Pith Number

pith:P7UUYLTX

pith:2000:P7UUYLTXYA5FT3LDIDQ5QIF5AM

not attested not anchored not stored refs pending

Large scale dynamos with ambipolar diffusion nonlinearity

Axel Brandenburg, Kandaswamy Subramanian

arxiv:astro-ph/0007450 v2 · 2000-07-28 · 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{P7UUYLTXYA5FT3LDIDQ5QIF5AM}

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	2026-07-04T14:10:32.349283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe94c2e77c03a59ed6340e1d820bd030f1b02c2b7979d40216d75da70bc8dd3

Aliases

arxiv: astro-ph/0007450 · arxiv_version: astro-ph/0007450v2 · doi: 10.48550/arxiv.astro-ph/0007450 · pith_short_12: P7UUYLTXYA5F · pith_short_16: P7UUYLTXYA5FT3LD · pith_short_8: P7UUYLTX

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/P7UUYLTXYA5FT3LDIDQ5QIF5AM \
  | 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: 7fe94c2e77c03a59ed6340e1d820bd030f1b02c2b7979d40216d75da70bc8dd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0272cc1784ec27993f85cf3f09196e21de32fc212268d1c12c15a4fcae4c02f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-28T22:59:05Z",
    "title_canon_sha256": "3d3b747fece1960a91c14c3a3198efe97740ce2bbc4302f757b44bc6e5120c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007450",
    "kind": "arxiv",
    "version": 2
  }
}