Pith Number

pith:36RQIVZY

pith:2012:36RQIVZYZNOVKRVG6QEQS5AITM

not attested not anchored not stored refs pending

Detailed abundances in extremely metal poor dwarf stars extracted from SDSS

2), 2) ((1) Zentrum f\"ur Astronomie der Universit\"at Heidelberg, (2) GEPI, CNRS, Elisabetta Caffau (1, France), Germany, Hans-Gunther Ludwig (1, Heidelberg, Landessternwarte, Luca Sbordone (1, Meudon, Observatoire de Paris, Piercarlo Bonifacio (2), Univ. Paris Diderot

arxiv:1201.1044 v1 · 2012-01-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36RQIVZYZNOVKRVG6QEQS5AITM}

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	2026-05-18T02:21:26.006699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfa3045738cb5d5546a6f4090974089b0b1bfd48ca65fb17cce56466a015e34f

Aliases

arxiv: 1201.1044 · arxiv_version: 1201.1044v1 · doi: 10.48550/arxiv.1201.1044 · pith_short_12: 36RQIVZYZNOV · pith_short_16: 36RQIVZYZNOVKRVG · pith_short_8: 36RQIVZY

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/36RQIVZYZNOVKRVG6QEQS5AITM \
  | 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: dfa3045738cb5d5546a6f4090974089b0b1bfd48ca65fb17cce56466a015e34f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b59b55a24558bcb2a64a999a066cda99dcc21dc348aa125b9516ef6a9b6787b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-01-05T00:42:39Z",
    "title_canon_sha256": "43b952163256640ef2fe07b0dae16459385eb28d2b3248fcd5cf5b83cb6c70d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1044",
    "kind": "arxiv",
    "version": 1
  }
}