Pith Number

pith:RWC7CIHC

pith:2013:RWC7CIHC7RJIZWEPRW7Q5KG77Z

not attested not anchored not stored refs pending

Carbon-enhanced metal-poor stars: the most pristine objects?

Bertrand PLEZ (LUPM), E. Caffau (GEPI, Fran\c{c}ois Spite (GEPI), H.-G. Ludwig (GEPI, Monique Spite (GEPI), Norbert Christlieb (ZAH), Piercarlo Bonifacio (GEPI), ZAH)

arxiv:1303.1791 v1 · 2013-03-07 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWC7CIHC7RJIZWEPRW7Q5KG77Z}

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	2026-05-18T01:51:15.604400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d85f120e2fc528cd88f8dbf0ea8dffe7cd1be68afa9eaef21a686c51ff0a080

Aliases

arxiv: 1303.1791 · arxiv_version: 1303.1791v1 · doi: 10.48550/arxiv.1303.1791 · pith_short_12: RWC7CIHC7RJI · pith_short_16: RWC7CIHC7RJIZWEP · pith_short_8: RWC7CIHC

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/RWC7CIHC7RJIZWEPRW7Q5KG77Z \
  | 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: 8d85f120e2fc528cd88f8dbf0ea8dffe7cd1be68afa9eaef21a686c51ff0a080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1075e55375a395eea0d91756811579cd265c0aae538b5fb677a8286ff05da04c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-03-07T19:35:03Z",
    "title_canon_sha256": "b3f5d21c3311d31b6136037068d6b1464d5443ebdd666c7405c988fe58792522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1791",
    "kind": "arxiv",
    "version": 1
  }
}