Pith Number

pith:4KUHS6AN

pith:2019:4KUHS6ANZBCE7NDK7YIRA4U2S2

not attested not anchored not stored refs pending

Prospects for Wideband VLBI Correlation in the Cloud

Ajay Gill, Alexander W. Raymond, Arash Roshanineshat, Chi-kwan Chan, Jonathan Weintroub, Lindy Blackburn, Michael D. Johnson, Sheperd S. Doeleman

arxiv:1908.03991 v1 · 2019-08-12 · 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{4KUHS6ANZBCE7NDK7YIRA4U2S2}

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	2026-07-05T02:22:34.102960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a879780dc8444fb46afe1110729a96859c4eea0389a76a5db801fb835ee47c

Aliases

arxiv: 1908.03991 · arxiv_version: 1908.03991v1 · doi: 10.48550/arxiv.1908.03991 · pith_short_12: 4KUHS6ANZBCE · pith_short_16: 4KUHS6ANZBCE7NDK · pith_short_8: 4KUHS6AN

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/4KUHS6ANZBCE7NDK7YIRA4U2S2 \
  | 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: e2a879780dc8444fb46afe1110729a96859c4eea0389a76a5db801fb835ee47c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ff0c878f398d91166fb871255e992531ae8d33e2417a6c980213397264cdac",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-12T04:04:37Z",
    "title_canon_sha256": "bd8df88bb1edcdeb05bb6d7ab1f92330f88ced802794f077c7a8f283383d8cbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03991",
    "kind": "arxiv",
    "version": 1
  }
}