Pith Number

pith:ZWMVEPUI

pith:2013:ZWMVEPUIEFHVMHZYMAZMH3PFYJ

not attested not anchored not stored refs pending

A search for cosmic topology in the final WMAP data

Ralf Aurich, Sven Lustig

arxiv:1303.4226 v2 · 2013-03-18 · 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{ZWMVEPUIEFHVMHZYMAZMH3PFYJ}

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	2026-05-18T03:09:48.867580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd99523e88214f561f386032c3ede5c27a180bfc9cfa0b6abbf7ad8e4f1262a7

Aliases

arxiv: 1303.4226 · arxiv_version: 1303.4226v2 · doi: 10.48550/arxiv.1303.4226 · pith_short_12: ZWMVEPUIEFHV · pith_short_16: ZWMVEPUIEFHVMHZY · pith_short_8: ZWMVEPUI

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/ZWMVEPUIEFHVMHZYMAZMH3PFYJ \
  | 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: cd99523e88214f561f386032c3ede5c27a180bfc9cfa0b6abbf7ad8e4f1262a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c88cb9a5086350ecb28a7ba2c4682586f9f5896895638222773dff3ce22e17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-18T12:23:58Z",
    "title_canon_sha256": "6e8f0e0a440951ea2bdc7b967fdd8249c6a6a367da6f5508446084f31696bfa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4226",
    "kind": "arxiv",
    "version": 2
  }
}