Pith. sign in
Pith Number

pith:VWE6D5YF

pith:1997:VWE6D5YFFD66GIULX3KJT6P7KT
not attested not anchored not stored refs pending

Dynamos with different formulations of a dynamic alpha-effect

Andrew Tworkowski, Axel Brandenburg, Eurico Covas, Reza Tavakol

arxiv:astro-ph/9708093 v1 · 1997-08-11 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VWE6D5YFFD66GIULX3KJT6P7KT}

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 2026-07-04T14:15:14.784728Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ad89e1f70528fde3228bbed499f9ff54f8a3d312de480d77ab4fab7a6765440c

Aliases

arxiv: astro-ph/9708093 · arxiv_version: astro-ph/9708093v1 · doi: 10.48550/arxiv.astro-ph/9708093 · pith_short_12: VWE6D5YFFD66 · pith_short_16: VWE6D5YFFD66GIUL · pith_short_8: VWE6D5YF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VWE6D5YFFD66GIULX3KJT6P7KT \
  | 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: ad89e1f70528fde3228bbed499f9ff54f8a3d312de480d77ab4fab7a6765440c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "913fc0b39f46dddfd98a382fa9df328bc84de98227411e18bb62c04fac614f82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-11T11:29:02Z",
    "title_canon_sha256": "6ff56a5fbf57b2f4bda9f04bd1f48dbfde2ef4aa47fbb8ee3bd75fb416c0ec69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708093",
    "kind": "arxiv",
    "version": 1
  }
}