Pith Number

pith:6O7RS5WC

pith:2011:6O7RS5WC4OFHWVNFGCIT5IERUL

not attested not anchored not stored refs pending

Cosmology without cosmic variance

Gary M. Bernstein, Yan-Chuan Cai

arxiv:1104.3862 v2 · 2011-04-19 · 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{6O7RS5WC4OFHWVNFGCIT5IERUL}

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	2026-05-18T02:02:22.493602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3bf1976c2e38a7b55a530913ea091a2d2d9c0e13ace365e50b71d06b2453237

Aliases

arxiv: 1104.3862 · arxiv_version: 1104.3862v2 · doi: 10.48550/arxiv.1104.3862 · pith_short_12: 6O7RS5WC4OFH · pith_short_16: 6O7RS5WC4OFHWVNF · pith_short_8: 6O7RS5WC

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/6O7RS5WC4OFHWVNFGCIT5IERUL \
  | 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: f3bf1976c2e38a7b55a530913ea091a2d2d9c0e13ace365e50b71d06b2453237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891c486d82bb6a6f9df969b0c0aabc619be9a3ba5c8e1ec293961e1778ffcb44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-19T20:00:03Z",
    "title_canon_sha256": "8915356a99da7cc9e0e613649f1eab21fb31dfca1d8ddf2bb0ec3fa52b913df7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3862",
    "kind": "arxiv",
    "version": 2
  }
}