Pith Number

pith:5L4IL7IM

pith:2014:5L4IL7IMCG4CS3U5GNCXXDIGBK

not attested not anchored not stored refs pending

The Chinese space millimeter-wavelength VLBI array - a step toward imaging the most compact astronomical objects

Qinghui Liu, Tao An, the Chinese Space VLBI Array team, Xiaoyu Hong, Zhiqiang Shen

arxiv:1403.5188 v1 · 2014-03-20 · astro-ph.IM · 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{5L4IL7IMCG4CS3U5GNCXXDIGBK}

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	2026-05-18T02:48:46.192008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf885fd0c11b8296e9d33457b8d060a996fdb28edab552ccdb4672527fa42e6

Aliases

arxiv: 1403.5188 · arxiv_version: 1403.5188v1 · doi: 10.48550/arxiv.1403.5188 · pith_short_12: 5L4IL7IMCG4C · pith_short_16: 5L4IL7IMCG4CS3U5 · pith_short_8: 5L4IL7IM

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/5L4IL7IMCG4CS3U5GNCXXDIGBK \
  | 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: eaf885fd0c11b8296e9d33457b8d060a996fdb28edab552ccdb4672527fa42e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3820321bdc0d6eee4ea6eada424a6296bb0e9791e1559b3e2f4b6d2bc02b121b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-03-20T16:13:20Z",
    "title_canon_sha256": "3a6b1b65bc7d0d2f464d7eb32e9b1c15461f54f2f104257be00d18d810a8db32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5188",
    "kind": "arxiv",
    "version": 1
  }
}