Pith Number

pith:RVAVEQ5M

pith:2026:RVAVEQ5M7UX7CAJA2U5FS32SXO

not attested not anchored not stored refs pending

Signal from Space: Detecting Schools and Towers to Bridge the Digital Divide

Fares Fourati, Mohamed-Slim Alouini, Sandor Farkas, Vladimir Daigele, Walid Mathlouthi, Zakarya Elmimouni

arxiv:2607.02724 v1 · 2026-07-02 · cs.CV · cs.AI · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVAVEQ5M7UX7CAJA2U5FS32SXO}

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	2026-07-07T00:16:10.865985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d415243acfd2ff10120d53a596f52bb9e72dc8f3d619c85262895d74c3dc355

Aliases

arxiv: 2607.02724 · arxiv_version: 2607.02724v1 · doi: 10.48550/arxiv.2607.02724 · pith_short_12: RVAVEQ5M7UX7 · pith_short_16: RVAVEQ5M7UX7CAJA · pith_short_8: RVAVEQ5M

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/RVAVEQ5M7UX7CAJA2U5FS32SXO \
  | 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: 8d415243acfd2ff10120d53a596f52bb9e72dc8f3d619c85262895d74c3dc355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de2557fa6a97c2d8526439a89d6bb1e4a2bc6423684f8c1a49ebd912fab899d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-02T19:19:39Z",
    "title_canon_sha256": "c02ac1087a62615883441c361bc9b25dd57911a354647b30499a9eee64ef254d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02724",
    "kind": "arxiv",
    "version": 1
  }
}