Pith Number

pith:DT2J5STL

pith:2009:DT2J5STLFL6NL5OHL5JVN7HNVF

not attested not anchored not stored refs pending

Search for associations containing young stars (SACY):II. Chemical abundances of stars in 11 young Associations in the Solar neighborhood

C. A. O. Torres, C. Melo, G.R. Quast, J.F. Gameiro, M. Ammler-von Eiff, M. Sterzik, N.C. Santos, P. Viana Almeida

arxiv:0904.1221 v1 · 2009-04-07 · 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{DT2J5STLFL6NL5OHL5JVN7HNVF}

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	2026-05-18T00:56:58.732386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cf49eca6b2afcd5f5c75f5356fceda96b7a4359007ce6144ed2a6a3e8260e84

Aliases

arxiv: 0904.1221 · arxiv_version: 0904.1221v1 · doi: 10.48550/arxiv.0904.1221 · pith_short_12: DT2J5STLFL6N · pith_short_16: DT2J5STLFL6NL5OH · pith_short_8: DT2J5STL

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/DT2J5STLFL6NL5OHL5JVN7HNVF \
  | 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: 1cf49eca6b2afcd5f5c75f5356fceda96b7a4359007ce6144ed2a6a3e8260e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ada6b51c545dfd0c6b1f362af8f8ff4901ea8ec84121dde363a02994a171ff20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-07T20:50:41Z",
    "title_canon_sha256": "3303a5cafd753dd6799c6b9cb108ea33da409cae8a7d33b761f55638b015029b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1221",
    "kind": "arxiv",
    "version": 1
  }
}