Pith Number

pith:SWYPFYPL

pith:2026:SWYPFYPLKA3N5N6HOREEFVQBEU

not attested not anchored not stored refs pending

Probing Variations in Earth's Ionosphere Using Pulsars

Caisong Liu, Caterina Tiburzi, Christian Vocks, Dominik J. Schwarz, Golam M. Shaifullah, Jiarui Niu, Jiawei Jin, Joris P. W. Verbiest, J\"orn K\"unsem\"oller, Lars K\"unkel, Lingqi Meng, Mao Yuan, Marcus Br\"uggen, Mengyao Xue, Moochickal Ambalappat Krishnakumar, Nataliya Porayko, Ningbo Wang, Qiuyang Fu, Ralf-J\"urgen Dettmar, Weiwei Zhu, Xueli Miao, Yanqing Cai, Youling Yue, Yulan Liu, Zhen Zhang, Ziwei Wu, Ziyao Fang

arxiv:2608.06744 v1 · 2026-08-07 · astro-ph.HE · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWYPFYPLKA3N5N6HOREEFVQBEU}

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	2026-08-10T01:11:54.329454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95b0f2e1eb5036deb7c7744842d601253ce673eee26921eb3fddf2ddf1e7dbd7

Aliases

arxiv: 2608.06744 · arxiv_version: 2608.06744v1 · doi: 10.48550/arxiv.2608.06744 · pith_short_12: SWYPFYPLKA3N · pith_short_16: SWYPFYPLKA3N5N6H · pith_short_8: SWYPFYPL

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/SWYPFYPLKA3N5N6HOREEFVQBEU \
  | 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: 95b0f2e1eb5036deb7c7744842d601253ce673eee26921eb3fddf2ddf1e7dbd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e240edfd776fc72cc241fc6aa5236a01fa7452031f98caa51ea9d9509d37b7a",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-08-07T03:13:42Z",
    "title_canon_sha256": "eb538a34577dd83537a554dc084a5a5e5e9ed1e925328c7d1061d33fc28dec7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06744",
    "kind": "arxiv",
    "version": 1
  }
}