Pith Number

pith:4HIJWFJV

pith:2012:4HIJWFJVFRJPUX6LRLVJK3WWC7

not attested not anchored not stored refs pending

Chemical abundances of distant extremely metal-poor unevolved stars

1, 1), (2) Zentrum f\"ur Astronomie der Universit\"at Heidelberg, 3), (3) Max-Planck Institut f\"ur Astrophysik, (4) Instituto de Astrof{\i}sica de Canarias, 5), (5) Depto. Astrof{\i}sica, (6) Institut d'Astronomie et d'Astrophysique, CNRS, E. Caffau (2, H.-G. Ludwig (2, J. I. Gonz\'alez Hern\'andez (4, Landessternwarte, L. Sbordone (2, M. Spite (1), N. T. Behara (6) ((1) GEPI, Observatoire de Paris, P. Bonifacio (1), Universidad de La Laguna, Universit\'e Libre de Bruxelles), Univ. Paris Diderot

arxiv:1204.1641 v1 · 2012-04-07 · 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{4HIJWFJVFRJPUX6LRLVJK3WWC7}

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.

Cited by

1 paper in Pith

Gaia-Sausage-Enceladus: Lithium evolution from early red-giant-branch and main-sequence stars

Receipt and verification

First computed	2026-05-18T01:57:55.965933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d09b15352c52fa5fcb8aea956ed617d261b8235d53089d01dbc280a2c12230

Aliases

arxiv: 1204.1641 · arxiv_version: 1204.1641v1 · doi: 10.48550/arxiv.1204.1641 · pith_short_12: 4HIJWFJVFRJP · pith_short_16: 4HIJWFJVFRJPUX6L · pith_short_8: 4HIJWFJV

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/4HIJWFJVFRJPUX6LRLVJK3WWC7 \
  | 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: e1d09b15352c52fa5fcb8aea956ed617d261b8235d53089d01dbc280a2c12230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff4d5861ad485b92a8834c448765da83d2675a585d40aeaa3f2920218647df96",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-07T14:16:45Z",
    "title_canon_sha256": "1428e56b9ae11befab86c43495a87d8b0767b38dcea28fbf4decbea266de7dbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1641",
    "kind": "arxiv",
    "version": 1
  }
}