Pith Number

pith:Z2B7NIGS

pith:2008:Z2B7NIGSGGPQOO6L77E5WHSVPX

not attested not anchored not stored refs pending

A New 100-GHz Band Front-End System with a Waveguide-Type Dual-Polarization Sideband-Separating SIS Receiver for the NRO 45-m Radio Telescope

Hideo Ogawa, Kimihiro Kimura, Masato Tsuboi, Masayuki Kawamura, Nario Kuno, Ryohei Kawabe, Shin'ichiro Asayama, Takashi Noguchi, Takeshi Sakai, Taku Nakajima, Yoshinori Yonekura

arxiv:0804.0480 v1 · 2008-04-03 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2B7NIGSGGPQOO6L77E5WHSVPX}

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	2026-05-18T02:15:54.088017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce83f6a0d2319f073bcbffc9db1e557df6ec39d9fa5aa3995c5f86101850b114

Aliases

arxiv: 0804.0480 · arxiv_version: 0804.0480v1 · doi: 10.48550/arxiv.0804.0480 · pith_short_12: Z2B7NIGSGGPQ · pith_short_16: Z2B7NIGSGGPQOO6L · pith_short_8: Z2B7NIGS

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/Z2B7NIGSGGPQOO6L77E5WHSVPX \
  | 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: ce83f6a0d2319f073bcbffc9db1e557df6ec39d9fa5aa3995c5f86101850b114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cd6f729c37afc5e87c276562bd3d2b291ab9f49204e5631193b52fd285e2fe8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-03T06:43:20Z",
    "title_canon_sha256": "7eebd4d6dca24d1b7a98aca1b7473797f79da838c2f307213d287c02ad53bf7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0480",
    "kind": "arxiv",
    "version": 1
  }
}