Pith Number

pith:L7KKZS4J

pith:2026:L7KKZS4JNNDF4NJFFFN6TQR7PC

not attested not anchored not stored refs pending

Extending the SKA Across Africa: The Case for a Continental African VLBI Network

Ailing Wang, Anne-Kathrin Baczko, Benedicta Woode, Benito Marcote, Candela Chico, Carla S. Mitchell, Cristiana Spingola, Cristina Garc\'ia-Mir\'o, Emmanuel K. Bempong-Manful, Emmanuel Proven-Adzri, Hans-Rainer Kl\"ockner, Isaac M. Mutie, Isabella Prandoni, Jack Radcliffe, James O. Chibueze, Johannes Allotey, Jompoj Wongphechauxsorn, Marcello Giroletti, Matthias Kadler, Melvin Hoare, Naomi Asabre Frimpong, Olga Bayandina, Pfesesani V. van Zyl, Rasha M. Samir, Robert Beswick, Rocco Lico, Roger P. Deane, Saul P. Phiri, Simon Garrington, Stefano Giarratana, Tao An, Tyler L. Bourke, Valente Cuambe, Willice Obonyo

arxiv:2606.26365 v1 · 2026-06-24 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7KKZS4JNNDF4NJFFFN6TQR7PC}

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	2026-06-26T00:15:38.254137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd4accb896b465e3525295be9c23f7891a575798bded2b4bfde0041b2a3b67c

Aliases

arxiv: 2606.26365 · arxiv_version: 2606.26365v1 · doi: 10.48550/arxiv.2606.26365 · pith_short_12: L7KKZS4JNNDF · pith_short_16: L7KKZS4JNNDF4NJF · pith_short_8: L7KKZS4J

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/L7KKZS4JNNDF4NJFFFN6TQR7PC \
  | 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: 5fd4accb896b465e3525295be9c23f7891a575798bded2b4bfde0041b2a3b67c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0889b612b5aa14b32a2a5860ba137c99e6582f2efab035b18bc3a772d4ccc982",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-24T20:21:28Z",
    "title_canon_sha256": "724bdda013bb4fb74274129694cfe40a3d75e2612f84c5f1c6f03d645ddb1068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26365",
    "kind": "arxiv",
    "version": 1
  }
}