Pith Number

pith:LRTOTU2W

pith:2003:LRTOTU2WDRNKEFD3ZS6BWZ3DF4

not attested not anchored not stored refs pending

Mg isotopic ratios in giant stars of the globular cluster NGC 6752

(2) Univ. of Aarhus, (3) McDonald Observatory, David L. Lambert (1), David Yong (1), Frank Grundahl (2), Matthew Shetrone (3)((1) Univ. of Texas at Austin, Poul Erik Nissen (2), Univ. of Texas)

arxiv:astro-ph/0303057 v1 · 2003-03-03 · 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{LRTOTU2WDRNKEFD3ZS6BWZ3DF4}

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	2026-07-04T16:36:35.047649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c66e9d3561c5aa2147bccbc1b67632f361508c5cb21ba5931fc189fa3173060

Aliases

arxiv: astro-ph/0303057 · arxiv_version: astro-ph/0303057v1 · doi: 10.48550/arxiv.astro-ph/0303057 · pith_short_12: LRTOTU2WDRNK · pith_short_16: LRTOTU2WDRNKEFD3 · pith_short_8: LRTOTU2W

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/LRTOTU2WDRNKEFD3ZS6BWZ3DF4 \
  | 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: 5c66e9d3561c5aa2147bccbc1b67632f361508c5cb21ba5931fc189fa3173060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8608b26175c3a02851efc4c60480cd7dc07158a1723d1ca74218c7ecbc2706ae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-03T22:30:17Z",
    "title_canon_sha256": "ce39dc1b4e72d8c52c54deb3f4bdf101a1dd5eaa011cab5055a99b5b03519844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303057",
    "kind": "arxiv",
    "version": 1
  }
}