Pith Number

pith:ZILMEJAL

pith:2008:ZILMEJALKYSLIP5DC2CKQODWN6

not attested not anchored not stored refs pending

The study of topology of the universe using multipole vectors

A. Riazuelo, P. Bielewicz

arxiv:0804.2437 v2 · 2008-04-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZILMEJALKYSLIP5DC2CKQODWN6}

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	2026-05-18T02:15:53.611553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca16c2240b5624b43fa31684a838766f8e4d26595aa837adc1e7e9bf0d24a37f

Aliases

arxiv: 0804.2437 · arxiv_version: 0804.2437v2 · doi: 10.48550/arxiv.0804.2437 · pith_short_12: ZILMEJALKYSL · pith_short_16: ZILMEJALKYSLIP5D · pith_short_8: ZILMEJAL

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/ZILMEJALKYSLIP5DC2CKQODWN6 \
  | 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: ca16c2240b5624b43fa31684a838766f8e4d26595aa837adc1e7e9bf0d24a37f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "148c3a06daf0f5318a6e24f4776b35dab5f1e2d0d111659e1e8fd06e8d3e4d0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-15T17:59:57Z",
    "title_canon_sha256": "e8db899cc030a9cd8e7d84585f136b6374e62a805aa8e98465e40d4c5e7f7500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2437",
    "kind": "arxiv",
    "version": 2
  }
}