Pith Number

pith:ZQY7PPPJ

pith:2009:ZQY7PPPJJDHXUAXPBB5XOUCBMF

not attested not anchored not stored refs pending

The Murchison Widefield Array: Design Overview

Alan E.E. Rogers, Alan R. Whitney, Andrew Williams, Anish Roshi, Annino Vaccarella, Avinash Deshpande, Barton B. Kincaid, Brian E. Corey, Christopher Williams, Colin J. Lonsdale, Daniel Mitchell, David Herne, Deepak Kumar, Divya Oberoi, Edward Morgan, Eric Kratzenberg, Errol Kowald, Frank H. Briggs, Jacqueline N. Hewitt, Jamie Stevens, John D. Bunton, Jonathan Kocz, Joseph E. Salah, Joseph Pathikulangara, Judd D. Bowman, Justin C. Kasper, K. S. Srivani, Leonid Benkevitch, Lincoln J. Greenhill, Ludi deSouza, Mark Derome, Mark Waterson, Mervyn J. Lynch, Michael Matejek, Miguel F. Morales, M. R. Gopalakrishna, N. Udaya Shankar, P. A. Kamini, Rachel L. Webster, Randall B. Wayth, Robert J. Sault, Roger J. Cappallo, Sheperd S. Doeleman, S. Madhavi, Steven Burns, Steven Ord, Steven Tingay, T. Prabu

arxiv:0903.1828 v1 · 2009-03-10 · astro-ph.IM · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQY7PPPJJDHXUAXPBB5XOUCBMF}

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	2026-05-18T02:14:36.118103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc31f7bde948cf7a02ef087b775041614e4737456548c5e1016261697c90ef13

Aliases

arxiv: 0903.1828 · arxiv_version: 0903.1828v1 · doi: 10.48550/arxiv.0903.1828 · pith_short_12: ZQY7PPPJJDHX · pith_short_16: ZQY7PPPJJDHXUAXP · pith_short_8: ZQY7PPPJ

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/ZQY7PPPJJDHXUAXPBB5XOUCBMF \
  | 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: cc31f7bde948cf7a02ef087b775041614e4737456548c5e1016261697c90ef13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a810f32e0876d1117dbd1d9f033d82723f5830e0bda603ee8e823938b9fab6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-03-10T18:02:30Z",
    "title_canon_sha256": "600300ea65b206c3e24de82fef8f55aa7c125b1fefb53f24a76864d7006f0d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1828",
    "kind": "arxiv",
    "version": 1
  }
}