Pith Number

pith:FRUG3C7Q

pith:2022:FRUG3C7QZFG2DAFAQEJU4BR6PG

not attested not anchored not stored refs pending

Improved Constraints on Cosmic Birefringence from the WMAP and Planck Cosmic Microwave Background Polarization Data

Eiichiro Komatsu, Johannes R. Eskilt

arxiv:2205.13962 v2 · 2022-05-27 · 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{FRUG3C7QZFG2DAFAQEJU4BR6PG}

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.

Cited by

7 papers in Pith

Testing F-theory GUTs with the Axiverse

On the potential of pseudo-scalar dark energy

A short review on Quintom dark energy theory

No evidence for parity violation in BOSS

First astrometric constraints on parity-violation in the gravitational wave background

Receipt and verification

First computed	2026-07-05T04:59:24.329688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c686d8bf0c94da180a081134e063e7983e03a942111072a16d9e8106b6db963

Aliases

arxiv: 2205.13962 · arxiv_version: 2205.13962v2 · doi: 10.48550/arxiv.2205.13962 · pith_short_12: FRUG3C7QZFG2 · pith_short_16: FRUG3C7QZFG2DAFA · pith_short_8: FRUG3C7Q

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/FRUG3C7QZFG2DAFAQEJU4BR6PG \
  | 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: 2c686d8bf0c94da180a081134e063e7983e03a942111072a16d9e8106b6db963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4729e194f8d47cff70b54b911ffa4a2dd71748790faa3b8df9997f7104366c2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-05-27T13:15:16Z",
    "title_canon_sha256": "5d31cdfa71b1d6cb5304935201ada66d0ddb21d27f4715115802ff537e13bd48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.13962",
    "kind": "arxiv",
    "version": 2
  }
}