Pith Number

pith:UGCJBWEV

pith:2011:UGCJBWEV4ZYYHFSL4Y42WZWK7I

not attested not anchored not stored refs pending

Testing the WMAP cosmology via Planck radio catalogues

J.R. Whitbourn, T. Shanks, U. Sawangwit

arxiv:1107.2654 v3 · 2011-07-13 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGCJBWEV4ZYYHFSL4Y42WZWK7I}

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	2026-05-18T00:48:48.084546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18490d895e67183964be639ab66cafa296e4eac4267e3836376f5c5bc0bec95

Aliases

arxiv: 1107.2654 · arxiv_version: 1107.2654v3 · doi: 10.48550/arxiv.1107.2654 · pith_short_12: UGCJBWEV4ZYY · pith_short_16: UGCJBWEV4ZYYHFSL · pith_short_8: UGCJBWEV

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/UGCJBWEV4ZYYHFSL4Y42WZWK7I \
  | 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: a18490d895e67183964be639ab66cafa296e4eac4267e3836376f5c5bc0bec95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb3bd0ac7aa09d32cdb6440e4687d785c14a10ccb5d9fb08e99c80ee03948c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-13T20:00:21Z",
    "title_canon_sha256": "e5cc3e5f3065533f55e6df9c3452e50b1114334b7e40080421bc24762d091f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2654",
    "kind": "arxiv",
    "version": 3
  }
}