Pith Number

pith:3SX2VFDE

pith:2018:3SX2VFDEJQA7GZGIOYATFKIL2B

not attested not anchored not stored refs pending

Current status of Shanghai VLBI correlator

Fengchu Shu, Tianyu Jiang, Wu Jiang, Zhiqiang Shen, Zhong Chen

arxiv:1804.04788 v1 · 2018-04-13 · 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{3SX2VFDEJQA7GZGIOYATFKIL2B}

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	2026-05-18T00:18:34.978346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcafaa94644c01f364c8760132a90bd04487821eaaf0f73e7ff84f9c0eb3d440

Aliases

arxiv: 1804.04788 · arxiv_version: 1804.04788v1 · doi: 10.48550/arxiv.1804.04788 · pith_short_12: 3SX2VFDEJQA7 · pith_short_16: 3SX2VFDEJQA7GZGI · pith_short_8: 3SX2VFDE

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/3SX2VFDEJQA7GZGIOYATFKIL2B \
  | 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: dcafaa94644c01f364c8760132a90bd04487821eaaf0f73e7ff84f9c0eb3d440

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c54e89822c81a29c5103800b9cc1ba5bafd2c620147afa0fec5e70659692980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-04-13T05:00:13Z",
    "title_canon_sha256": "10a041757d5f59ff19a4303b49455a3a77d07a2e548602b0e219d57f560860d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04788",
    "kind": "arxiv",
    "version": 1
  }
}