    "title_canon_sha256": "1f12c9292559d34d37c59219b77d5f594a9e3fd133fa488f03f7e3cae7552988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29856",
    "kind": "arxiv",
    "version": 1
  }
}