Pith Number

pith:Y57P6CUQ

pith:2022:Y57P6CUQTRMDYZYREEXOEN6HLS

not attested not anchored not stored refs pending

Measuring the cosmological density field twice: A novel test of dark energy using the CMB quadrupole

Guo-Chin Liu, Kento Sumiya, Kiyotomo Ichiki

arxiv:2202.11332 v1 · 2022-02-23 · 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{Y57P6CUQTRMDYZYREEXOEN6HLS}

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	2026-07-05T04:07:31.635052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c77eff0a909c583c6711212ee237c75cb132f0d0e64e657af76560a07f0e54dd

Aliases

arxiv: 2202.11332 · arxiv_version: 2202.11332v1 · doi: 10.48550/arxiv.2202.11332 · pith_short_12: Y57P6CUQTRMD · pith_short_16: Y57P6CUQTRMDYZYR · pith_short_8: Y57P6CUQ

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/Y57P6CUQTRMDYZYREEXOEN6HLS \
  | 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: c77eff0a909c583c6711212ee237c75cb132f0d0e64e657af76560a07f0e54dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781a477418ba687c86c43aaafd7377cb7c337256e86dc15f7c0cf5fc083bbff1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-02-23T07:27:25Z",
    "title_canon_sha256": "475d63e98c58b3549a0202b9c1ceb4903ffcf0c770eae763791de1ae226a78bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.11332",
    "kind": "arxiv",
    "version": 1
  }
}