Pith Number

pith:MGPROZ76

pith:2001:MGPROZ76YEY676IAYRDCTJNZFW

not attested not anchored not stored refs pending

Stability of accretion discs threaded by a strong magnetic field

H.C. Spruit, R. Stehle

arxiv:astro-ph/0103409 v1 · 2001-03-25 · 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{MGPROZ76YEY676IAYRDCTJNZFW}

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	2026-05-18T01:40:44.756253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

619f1767fec131eff900c44629a5b92d9b9fc292bb4eea5693f61b76f79468c8

Aliases

arxiv: astro-ph/0103409 · arxiv_version: astro-ph/0103409v1 · doi: 10.48550/arxiv.astro-ph/0103409 · pith_short_12: MGPROZ76YEY6 · pith_short_16: MGPROZ76YEY676IA · pith_short_8: MGPROZ76

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/MGPROZ76YEY676IAYRDCTJNZFW \
  | 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: 619f1767fec131eff900c44629a5b92d9b9fc292bb4eea5693f61b76f79468c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea9c431fcbe0538350c143de7e3f3ed4256600ece2e39d92d49cb9c10733012",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-25T16:09:42Z",
    "title_canon_sha256": "e6ed1b41dcc3484b43b397f9b48b48b3092b844bbe4502e95e275568f8a6dcce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103409",
    "kind": "arxiv",
    "version": 1
  }
}