Pith Number

pith:L64IUNYW

pith:2019:L64IUNYW57CRYK52ZQ5CG2C2FH

not attested not anchored not stored refs pending

Space very long baseline interferometry in China

Baoqiang Lao, Dali Kong, Fang Wu, Guangli Wang, Juan Zhang, Lei Liu, Li Fu, Prashanth Mohan, Qinghui Liu, Quan Guo, Shuhua Ye, Sumit Jaiswal, Tao An, Weijia Lv, Weimin Zheng, Weiye Zhong (on behalf of the space VLBI team), Xiaocong Wu, Xiaoyu Hong, Zhenya Zheng, Zhihan Qian, Zhiqiang Shen, Zhongli Zhang

arxiv:1901.07796 v2 · 2019-01-23 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L64IUNYW57CRYK52ZQ5CG2C2FH}

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	2026-05-17T23:44:21.800109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb88a3716efc51c2bbacc3a23685a29d409a3f9c38429774ae3c0216923ffa0

Aliases

arxiv: 1901.07796 · arxiv_version: 1901.07796v2 · doi: 10.48550/arxiv.1901.07796 · pith_short_12: L64IUNYW57CR · pith_short_16: L64IUNYW57CRYK52 · pith_short_8: L64IUNYW

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/L64IUNYW57CRYK52ZQ5CG2C2FH \
  | 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: 5fb88a3716efc51c2bbacc3a23685a29d409a3f9c38429774ae3c0216923ffa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db4c5e3a4411381664ff97d2ea2aa4a26601a6d60ec5bed2f3d0b1d00f0fe4c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-23T09:58:02Z",
    "title_canon_sha256": "54560093358116d82d7087d604def78889052e0fcbfd536b6fdecf2fe2233cc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07796",
    "kind": "arxiv",
    "version": 2
  }
}