Pith Number

pith:Q4DU4GJP

pith:2009:Q4DU4GJPJWLKG2MMPNZPLD22VO

not attested not anchored not stored refs pending

Saturation of Magnetorotational Instability through Magnetic Field Generation

D. D. Schnack, F. Ebrahimi, S. C. Prager

arxiv:0904.2941 v1 · 2009-04-20 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4DU4GJPJWLKG2MMPNZPLD22VO}

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	2026-05-18T04:29:43.421565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87074e192f4d96a3698c7b72f58f5aab92c39d8eda287c315aa82905c4ca9558

Aliases

arxiv: 0904.2941 · arxiv_version: 0904.2941v1 · doi: 10.48550/arxiv.0904.2941 · pith_short_12: Q4DU4GJPJWLK · pith_short_16: Q4DU4GJPJWLKG2MM · pith_short_8: Q4DU4GJP

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/Q4DU4GJPJWLKG2MMPNZPLD22VO \
  | 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: 87074e192f4d96a3698c7b72f58f5aab92c39d8eda287c315aa82905c4ca9558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec35fe93671d0119955ca1f67962cc31cb5b61a6f2a86a18a9778c50ad832f60",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-20T03:36:34Z",
    "title_canon_sha256": "4b527b9a7b73e732c5bb3399e0a35ecf109cba5fc7bb4578ed40841b594e1373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2941",
    "kind": "arxiv",
    "version": 1
  }
}