Pith Number

pith:NIBHHKND

pith:1999:NIBHHKNDQDUN5H46XMF5EU5RTT

not attested not anchored not stored refs pending

Mass-Radius Relation for Magnetic White Dwarfs

G. J. Mathews (Univ. of Notre Dame), In-Saeng Suh

arxiv:astro-ph/9906239 v2 · 1999-06-14 · 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{NIBHHKNDQDUN5H46XMF5EU5RTT}

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

1 paper in Pith

Landau levels in a gravitational field: The Schwarzschild spacetime case

Receipt and verification

First computed	2026-07-04T16:11:19.107480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a0273a9a380e8de9f9ebb0bd253b19ce8ab2fee7871109eabe4be2faa33059f

Aliases

arxiv: astro-ph/9906239 · arxiv_version: astro-ph/9906239v2 · doi: 10.48550/arxiv.astro-ph/9906239 · pith_short_12: NIBHHKNDQDUN · pith_short_16: NIBHHKNDQDUN5H46 · pith_short_8: NIBHHKND

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/NIBHHKNDQDUN5H46XMF5EU5RTT \
  | 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: 6a0273a9a380e8de9f9ebb0bd253b19ce8ab2fee7871109eabe4be2faa33059f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "102838fee309c972597168971069ef4b6f06f8027ce997f844294ed6b109f180",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-14T20:00:18Z",
    "title_canon_sha256": "ff49cdece82314fe28937c835b34c225fa21d143e0bfcbb92d3c73b744bd7104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906239",
    "kind": "arxiv",
    "version": 2
  }
}