Pith Number

pith:PMLQQXQF

pith:2025:PMLQQXQFPMH5CR5IPHIHLPGK77

not attested not anchored not stored refs pending

The Murchison Widefield Array Enters Adolescence: A Personal Review of the Early Years of Operations

Steven J. Tingay

arxiv:2509.08361 v1 · 2025-09-10 · 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{PMLQQXQFPMH5CR5IPHIHLPGK77}

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	2026-07-05T12:08:28.693661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b17085e057b0fd147a879d075bccaffdc6cd3aab92a80a76c08a83a5e59ec04

Aliases

arxiv: 2509.08361 · arxiv_version: 2509.08361v1 · doi: 10.48550/arxiv.2509.08361 · pith_short_12: PMLQQXQFPMH5 · pith_short_16: PMLQQXQFPMH5CR5I · pith_short_8: PMLQQXQF

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/PMLQQXQFPMH5CR5IPHIHLPGK77 \
  | 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: 7b17085e057b0fd147a879d075bccaffdc6cd3aab92a80a76c08a83a5e59ec04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ff0f11a3b1a201e0b5bdcef0bc7da46d7bd73488d088d776311e8dd2b8be7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-09-10T07:50:38Z",
    "title_canon_sha256": "73de14039fc1172ad345f1cc0637bca8c34625642a562072457806355d0a423b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08361",
    "kind": "arxiv",
    "version": 1
  }
}