Pith Number

pith:TW2WVAO7

pith:2009:TW2WVAO7Y2HM2N6JJFCP6LVWJI

not attested not anchored not stored refs pending

Magnetic field structure due to the global velocity field in spiral galaxies

F. A. Stasyszyn, H. Kotarba, H. Lesch, K. Dolag, P. H. Johansson, T. Naab

arxiv:0905.0351 v1 · 2009-05-04 · 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{TW2WVAO7Y2HM2N6JJFCP6LVWJI}

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	2026-05-18T02:13:47.918651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db56a81dfc68ecd37c94944ff2eb64a0293e7065a38e484b5294a19b5267cf6

Aliases

arxiv: 0905.0351 · arxiv_version: 0905.0351v1 · doi: 10.48550/arxiv.0905.0351 · pith_short_12: TW2WVAO7Y2HM · pith_short_16: TW2WVAO7Y2HM2N6J · pith_short_8: TW2WVAO7

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/TW2WVAO7Y2HM2N6JJFCP6LVWJI \
  | 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: 9db56a81dfc68ecd37c94944ff2eb64a0293e7065a38e484b5294a19b5267cf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf5679a2f34d8bda809ac1d8c0bf264cca493dc22ac573afc949545c2031e49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-04T11:02:30Z",
    "title_canon_sha256": "d352a295153186e9f08e30624ec770b12b1d672a10de36e08edeedb611061f64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0351",
    "kind": "arxiv",
    "version": 1
  }
}