Pith Number

pith:NGEPFQXG

pith:2014:NGEPFQXGEGD7SIOLODMVM5CSG4

not attested not anchored not stored refs pending

Conversion of New Zealand's 30m Telecommunication Antenna into a Radio Telescope

Lewis Woodburn, Mark Godwin, Peter Thomasson, Sergei Gulyaev, Stuart Weston, Tim Natusch

arxiv:1407.3346 v4 · 2014-07-12 · 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{NGEPFQXGEGD7SIOLODMVM5CSG4}

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	2026-05-18T02:04:10.978457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6988f2c2e62187f921cb70d956745237374b7b6b1a3b759d650d473fda2049b6

Aliases

arxiv: 1407.3346 · arxiv_version: 1407.3346v4 · doi: 10.48550/arxiv.1407.3346 · pith_short_12: NGEPFQXGEGD7 · pith_short_16: NGEPFQXGEGD7SIOL · pith_short_8: NGEPFQXG

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/NGEPFQXGEGD7SIOLODMVM5CSG4 \
  | 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: 6988f2c2e62187f921cb70d956745237374b7b6b1a3b759d650d473fda2049b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80298ec2314683a19b0f072430b3cfe92d736b3f0d78b17594d90f43320253f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-12T05:44:21Z",
    "title_canon_sha256": "98717f44b50e77bee1318773ff76e0818cb3cb6d557623a8f6af29af1ec8e5bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3346",
    "kind": "arxiv",
    "version": 4
  }
}