Pith Number

pith:QHXKHJL4

pith:2024:QHXKHJL4EB77XKDKPAUCD3QB7A

not attested not anchored not stored refs pending

Planck constraints on Cosmic Birefringence and its cross-correlation with the CMB

A. Gruppuso, G. Fabbian, G. Zagatti, L. Pagano, M. Bortolami, P. Natoli

arxiv:2401.11973 v1 · 2024-01-22 · 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{QHXKHJL4EB77XKDKPAUCD3QB7A}

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

1 paper in Pith

Ultralight fuzzy dark matter review

Receipt and verification

First computed	2026-07-05T07:36:13.176084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81eea3a57c207ffba86a782821ee01f82e5506655be1feb4460f20dc5163434e

Aliases

arxiv: 2401.11973 · arxiv_version: 2401.11973v1 · doi: 10.48550/arxiv.2401.11973 · pith_short_12: QHXKHJL4EB77 · pith_short_16: QHXKHJL4EB77XKDK · pith_short_8: QHXKHJL4

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/QHXKHJL4EB77XKDKPAUCD3QB7A \
  | 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: 81eea3a57c207ffba86a782821ee01f82e5506655be1feb4460f20dc5163434e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3064939f6d0bceb8165c07c0eb0a067b12808efbacf4740f976990fbb33920",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-01-22T14:24:16Z",
    "title_canon_sha256": "4620e6b7f77412b231326b91a752992d1aa7e3891944a7a2e2ca6e2a0a737e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.11973",
    "kind": "arxiv",
    "version": 1
  }
}