Pith Number

pith:YQGCPPC2

pith:2015:YQGCPPC2FALQWRC276PCBO7J66

not attested not anchored not stored refs pending

Z45: A New 45-GHz Band Dual-Polarization HEMT Receiver for the NRO 45-m Radio Telescope

Daisuke Iono, Fumitaka Nakamura (NAOJ), Hideo Ogawa (Osaka Pref. Univ.), Hiroko Shinnaga, Izumi Mizuno, Kazuhito Dobashi, Kazuki Tokuda, Kimihiko Kimura, Kotomi Taniguchi, Minato Kozu, Munetake Momose, Nario Kuno, Nozomi Okada, Ryohei Kawabe, Satoshi Yamamoto, Seiji Kameno, Shuro Takano, Taku Nakajima, Tetsu Ochiai, Tomomi Shimoikura, Toshikazu Onishi, Yoshinori Yonekura (Ibaraki Univ.), Yutaka Hasegawa

arxiv:1509.02631 v1 · 2015-09-09 · astro-ph.IM · astro-ph.GA · 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{YQGCPPC2FALQWRC276PCBO7J66}

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	2026-05-18T01:30:17.839945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40c27bc5a28170b445aff9e20bbe9f7a7faf458f9df98f43808dfd282458c62

Aliases

arxiv: 1509.02631 · arxiv_version: 1509.02631v1 · doi: 10.48550/arxiv.1509.02631 · pith_short_12: YQGCPPC2FALQ · pith_short_16: YQGCPPC2FALQWRC2 · pith_short_8: YQGCPPC2

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/YQGCPPC2FALQWRC276PCBO7J66 \
  | 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: c40c27bc5a28170b445aff9e20bbe9f7a7faf458f9df98f43808dfd282458c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc9880078cc20872de07b60523f45b28a9b4bdefafce85821e60ce48c3a5e407",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-09-09T04:18:46Z",
    "title_canon_sha256": "03d382d1498c4831491c77bc7dabb312ab31659a8a2e60c0aee5f0a1aef44661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02631",
    "kind": "arxiv",
    "version": 1
  }
}