Pith Number

pith:S5ZMF6K7

pith:2010:S5ZMF6K7LLRBVEO4OGRABBBAO6

not attested not anchored not stored refs pending

Foregrounds for observations of the cosmological 21 cm line: II. Westerbork observations of the fields around 3C196 and the North Celestial Pole

A.G. de Bruyn, A. Offringa, B. Ciardi, G. Bernardi, G. Harker, J. Schaye, L.V.E. Koopmans, M.A. Brentjens, P. Labropoulos, R.M. Thomas, S. Yatawatta, S. Zaroubi, V. Jeli\'c, V.N. Pandey

arxiv:1002.4177 v2 · 2010-02-22 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S5ZMF6K7LLRBVEO4OGRABBBAO6}

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	2026-05-18T02:08:58.081416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9772c2f95f5ae21a91dc71a200842077acd60bbae81a406afa8fac52c787b363

Aliases

arxiv: 1002.4177 · arxiv_version: 1002.4177v2 · doi: 10.48550/arxiv.1002.4177 · pith_short_12: S5ZMF6K7LLRB · pith_short_16: S5ZMF6K7LLRBVEO4 · pith_short_8: S5ZMF6K7

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/S5ZMF6K7LLRBVEO4OGRABBBAO6 \
  | 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: 9772c2f95f5ae21a91dc71a200842077acd60bbae81a406afa8fac52c787b363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d7c3988ea67fd36588367f10836cc39c1889c95ed962da354c0e5f900955e6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-22T19:33:36Z",
    "title_canon_sha256": "abe9f17d31bfc4a479f3ab2caee5608719b573217f794f6fad1bf4e9993ccc89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4177",
    "kind": "arxiv",
    "version": 2
  }
}