Pith Number

pith:5P7MCNCW

pith:2009:5P7MCNCWYSHUPGVTTDTKSCIJ57

not attested not anchored not stored refs pending

The Saturation Limit of the Magnetorotational Instability

Ethan T. Vishniac

arxiv:0902.0942 v1 · 2009-02-05 · 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{5P7MCNCWYSHUPGVTTDTKSCIJ57}

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	2026-05-18T04:29:16.822025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebfec13456c48f479ab398e6a90909efd228343f2dc02a5df6008bdd02318171

Aliases

arxiv: 0902.0942 · arxiv_version: 0902.0942v1 · doi: 10.48550/arxiv.0902.0942 · pith_short_12: 5P7MCNCWYSHU · pith_short_16: 5P7MCNCWYSHUPGVT · pith_short_8: 5P7MCNCW

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/5P7MCNCWYSHUPGVTTDTKSCIJ57 \
  | 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: ebfec13456c48f479ab398e6a90909efd228343f2dc02a5df6008bdd02318171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaadd10223ed6c0e0f3e8393e1622cc6124c03dfeed80842436bee22bd882f0f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-02-05T17:03:36Z",
    "title_canon_sha256": "25c1ab5b01ce61e04a24f2587a78356d1b255fa886481fc426d8bb30fe7dd8a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0942",
    "kind": "arxiv",
    "version": 1
  }
}