Pith Number

pith:NY37NENP

pith:1999:NY37NENPA5D2DRI3EKOZBZKZ6K

not attested not anchored not stored refs pending

s/alpha/Fe Abundance Ratios in Halo Field Stars: Is there a Globular Cluster Connection?

Astronomy, B.E.J. Pagel (University of Sussex, G. Tautvaisiene (Inst. of Theor. Phys., Lithuania), UK), Vilnius

arxiv:astro-ph/9912314 v1 · 1999-12-15 · 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{NY37NENPA5D2DRI3EKOZBZKZ6K}

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	2026-05-18T01:21:49.749587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e37f691af0747a1c51b229d90e559f2a3722fce16a1d658bde06afce3dc7fb5

Aliases

arxiv: astro-ph/9912314 · arxiv_version: astro-ph/9912314v1 · doi: 10.48550/arxiv.astro-ph/9912314 · pith_short_12: NY37NENPA5D2 · pith_short_16: NY37NENPA5D2DRI3 · pith_short_8: NY37NENP

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/NY37NENPA5D2DRI3EKOZBZKZ6K \
  | 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: 6e37f691af0747a1c51b229d90e559f2a3722fce16a1d658bde06afce3dc7fb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "815ec8ceda396c8d53b7b8e6048417959f189cfc3d5ea602680c4ee36ac917a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-15T15:53:00Z",
    "title_canon_sha256": "5fe6fbf3000c7599bbbdd3da2cfc3dce125f7125e2e696a25d883224d9da411e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912314",
    "kind": "arxiv",
    "version": 1
  }
}