Pith Number

pith:ZB4MTOE4

pith:2025:ZB4MTOE4ZT4A7XHN4TVGFZV3PN

not attested not anchored not stored refs pending

Themed Challenges to Solve Data Scarcity in Africa: A Proposition for Increasing Local Data Collection and Integration

Alexander Hammers, Andrew King, Jonathan Shapey, Maruf Adewole, Mubaraq Yakubu, Theodore Barfoot, Tiarna Lee, Tom Vercauteren, Udunna Anazodo

arxiv:2508.00925 v1 · 2025-07-30 · 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{ZB4MTOE4ZT4A7XHN4TVGFZV3PN}

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	2026-07-05T11:47:29.884569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c878c9b89cccf80fdcede4ea62e6bb7b47d9e58908ce864984003a314b192811

Aliases

arxiv: 2508.00925 · arxiv_version: 2508.00925v1 · doi: 10.48550/arxiv.2508.00925 · pith_short_12: ZB4MTOE4ZT4A · pith_short_16: ZB4MTOE4ZT4A7XHN · pith_short_8: ZB4MTOE4

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/ZB4MTOE4ZT4A7XHN4TVGFZV3PN \
  | 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: c878c9b89cccf80fdcede4ea62e6bb7b47d9e58908ce864984003a314b192811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721c302f994758a777013f489011c5220ed7e99e719911ffc96db0155f1e5edc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-07-30T11:42:00Z",
    "title_canon_sha256": "a7d07f52af5a51caed5d1fad24ff873c234e1b4de05a4dcece6de26493427cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00925",
    "kind": "arxiv",
    "version": 1
  }
}