Pith Number

pith:AUG3HWJR

pith:2025:AUG3HWJREVXGOCSHBFQEQWNVPG

not attested not anchored not stored refs pending

Vacuum birefringence and the polarized X-ray emission from a radio magnetar

Alex Van Kooten, Alice K. Harding, Chin-Ping Hu, Fernando Camilo, George Younes, Hoa Dinh Thi, Joel B. Coley, Marcus E. Lower, Matthew G. Baring, Michela Negro, Paul Scholz, Philip Kaaret, Rachael E. Stewart, Teruaki Enoto, Wynn C. G. Ho, Zorawar Wadiasingh

arxiv:2509.19446 v3 · 2025-09-23 · astro-ph.HE · hep-ex · quant-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{AUG3HWJREVXGOCSHBFQEQWNVPG}

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

4 papers in Pith

Scalar Charges in a Self-Dual Background

Finite-Field QED Corrections to Vacuum Birefringence and Magnetar Polarization Transport

Nonlinear electrodynamics in magnetars: systematic effects on radius constraints and timing analysis

The long quest for vacuum birefringence in magnetars: 1E 1547.0-5408 and the elusive smoking gun

Receipt and verification

First computed	2026-07-16T00:21:42.277374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

050db3d931256e670a4709604859b579a745ea9e771ff6a070e7a1ab7477b345

Aliases

arxiv: 2509.19446 · arxiv_version: 2509.19446v3 · doi: 10.48550/arxiv.2509.19446 · pith_short_12: AUG3HWJREVXG · pith_short_16: AUG3HWJREVXGOCSH · pith_short_8: AUG3HWJR

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/AUG3HWJREVXGOCSHBFQEQWNVPG \
  | 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: 050db3d931256e670a4709604859b579a745ea9e771ff6a070e7a1ab7477b345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8debc03188526753da25539476841bb10a0474e6e9f5427195cac6e79162fd0",
    "cross_cats_sorted": [
      "hep-ex",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-09-23T18:01:21Z",
    "title_canon_sha256": "2762f38ce8c15b74deb26a8339b66a0d27c9a7b6da88cb32a271b89de46aad42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.19446",
    "kind": "arxiv",
    "version": 3
  }
}