Pith Number

pith:WWSSTPTI

pith:2020:WWSSTPTIU3ACWJHEMBSHXWVQ4Q

not attested not anchored not stored refs pending

Calibration database for the Murchison Widefield Array All-Sky Virtual Observatory

A. Offringa, A. Williams, C. H. Jordan, D. Kenney, D. L. Kaplan, D. Pallot, G. Sleap, M. Johnston-Hollitt, M. Sokolowski, M. Walker, N. Hurley-Walker, R. B. Wayth, S. J. Tingay, T. M. O. Franzen

arxiv:2005.02041 v1 · 2020-05-05 · 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{WWSSTPTIU3ACWJHEMBSHXWVQ4Q}

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	2026-07-05T01:10:37.407036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a529be68a6c02b24e460647bdab0e40dcc63700156a9ab72fb8fd76965d92e

Aliases

arxiv: 2005.02041 · arxiv_version: 2005.02041v1 · doi: 10.48550/arxiv.2005.02041 · pith_short_12: WWSSTPTIU3AC · pith_short_16: WWSSTPTIU3ACWJHE · pith_short_8: WWSSTPTI

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/WWSSTPTIU3ACWJHEMBSHXWVQ4Q \
  | 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: b5a529be68a6c02b24e460647bdab0e40dcc63700156a9ab72fb8fd76965d92e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffd1d47d343133741d548fab7a4b82f97182a05b61b92e78e63fd23efdd5bbed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-05-05T10:12:57Z",
    "title_canon_sha256": "888bbd3b82c25dc9fa2c3a901f0acb8e4f0e96d114627da220093d43c09b9cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02041",
    "kind": "arxiv",
    "version": 1
  }
}