Pith Number

pith:SPVMEV5D

pith:2005:SPVMEV5DKWW6QM2ND4HMLEHOYG

not attested not anchored not stored refs pending

A fossil origin for the magnetic fields of A-stars and white dwarfs

H.C. Spruit, J. Braithwaite

arxiv:astro-ph/0502043 v1 · 2005-02-02 · 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{SPVMEV5DKWW6QM2ND4HMLEHOYG}

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.

Cited by

2 papers in Pith

Non-linear Dynamical Stability of Magnetic Polytropes

GMRT Survey of Radio Emission from Magnetic Massive Stars -- I: Emission from Single Stars at sub-GHz Frequencies

Receipt and verification

First computed	2026-07-04T16:50:45.410151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93eac257a355ade8334d1f0ec590eec18544752143d50e9c6b21476777521031

Aliases

arxiv: astro-ph/0502043 · arxiv_version: astro-ph/0502043v1 · doi: 10.48550/arxiv.astro-ph/0502043 · pith_short_12: SPVMEV5DKWW6 · pith_short_16: SPVMEV5DKWW6QM2N · pith_short_8: SPVMEV5D

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/SPVMEV5DKWW6QM2ND4HMLEHOYG \
  | 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: 93eac257a355ade8334d1f0ec590eec18544752143d50e9c6b21476777521031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53efb10b0992e40aac2bd039e5b9e5f88e23c5c7b8b92f187bca27329595f897",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-02T16:13:33Z",
    "title_canon_sha256": "ff387a1341a3c1eb6cdb9e24cb3b9ff3753f17ee58613b025735bbfc02e39828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502043",
    "kind": "arxiv",
    "version": 1
  }
}