Pith Number

pith:UBNU725Y

pith:2022:UBNU725YENMEJEW6NO4O2CXPVO

not attested not anchored not stored refs pending

Discovery of a Metal-Poor Red Giant Star with the Highest Ultra-Lithium Enhancement

Anna Frebel, Charli M. Sakari, Corinne Charbonnel, Ella Xi Wang, Erika Holmbeck, Ian U. Roederer, Jeremy Kowkabany, Rana Ezzeddine, Terese T. Hansen, Timothy C. Beers, Vinicius M. Placco, Yangyang Li, Zoe Hackshaw

arxiv:2209.02184 v2 · 2022-09-06 · 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{UBNU725YENMEJEW6NO4O2CXPVO}

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	2026-07-05T09:14:16.468636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05b4febb823584492de6bb8ed0aefabafdeb8d8ff11854d264e823cdc323fb9

Aliases

arxiv: 2209.02184 · arxiv_version: 2209.02184v2 · doi: 10.48550/arxiv.2209.02184 · pith_short_12: UBNU725YENME · pith_short_16: UBNU725YENMEJEW6 · pith_short_8: UBNU725Y

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/UBNU725YENMEJEW6NO4O2CXPVO \
  | 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: a05b4febb823584492de6bb8ed0aefabafdeb8d8ff11854d264e823cdc323fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3711bc654a70ff3c97ca3083951513d2e8adb9cccca925cb236aff4dc312204d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-09-06T02:25:21Z",
    "title_canon_sha256": "4057bd5ac779648910cab1af7a39b9ce755450e3c59ee4688f9a04c642e6d9c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.02184",
    "kind": "arxiv",
    "version": 2
  }
}