Pith Number

pith:TK7DGQ3E

pith:2018:TK7DGQ3EMWCXIDAJ54J2TB4FBL

not attested not anchored not stored refs pending

The R-Process Alliance: Discovery of the first metal-poor star with a combined r- and s-process element signature

Alexander P. Ji (carnegie), Andrew R. Casey (Monash), Anna Frebel (MIT, Carlo Abate (Bonn), Charli Sakari (UW), Erika M. Holmbeck (Notre Dame, JINA), Madelyn G. Cain (MIT), Maude Gull (MIT), MIT) Amanda I. Karakas (Monash), Rafael M. Santucci (UGoias), Rana Ezzeddine (JINA, Terese T. Hansen (Carnegie), Timothy C. Beers (Notre Dame, Vinicius M. Placco (Notre Dame

arxiv:1806.00645 v1 · 2018-06-02 · 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{TK7DGQ3EMWCXIDAJ54J2TB4FBL}

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

1 paper in Pith

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	2026-05-18T00:08:06.677019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9abe3343646585740c09ef13a987850ac3ce35f377a75e67c8621efab1bc7348

Aliases

arxiv: 1806.00645 · arxiv_version: 1806.00645v1 · doi: 10.48550/arxiv.1806.00645 · pith_short_12: TK7DGQ3EMWCX · pith_short_16: TK7DGQ3EMWCXIDAJ · pith_short_8: TK7DGQ3E

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/TK7DGQ3EMWCXIDAJ54J2TB4FBL \
  | 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: 9abe3343646585740c09ef13a987850ac3ce35f377a75e67c8621efab1bc7348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d07a4a8e1aadefb5697024ef4efe915a712665996203fe820a1e7a4c0d5c28ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-02T14:56:51Z",
    "title_canon_sha256": "4ebdab51261f40db7d34efb4d03f90e9cd69491ac200915d13a625b6942d4445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00645",
    "kind": "arxiv",
    "version": 1
  }
}