Pith Number

pith:PJWSWAPD

pith:2012:PJWSWAPDNAT2T3NUAZTVE6YJBG

not attested not anchored not stored refs pending

First stars XVI. STIS/HST abundances of heavy-elements in the uranium-rich star CS 31082-001

B. Barbuy, B. Nordstr\"om, B. Plez, C. Siqueira Mello, C. Sneden, E. Caffau, F. Primas, F. Spite, J. Andersen, M. Spite, P. Bonifacio, P. Fran\c{c}ois, P. Molaro, R. Cayrel, S. Wanajo, T. C. Beers, V. Hill

arxiv:1212.0211 v1 · 2012-12-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJWSWAPDNAT2T3NUAZTVE6YJBG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:52:52.564843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a6d2b01e36827a9edb40667527b0909896ce1cd7ba9597fbc129a68e47dc502

Aliases

arxiv: 1212.0211 · arxiv_version: 1212.0211v1 · doi: 10.48550/arxiv.1212.0211 · pith_short_12: PJWSWAPDNAT2 · pith_short_16: PJWSWAPDNAT2T3NU · pith_short_8: PJWSWAPD

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/PJWSWAPDNAT2T3NUAZTVE6YJBG \
  | 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: 7a6d2b01e36827a9edb40667527b0909896ce1cd7ba9597fbc129a68e47dc502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4524a3668e6137ea503b71f253f095d75162fd334394b63848ff15608caa930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-12-02T14:44:06Z",
    "title_canon_sha256": "2647315a3f94f2a70ff84348fc316372b475c3cfd8b66d0c7fe6911281441e81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0211",
    "kind": "arxiv",
    "version": 1
  }
}