Pith Number

pith:RFJIEDAZ

pith:2011:RFJIEDAZCVBHOTDDJZAMPERLSE

not attested not anchored not stored refs pending

The Binary Frequency of r-Process-Element Enhanced Metal-Poor Stars and its Implications: Chemical Tagging in the Primitive Halo of the Milky Way

Birgitta Nordstr\"om, Johannes Andersen, Lars A. Buchhave, Terese Hansen, Timothy C. Beers

arxiv:1110.4536 v2 · 2011-10-20 · 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{RFJIEDAZCVBHOTDDJZAMPERLSE}

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	2026-05-18T02:00:07.887575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8952820c191542774c634e40c7922b9129ab785d4c469f299b76983d2f07bc48

Aliases

arxiv: 1110.4536 · arxiv_version: 1110.4536v2 · doi: 10.48550/arxiv.1110.4536 · pith_short_12: RFJIEDAZCVBH · pith_short_16: RFJIEDAZCVBHOTDD · pith_short_8: RFJIEDAZ

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/RFJIEDAZCVBHOTDDJZAMPERLSE \
  | 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: 8952820c191542774c634e40c7922b9129ab785d4c469f299b76983d2f07bc48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ca0b3c96d6fb697020aee3580fa9c13e1260ea9fd8c8ab967e6fc993f28256",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-10-20T14:18:40Z",
    "title_canon_sha256": "0f3a073857915675ed5d8a5e2a0068b9ae2d266ace8d5d5da1a91c280809ec7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4536",
    "kind": "arxiv",
    "version": 2
  }
}