Pith Number

pith:7XFS3RVB

pith:2009:7XFS3RVB3JEYECEPNLATDY2UZ6

not attested not anchored not stored refs pending

The Hamburg/ESO R-process Enhanced Star survey (HERES) IV. Detailed abundance analysis and age dating of the strongly r-process enhanced stars CS 29491-069 and HE 1219-0312

A.J. Korn, B. Pfeiffer, K. Eriksson, K. Farouqi, K.-L. Kratz, N. Christlieb, P.S. Barklem, T.C. Beers, U. Wiesendahl, V. Hill, W. Hayek

arxiv:0910.0707 v1 · 2009-10-05 · 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{7XFS3RVB3JEYECEPNLATDY2UZ6}

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	2026-05-18T04:37:33.730150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdcb2dc6a1da4982088f6ac131e354cf9762b708a853c186f0beae2bc3972873

Aliases

arxiv: 0910.0707 · arxiv_version: 0910.0707v1 · doi: 10.48550/arxiv.0910.0707 · pith_short_12: 7XFS3RVB3JEY · pith_short_16: 7XFS3RVB3JEYECEP · pith_short_8: 7XFS3RVB

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/7XFS3RVB3JEYECEPNLATDY2UZ6 \
  | 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: fdcb2dc6a1da4982088f6ac131e354cf9762b708a853c186f0beae2bc3972873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7078c3a95eb792274b2dc4abbbcc956e92496ae319b9b67ed36fc00c2f230f62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-05T10:04:56Z",
    "title_canon_sha256": "5d04e8814e13f12a2c01837c96cde5ad452f7422f2297fb5d5b631d918882265"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0707",
    "kind": "arxiv",
    "version": 1
  }
}