Pith Number

pith:MVMNVBWN

pith:2003:MVMNVBWNZMY2AHFBZQJU3A6E7O

not attested not anchored not stored refs pending

The Wilson--Bappu Effect: a tool to determine stellar distances

Giancarlo Pace, Luca Pasquini, Sergio Ortolani

arxiv:astro-ph/0301637 v2 · 2003-01-31 · 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{MVMNVBWNZMY2AHFBZQJU3A6E7O}

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	2026-05-18T04:21:42.012701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6558da86cdcb31a01ca1cc134d83c4fba8e53ca41cfd69b02319643e179acfe1

Aliases

arxiv: astro-ph/0301637 · arxiv_version: astro-ph/0301637v2 · doi: 10.48550/arxiv.astro-ph/0301637 · pith_short_12: MVMNVBWNZMY2 · pith_short_16: MVMNVBWNZMY2AHFB · pith_short_8: MVMNVBWN

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/MVMNVBWNZMY2AHFBZQJU3A6E7O \
  | 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: 6558da86cdcb31a01ca1cc134d83c4fba8e53ca41cfd69b02319643e179acfe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be92111332c891644b35eb386d7ee6fde95500396eb5d5fc0d093bb61e9c059",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-31T10:33:55Z",
    "title_canon_sha256": "724aa0cf679c509680bdaa82e5fa6e4221988f356b2872210feac7ab06119df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301637",
    "kind": "arxiv",
    "version": 2
  }
}