Pith Number

pith:7LDWAL32

pith:2024:7LDWAL324H77IG4ZFF6CZYGK2Z

not attested not anchored not stored refs pending

A Geodetic and Astrometric VLBI Experiment at 22/43/88/132 GHz

Bo Zhang, Byung-Kyu Choi, Do-Young Byun, Fengchun Shu, Guangli Wang, Hyo-Ryoung Kim, Jungho Cho, Ming Hui Xu, Nobuyuki Sakai, Oleg Titov, Shuangjing Xu, Sung-Moon Yoo, Taehyun Jung, Woo Kyoung Lee, Xiaofeng Mai, Xuan He, Yan Sun

arxiv:2409.07309 v1 · 2024-09-11 · astro-ph.IM · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LDWAL324H77IG4ZFF6CZYGK2Z}

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	2026-07-05T09:05:56.046344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac7602f7ae1fff41b99297c2ce0cad64d6db2400339727cbab449201564a2ee

Aliases

arxiv: 2409.07309 · arxiv_version: 2409.07309v1 · doi: 10.48550/arxiv.2409.07309 · pith_short_12: 7LDWAL324H77 · pith_short_16: 7LDWAL324H77IG4Z · pith_short_8: 7LDWAL32

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/7LDWAL324H77IG4ZFF6CZYGK2Z \
  | 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: fac7602f7ae1fff41b99297c2ce0cad64d6db2400339727cbab449201564a2ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "723c35fffe54e18f1bcd400328b4513fa1ce0483455375254d7e43a2f5b8d2e8",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-09-11T14:38:38Z",
    "title_canon_sha256": "b9ca12b388ddc3800e1ca092468c30af87cc486d07a2d96006c89e6f13d78e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.07309",
    "kind": "arxiv",
    "version": 1
  }
}