Pith Number

pith:MSC7L2EY

pith:2022:MSC7L2EYO5MUS4YYL3TAGE3HQR

not attested not anchored not stored refs pending

The Apertif science verification campaign - Characteristics of polarised radio sources

A. Berger, A. Mika, B. Adebahr, B. Hut, D. Vohl, E. A. K. Adams, E. Orr\'u, G. M. Loose, H. D\'enes, H. Mulder, J. M. van der Hulst, J. van Leeuwen, J. Ziemke, K. M. Hess, L. Connor, L. C. Oostrum, M. J. Norden, M. Ruiter, M. V. Ivashina, N. J. Vermaas, R. Schulz, R. Smits, S. Damstra, V. A. Moss, W. A. van Cappellen, W. J. G. de Blok, Y. Maan

arxiv:2203.16925 v1 · 2022-03-31 · astro-ph.GA · astro-ph.CO · 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{MSC7L2EYO5MUS4YYL3TAGE3HQR}

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	2026-07-05T04:41:36.313735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6485f5e89877594973185ee603136784794ca7b0745c10ef9a6441132ebb083e

Aliases

arxiv: 2203.16925 · arxiv_version: 2203.16925v1 · doi: 10.48550/arxiv.2203.16925 · pith_short_12: MSC7L2EYO5MU · pith_short_16: MSC7L2EYO5MUS4YY · pith_short_8: MSC7L2EY

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/MSC7L2EYO5MUS4YYL3TAGE3HQR \
  | 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: 6485f5e89877594973185ee603136784794ca7b0745c10ef9a6441132ebb083e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e4ea9db380627bffc54150e367b145ed6f19342b399224a3a71265386c2837e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-03-31T09:53:30Z",
    "title_canon_sha256": "16fd83d8dbfcd29a0e3df6086c24d74b301fdfb00791c8eac0e179d6c779f5dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16925",
    "kind": "arxiv",
    "version": 1
  }
}