Pith Number

pith:UM7WA5S2

pith:2001:UM7WA5S2OHDR5JNR67PYD5EDUF

not attested not anchored not stored refs pending

Dynamos in Asymptotic-Giant-Branch Stars As the Origin of Magnetic Fields Shaping Planetary Nebulale

(2) Univ. of Washington), Adam Frank (1), Eric G. Blackman (1), Hugh M. Van Horn (1) ((1) Univ. of Rochester, J. Andrew Markiel (2) John H. Thomas (1)

arxiv:astro-ph/0101492 v1 · 2001-01-27 · 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{UM7WA5S2OHDR5JNR67PYD5EDUF}

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	2026-05-18T01:40:44.933017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a33f60765a71c71ea5b1f7df81f483a149c9fb95f29c75186a8188777a3bc37c

Aliases

arxiv: astro-ph/0101492 · arxiv_version: astro-ph/0101492v1 · doi: 10.48550/arxiv.astro-ph/0101492 · pith_short_12: UM7WA5S2OHDR · pith_short_16: UM7WA5S2OHDR5JNR · pith_short_8: UM7WA5S2

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/UM7WA5S2OHDR5JNR67PYD5EDUF \
  | 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: a33f60765a71c71ea5b1f7df81f483a149c9fb95f29c75186a8188777a3bc37c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "effafe3f7160fca33c50f981485647fe3cd44094b42e95f18f58038796a726bb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-27T06:46:40Z",
    "title_canon_sha256": "73ca10cb96b9111c98c2ed7af4f08bd1200fd432058af55e2be4149f1cdeb99b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101492",
    "kind": "arxiv",
    "version": 1
  }
}