Pith Number

pith:VA7MA3LZ

pith:2018:VA7MA3LZFKTBJGXHCNXA6SEIIR

not attested not anchored not stored refs pending

The R-Process Alliance: First Release from the Northern Search for r-Process Enhanced Metal-Poor Stars in the Galactic Halo

Amina Helmi, Andrea Kunder, Anna Frebel, Brad K. Gibson, Charli M. Sakari, Christopher Evan Davis, Christopher Sneden, Cristina Chiappini, Elizabeth M. Farrell, Erika M. Holmbeck, Eva K. Grebel, Fred Watson, Gal Matijevic, George Seabroke, Georges Kordopatis, George Wallerstein, Ian U. Roederer, John J. Cowan, Joss Bland-Hawthorn, Julio Navarro, Kenneth C. Freeman, Kim A. Venn, Matthias Steinmetz, Rana Ezzeddine, Rosemary F.G. Wyse, Terese Hansen, Timothy C. Beers, Vinicius M. Placco, Warren Reid

arxiv:1809.09156 v2 · 2018-09-24 · astro-ph.SR · 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{VA7MA3LZFKTBJGXHCNXA6SEIIR}

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

2 papers in Pith

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

Observational Signatures and Constraints on the Intermediate Neutron-Capture Process. The Case of the CEMP star TYC 6044-714-1 (RAVE J094921.8-161722)

Receipt and verification

First computed	2026-05-17T23:59:14.215209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a83ec06d792aa6149ae7136e0f48884461f60ec06a88b5c91f2b87d296130a1a

Aliases

arxiv: 1809.09156 · arxiv_version: 1809.09156v2 · doi: 10.48550/arxiv.1809.09156 · pith_short_12: VA7MA3LZFKTB · pith_short_16: VA7MA3LZFKTBJGXH · pith_short_8: VA7MA3LZ

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/VA7MA3LZFKTBJGXHCNXA6SEIIR \
  | 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: a83ec06d792aa6149ae7136e0f48884461f60ec06a88b5c91f2b87d296130a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0d8b69d322be9587ecff8c592bb409e555764e77ab05a577f281bd470991fb0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-24T18:40:13Z",
    "title_canon_sha256": "862e84894f84f98ce1d8aa085375947c4d0512c87b86f31a45ef753999266f71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09156",
    "kind": "arxiv",
    "version": 2
  }
}