Pith Number

pith:CT72USCX

pith:2018:CT72USCX2WLZYQ4QOMNW4V2JNU

not attested not anchored not stored refs pending

The R-Process Alliance: Chemical Abundances for a Trio of R-Process-Enhanced Stars -- One Strong, One Moderate, One Mild

Alexander P. Ji (Carngie), Andrew R. Casey (Monash), Anna Frebel (MIT), Charli Sakari (U Washington), Ian U. Roederer (U Michigan), JINA), Jorge Melendez (Sao Paulo), Madelyn Cain (MIT), Maude Gull (MIT), Rana Ezzeddine (MIT, Terese T. Hansen (Carnegie), Timothy C. Beers (Notre Dame), Vinicius M. Placco (Notre Dame)

arxiv:1807.03734 v1 · 2018-07-10 · 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{CT72USCX2WLZYQ4QOMNW4V2JNU}

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	2026-05-18T00:06:37.637929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14ffaa4857d5979c4390731b6e57496d007e3417913db896ea4371ca4d25bd42

Aliases

arxiv: 1807.03734 · arxiv_version: 1807.03734v1 · doi: 10.48550/arxiv.1807.03734 · pith_short_12: CT72USCX2WLZ · pith_short_16: CT72USCX2WLZYQ4Q · pith_short_8: CT72USCX

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/CT72USCX2WLZYQ4QOMNW4V2JNU \
  | 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: 14ffaa4857d5979c4390731b6e57496d007e3417913db896ea4371ca4d25bd42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "833d39885b4ac59193548723cd6f84a1da1fa950a93906e1b14075d9d49d1fd8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-10T16:15:33Z",
    "title_canon_sha256": "b2efb23d532a63074f94f4abc1aa4d003e7bb87f934916ddae6fbf8d9080aac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03734",
    "kind": "arxiv",
    "version": 1
  }
}