Pith Number

pith:WEPUNHZN

pith:2010:WEPUNHZNZHMYURHIVTNNLGHGYF

not attested not anchored not stored refs pending

Constraints on the topology of the Universe derived from the 7-year WMAP data

A.J. Banday, P. Bielewicz

arxiv:1012.3549 v3 · 2010-12-16 · 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{WEPUNHZNZHMYURHIVTNNLGHGYF}

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.

Cited by

1 paper in Pith

Gravitational waves and cosmic boundary

Receipt and verification

First computed	2026-05-18T00:24:25.548432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b11f469f2dc9d98a44e8acdad598e6c16ab7aec564dbca0d8b038913f97b484d

Aliases

arxiv: 1012.3549 · arxiv_version: 1012.3549v3 · doi: 10.48550/arxiv.1012.3549 · pith_short_12: WEPUNHZNZHMY · pith_short_16: WEPUNHZNZHMYURHI · pith_short_8: WEPUNHZN

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/WEPUNHZNZHMYURHIVTNNLGHGYF \
  | 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: b11f469f2dc9d98a44e8acdad598e6c16ab7aec564dbca0d8b038913f97b484d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f40a97d8f354c86229091f6344b2cd5f9bb1e20e6975f1e0ca2e892ce6b6fc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-16T10:13:56Z",
    "title_canon_sha256": "921a7ef82f26930e13b56ea7c29e80e9272b188abb9f089de34232d40a8360e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3549",
    "kind": "arxiv",
    "version": 3
  }
}