Pith Number

pith:I6II537E

pith:2003:I6II537EIZNDJGATZ7DY54YPPH

not attested not anchored not stored refs pending

Magnesium isotopic abundance ratios in cool stars

David L. Lambert (Univ of Texas), David Yong, Inese I. Ivans (Caltech)

arxiv:astro-ph/0309079 v1 · 2003-09-02 · 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{I6II537EIZNDJGATZ7DY54YPPH}

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	2026-07-04T16:51:34.477466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47908eefe4465a349813cfc78ef30f79e0bb3ddd53720ede0e00242450915df1

Aliases

arxiv: astro-ph/0309079 · arxiv_version: astro-ph/0309079v1 · doi: 10.48550/arxiv.astro-ph/0309079 · pith_short_12: I6II537EIZND · pith_short_16: I6II537EIZNDJGAT · pith_short_8: I6II537E

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/I6II537EIZNDJGATZ7DY54YPPH \
  | 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: 47908eefe4465a349813cfc78ef30f79e0bb3ddd53720ede0e00242450915df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "718fa32ed16e777c35ceb197c2e91258b0b914f2c4d0a0d761e6e495824d8928",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-02T22:06:12Z",
    "title_canon_sha256": "f93469bb0423c12ac4dfdfe92bb0e7d097531928f9bb7941607fdbea7604b0ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309079",
    "kind": "arxiv",
    "version": 1
  }
}