Pith Number

pith:CQB2U55R

pith:2006:CQB2U55RFNH4D6DHTRWGQG243U

not attested not anchored not stored refs pending

Abundances of Baade's Window Giants from Keck/HIRES Spectra: II. The Alpha- and Light Odd Elements

Andrew McWilliam, Jon. P. Fulbright, R. Michael Rich

arxiv:astro-ph/0609087 v1 · 2006-09-04 · 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{CQB2U55RFNH4D6DHTRWGQG243U}

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	2026-05-18T04:28:57.905533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1403aa77b12b4fc1f8679c6c681b5cdd3f5548ffa5f41462f53efb8aa0104960

Aliases

arxiv: astro-ph/0609087 · arxiv_version: astro-ph/0609087v1 · doi: 10.48550/arxiv.astro-ph/0609087 · pith_short_12: CQB2U55RFNH4 · pith_short_16: CQB2U55RFNH4D6DH · pith_short_8: CQB2U55R

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/CQB2U55RFNH4D6DHTRWGQG243U \
  | 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: 1403aa77b12b4fc1f8679c6c681b5cdd3f5548ffa5f41462f53efb8aa0104960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a1971bdc3f25860cdbeac53c2ff145e0e3879b2ab6518d5fc785ca5004cda8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-04T19:12:51Z",
    "title_canon_sha256": "1cb99c3ef3285fb76977e2050ec6c1cf6b041de3de0d77f6a3cf7c54351c8f97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609087",
    "kind": "arxiv",
    "version": 1
  }
}