Pith Number

pith:MG5UT2M5

pith:2001:MG5UT2M5MKG7VTHPOJJZ7WBN75

not attested not anchored not stored refs pending

Studies of Magnetic and Suspected-Magnetic Southern White Dwarfs

D.T. Wickramasinghe, G.D. Schmidt, L. Ferrario, S. Vennes

arxiv:astro-ph/0107508 v1 · 2001-07-26 · 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{MG5UT2M5MKG7VTHPOJJZ7WBN75}

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	2026-07-04T16:23:46.289439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61bb49e99d628dfaccef72539fd82dff532ad331561dd18e52cfd6f3efc2f2a5

Aliases

arxiv: astro-ph/0107508 · arxiv_version: astro-ph/0107508v1 · doi: 10.48550/arxiv.astro-ph/0107508 · pith_short_12: MG5UT2M5MKG7 · pith_short_16: MG5UT2M5MKG7VTHP · pith_short_8: MG5UT2M5

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/MG5UT2M5MKG7VTHPOJJZ7WBN75 \
  | 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: 61bb49e99d628dfaccef72539fd82dff532ad331561dd18e52cfd6f3efc2f2a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0536e3f70e6089e80ce3f4d34d6986c86be7221e621cdd044be5d566cf151294",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-26T16:08:23Z",
    "title_canon_sha256": "c8c53ee359646abed0c5a47773833d7fc9953e7aedfadb64566c64cd077bddb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107508",
    "kind": "arxiv",
    "version": 1
  }
}