Pith Number

pith:OGJ62EFP

pith:2009:OGJ62EFPGWFKPF7JYNC75LHCGN

not attested not anchored not stored refs pending

Frequency spectrum of toroidal Alfv\'en mode in a neutron star with Ferraro's form of nonhomogeneous poloidal magnetic field

E. H. Wu, G.-T. Chen, H.-K. Chang, I. V. Molodtsova, S.-H. Lan, S. I. Bastrukov

arxiv:0902.0840 v7 · 2009-02-05 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGJ62EFPGWFKPF7JYNC75LHCGN}

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	2026-05-18T02:14:49.223605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7193ed10af358aa797e9c345feace2334e10d486b9d27b0a6e5a11af6268f030

Aliases

arxiv: 0902.0840 · arxiv_version: 0902.0840v7 · doi: 10.48550/arxiv.0902.0840 · pith_short_12: OGJ62EFPGWFK · pith_short_16: OGJ62EFPGWFKPF7J · pith_short_8: OGJ62EFP

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/OGJ62EFPGWFKPF7JYNC75LHCGN \
  | 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: 7193ed10af358aa797e9c345feace2334e10d486b9d27b0a6e5a11af6268f030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd65fa021bbda349e2b7316cb748cfc7a96748925560ef20d8fbb7d25964ef9d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-05T15:05:51Z",
    "title_canon_sha256": "df4cca9081998c2ee443214f5d8e3aa3f7391166bce08bf8e4e2bb3f3c4c2db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0840",
    "kind": "arxiv",
    "version": 7
  }
}