Pith Number

pith:USKECEGP

pith:2001:USKECEGPTBFU3XNOQSS5Z5ZLBX

not attested not anchored not stored refs pending

On the Wilson-Bappu relationship in the Mg II k line

A. Altamore, A. Cassatella, D. Cardini, M. Badiali

arxiv:astro-ph/0106070 v1 · 2001-06-05 · 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{USKECEGPTBFU3XNOQSS5Z5ZLBX}

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	2026-05-18T04:21:42.345788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4944110cf984b4dddae84a5dcf72b0dcd36f4499a7972108117b5d903e26a9c

Aliases

arxiv: astro-ph/0106070 · arxiv_version: astro-ph/0106070v1 · doi: 10.48550/arxiv.astro-ph/0106070 · pith_short_12: USKECEGPTBFU · pith_short_16: USKECEGPTBFU3XNO · pith_short_8: USKECEGP

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/USKECEGPTBFU3XNOQSS5Z5ZLBX \
  | 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: a4944110cf984b4dddae84a5dcf72b0dcd36f4499a7972108117b5d903e26a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdde938753b4b690fa3a0504a6476654361ca1d6259b3706902a466c08e36ea9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-05T15:08:06Z",
    "title_canon_sha256": "848d36215f7b101d11fca1e2c6ff9fd21334a141a961f810d70be3c433457136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106070",
    "kind": "arxiv",
    "version": 1
  }
}