Pith Number

pith:XKSPD6AR

pith:2019:XKSPD6ARL3UVKP3VENASJUULRH

not attested not anchored not stored refs pending

Correcting rural building annotations in OpenStreetMap using convolutional neural networks

Alexandre X. Falc\~ao, Devis Tuia, John E. Vargas-Mu\~noz, Sylvain Lobry

arxiv:1901.08190 v1 · 2019-01-24 · 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{XKSPD6ARL3UVKP3VENASJUULRH}

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	2026-05-17T23:55:37.701596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baa4f1f8115ee9553f75234124d28b89c6933725a045c18c5f5cec6f25c40523

Aliases

arxiv: 1901.08190 · arxiv_version: 1901.08190v1 · doi: 10.48550/arxiv.1901.08190 · pith_short_12: XKSPD6ARL3UV · pith_short_16: XKSPD6ARL3UVKP3V · pith_short_8: XKSPD6AR

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/XKSPD6ARL3UVKP3VENASJUULRH \
  | 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: baa4f1f8115ee9553f75234124d28b89c6933725a045c18c5f5cec6f25c40523

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819cd715ff1a8114ec3f475e04ce108da822d9847af7b0604f50a88f0a395af3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-24T01:44:12Z",
    "title_canon_sha256": "7de413292ce6d8a6d6406a37c3fb80274a513b3ff8123123ea85fd4c178a4ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08190",
    "kind": "arxiv",
    "version": 1
  }
}