Pith Number

pith:FPNKOU2X

pith:2010:FPNKOU2X67K6MOXVCYPDADAIEB

not attested not anchored not stored refs pending

1.2 Meter Shielded Cassegrain Antenna for Close-Packed Radio Interferometer

Chao-Te Li, Chih-Chiang Han, Chih-Wei L.Huang, Ching-Long Ong, Christophe Granet, Fu-Cheng Wang, Guo-Chin Liu, Hiroaki Nishioka, Jiun-Huei Proty Wu, Kai-Yang Lin, Keiichi Umetsu, Michael Kesteven, Ming-Tang Chen, Pablo Altamirano, Patrick M. Koch, Paul T.P.Ho, Peter Oshiro, Philippe Raffin, Yau-De Huang, Yu-Wei Liao

arxiv:1012.3899 v1 · 2010-12-17 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPNKOU2X67K6MOXVCYPDADAIEB}

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	2026-05-18T02:04:23.085294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bdaa75357f7d5e63af5161e300c0820576ee5b7116c8cef8d6cc4ef712bf81c

Aliases

arxiv: 1012.3899 · arxiv_version: 1012.3899v1 · doi: 10.48550/arxiv.1012.3899 · pith_short_12: FPNKOU2X67K6 · pith_short_16: FPNKOU2X67K6MOXV · pith_short_8: FPNKOU2X

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/FPNKOU2X67K6MOXVCYPDADAIEB \
  | 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: 2bdaa75357f7d5e63af5161e300c0820576ee5b7116c8cef8d6cc4ef712bf81c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ef10dd809de7bcb34829a9291cb3028c4ba85cd8fabe1f258093b1a5c85e55",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-17T15:07:03Z",
    "title_canon_sha256": "f33185d6ef349d23ac70523df34a5a72f386beab618021df7f92da0a7eef32e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3899",
    "kind": "arxiv",
    "version": 1
  }
}