Pith Number

pith:DFPF2IAM

pith:2003:DFPF2IAM7LQXAZZQ4VXP6VSAYH

not attested not anchored not stored refs pending

Non-local effects in the mean-field disc dynamo. I. An asymptotic expansion

Andrew Soward, Anvar Shukurov, Dmitry Sokoloff, Vladimir Priklonsky

arxiv:astro-ph/0309666 v1 · 2003-09-24 · 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{DFPF2IAM7LQXAZZQ4VXP6VSAYH}

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	2026-05-18T01:40:38.186876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

195e5d200cfae1706730e56eff5640c1f5ce6842b6a580db8ec49399c5885db2

Aliases

arxiv: astro-ph/0309666 · arxiv_version: astro-ph/0309666v1 · doi: 10.48550/arxiv.astro-ph/0309666 · pith_short_12: DFPF2IAM7LQX · pith_short_16: DFPF2IAM7LQXAZZQ · pith_short_8: DFPF2IAM

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/DFPF2IAM7LQXAZZQ4VXP6VSAYH \
  | 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: 195e5d200cfae1706730e56eff5640c1f5ce6842b6a580db8ec49399c5885db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e232504f4390154cb6fc3e2b325f65c1a04da6cdb6ee8379ee9f6e77b2d6e6e4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-24T11:17:47Z",
    "title_canon_sha256": "19d8b365fab16735e36b6c07182d6d317061716036fe135c503c30448b7ede1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309666",
    "kind": "arxiv",
    "version": 1
  }
}