Pith Number

pith:M7N734GK

pith:2025:M7N734GKSJ6YNROTSS42U5CBYX

not attested not anchored not stored refs pending

Universal profile for cosmic birefringence tomography with radio galaxies

Fumihiro Naokawa

arxiv:2504.06709 v1 · 2025-04-09 · astro-ph.CO · astro-ph.GA · astro-ph.HE · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7N734GKSJ6YNROTSS42U5CBYX}

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

3 papers in Pith

An SKA-Low RM Grid for constraining the origin of cosmic magnetism

VLBI Astrometry of Magnetars

How to augment cosmic shear measurements with radio polarimetry of galaxies?

Receipt and verification

First computed	2026-07-05T10:46:44.409951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67dbfdf0ca927d86c5d394b9aa7441c5dceb31fe3b0bb37d73a83b55836d65d6

Aliases

arxiv: 2504.06709 · arxiv_version: 2504.06709v1 · doi: 10.48550/arxiv.2504.06709 · pith_short_12: M7N734GKSJ6Y · pith_short_16: M7N734GKSJ6YNROT · pith_short_8: M7N734GK

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/M7N734GKSJ6YNROTSS42U5CBYX \
  | 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: 67dbfdf0ca927d86c5d394b9aa7441c5dceb31fe3b0bb37d73a83b55836d65d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa560ead2b528b63614dcb6db7737905b36d55f8993dd12742443dcb92a3dc59",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-09T09:09:58Z",
    "title_canon_sha256": "d400a3f31ccc4c6e18199308144cd90887d621f4c23dfc4511e1bfbff8fc5976"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06709",
    "kind": "arxiv",
    "version": 1
  }
}