Pith Number

pith:5JMPFXWG

pith:2005:5JMPFXWG7SUIWUM7GALSMPE5RI

not attested not anchored not stored refs pending

The Frequency of Carbon Rich Stars Among Extremely Metal Poor Stars

Andrew McWilliam, Franz-Josef Zickgraf, Ian Thompson, Jorge Melendez, Judith G. Cohen, Norbert Christlieb, Solange Ram\'irez & Amber Swenson, Stephen Shectman

arxiv:astro-ph/0506745 v1 · 2005-06-30 · 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{5JMPFXWG7SUIWUM7GALSMPE5RI}

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	2026-05-18T01:08:59.027654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea58f2dec6fca88b519f3017263c9d8a3b2a9af2eebc90144a6b6270d6d8645c

Aliases

arxiv: astro-ph/0506745 · arxiv_version: astro-ph/0506745v1 · doi: 10.48550/arxiv.astro-ph/0506745 · pith_short_12: 5JMPFXWG7SUI · pith_short_16: 5JMPFXWG7SUIWUM7 · pith_short_8: 5JMPFXWG

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/5JMPFXWG7SUIWUM7GALSMPE5RI \
  | 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: ea58f2dec6fca88b519f3017263c9d8a3b2a9af2eebc90144a6b6270d6d8645c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d2d1d58551141c62780c90a6d9573545b10b825f652d6c682f7ee5dbb3716e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-30T13:44:21Z",
    "title_canon_sha256": "0d5f549f519c2ff872f700552a120267ca5c67cc0d147aea2817634a26f409ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506745",
    "kind": "arxiv",
    "version": 1
  }
}