Pith Number

pith:4D3NNPWU

pith:2012:4D3NNPWUZZ4VQT7BQJ2G5QH5FN

not attested not anchored not stored refs pending

The Scale of Cosmic Isotropy

A. Buzzi (CPT, Aix-Marseille University), C. Marinoni, J. Bel

arxiv:1205.3309 v2 · 2012-05-15 · 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{4D3NNPWUZZ4VQT7BQJ2G5QH5FN}

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	2026-05-18T01:57:32.078434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f6d6bed4ce79584fe182746ec0fd2b42201dac2052140f39dcbcecdb318f43

Aliases

arxiv: 1205.3309 · arxiv_version: 1205.3309v2 · doi: 10.48550/arxiv.1205.3309 · pith_short_12: 4D3NNPWUZZ4V · pith_short_16: 4D3NNPWUZZ4VQT7B · pith_short_8: 4D3NNPWU

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/4D3NNPWUZZ4VQT7BQJ2G5QH5FN \
  | 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: e0f6d6bed4ce79584fe182746ec0fd2b42201dac2052140f39dcbcecdb318f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089562a3b4944ba9bfc56a931ab6eeade3ae2dd7ab7166b1107313fd05045fdb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-15T10:01:39Z",
    "title_canon_sha256": "0e0c6fb54573d89661769e8d53daae75eff8b5991a5c34b62772f41716b6a9ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3309",
    "kind": "arxiv",
    "version": 2
  }
}