Pith Number

pith:UDFONSD5

pith:1999:UDFONSD5HNFP2AMH73GYY4ZZCU

not attested not anchored not stored refs pending

Resolution of an ambiguity in dynamo theory and its consequences for back reaction studies

Eric G. Blackman (Caltech), George B. Field (Harvard-Smithsonian Center for Astrophysics)

arxiv:astro-ph/9901098 v1 · 1999-01-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDFONSD5HNFP2AMH73GYY4ZZCU}

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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.

Cited by

2 papers in Pith

Wave interference as the origin of the cyclic magnetorotational dynamo in accretion disks: insights from weakly nonlinear theory and local shearing box simulations

Receipt and verification

First computed	2026-07-04T16:10:36.143059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0cae6c87d3b4afd0187fecd8c73391526788c8d0ec8ef64e5c7392c7658e731

Aliases

arxiv: astro-ph/9901098 · arxiv_version: astro-ph/9901098v1 · doi: 10.48550/arxiv.astro-ph/9901098 · pith_short_12: UDFONSD5HNFP · pith_short_16: UDFONSD5HNFP2AMH · pith_short_8: UDFONSD5

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/UDFONSD5HNFP2AMH73GYY4ZZCU \
  | 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: a0cae6c87d3b4afd0187fecd8c73391526788c8d0ec8ef64e5c7392c7658e731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc66d621b4d1c2b273d8de6fa12f3adc46042b977e2aade9f7b245383b3425d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-09T00:06:09Z",
    "title_canon_sha256": "463c96bfd249cee51e4ba9db0cc46d97d0722957dfb7535e4824f667b4a580d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901098",
    "kind": "arxiv",
    "version": 1
  }
}