Pith Number

pith:7YFGFZ74

pith:2021:7YFGFZ74VK3T5XYKD2RV2HQIB2

not attested not anchored not stored refs pending

Continental-Scale Building Detection from High Resolution Satellite Imagery

Abigail Annkah, Daniel Keysers, John Quinn, Marvin Ritter, Maxim Neumann, Moustapha Cisse, Sergii Kashubin, Wojciech Sirko, Yann Dauphin, Yasser Salah Eddine Bouchareb

arxiv:2107.12283 v2 · 2021-07-26 · 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{7YFGFZ74VK3T5XYKD2RV2HQIB2}

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.

Cited by

1 paper in Pith

Label-Efficient School Detection from Aerial Imagery via Weakly Supervised Pretraining and Fine-Tuning

Receipt and verification

First computed	2026-07-05T03:01:57.188568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe0a62e7fcaab73edf0a1ea35d1e080ea79f5e5c22d098feab6c487ccf3384e7

Aliases

arxiv: 2107.12283 · arxiv_version: 2107.12283v2 · doi: 10.48550/arxiv.2107.12283 · pith_short_12: 7YFGFZ74VK3T · pith_short_16: 7YFGFZ74VK3T5XYK · pith_short_8: 7YFGFZ74

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/7YFGFZ74VK3T5XYKD2RV2HQIB2 \
  | 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: fe0a62e7fcaab73edf0a1ea35d1e080ea79f5e5c22d098feab6c487ccf3384e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6158378a1ca9613feaa6a2b63f000616c17c77045784b6c8921c16dfaa8f7ed7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-26T15:48:14Z",
    "title_canon_sha256": "fb5deba89520ab2df87c53b498884d2f070ef034b64044ec1bf816cf2a6c0ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12283",
    "kind": "arxiv",
    "version": 2
  }
}