Pith Number

pith:MHVXIFV6

pith:1999:MHVXIFV64GMYW53VJ4CLLDJAD3

not attested not anchored not stored refs pending

Solar Nebula Magnetohydrodynamics

John F. Hawley (University of Virginia), Steven A. Balbus

arxiv:astro-ph/9906317 v1 · 1999-06-18 · 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{MHVXIFV64GMYW53VJ4CLLDJAD3}

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	2026-07-04T16:11:20.244245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61eb7416bee1998b77754f04b58d201eef693dade780ebdd3740b6d05a6c2261

Aliases

arxiv: astro-ph/9906317 · arxiv_version: astro-ph/9906317v1 · doi: 10.48550/arxiv.astro-ph/9906317 · pith_short_12: MHVXIFV64GMY · pith_short_16: MHVXIFV64GMYW53V · pith_short_8: MHVXIFV6

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/MHVXIFV64GMYW53VJ4CLLDJAD3 \
  | 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: 61eb7416bee1998b77754f04b58d201eef693dade780ebdd3740b6d05a6c2261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e7d0a1640163882dc149a4c02cc14105290639b17d2b4b65c7b07238bf1d96a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-18T19:36:40Z",
    "title_canon_sha256": "8a779ab7284afbfa2dbbde25b71dadd34c9538f31309aaa901491a78b9b21ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906317",
    "kind": "arxiv",
    "version": 1
  }
}