Pith Number

pith:4XUZGFAN

pith:2015:4XUZGFANQTPZDRBL3DE4C4CIQS

not attested not anchored not stored refs pending

The role of binaries in the enrichment of the early Galactic halo. I. r-process-enhanced metal-poor stars

B. Nordstr{\o}m, J. Andersen, J. Yoon, L. A. Buchhave, T. C. Beers, T. T. Hansen

arxiv:1509.05344 v1 · 2015-09-17 · 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{4XUZGFANQTPZDRBL3DE4C4CIQS}

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	2026-05-18T01:27:57.325410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5e993140d84df91c42bd8c9c1704884b31371f071851c0ae0b52a499af639e4

Aliases

arxiv: 1509.05344 · arxiv_version: 1509.05344v1 · doi: 10.48550/arxiv.1509.05344 · pith_short_12: 4XUZGFANQTPZ · pith_short_16: 4XUZGFANQTPZDRBL · pith_short_8: 4XUZGFAN

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/4XUZGFANQTPZDRBL3DE4C4CIQS \
  | 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: e5e993140d84df91c42bd8c9c1704884b31371f071851c0ae0b52a499af639e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ecb18872d90b0aa3664aae8bcf7b5c84bad0d788063426ecd35f7c30fa349b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-17T17:46:26Z",
    "title_canon_sha256": "1539d29f4edbfc6b6b74a8462a0639db1f4bc39db8ab41b56c1a0d5aa7e6c0a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05344",
    "kind": "arxiv",
    "version": 1
  }
}