Pith Number

pith:2QBTT4YN

pith:2026:2QBTT4YNNWZB4DASNXI53SWDA6

not attested not anchored not stored refs pending

Abundances of CNO in candidate young metal-poor stars

Alessio Mucciarelli (UNIBo), Elisabetta Caffau (LIRA), Linda Lombardo (OAT), Lorenzo Monaco (UNAB), Luca Sbordone (ESO), Monique Spite (LIRA), Patrick Francois (LIRA, Piercarlo Bonifacio (LIRA), Rosine Lallement (LIRA), UPJV)

arxiv:2606.20200 v1 · 2026-06-18 · 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{2QBTT4YNNWZB4DASNXI53SWDA6}

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	2026-06-19T16:13:05.505751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40339f30d6db21e0c126dd1ddcac307a7662f13d0a5e55b1862eb4b9e248077

Aliases

arxiv: 2606.20200 · arxiv_version: 2606.20200v1 · doi: 10.48550/arxiv.2606.20200 · pith_short_12: 2QBTT4YNNWZB · pith_short_16: 2QBTT4YNNWZB4DAS · pith_short_8: 2QBTT4YN

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/2QBTT4YNNWZB4DASNXI53SWDA6 \
  | 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: d40339f30d6db21e0c126dd1ddcac307a7662f13d0a5e55b1862eb4b9e248077

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9078b52e18ca08adf8acf7e9ed64f99826ce93a27ab60371ea66555d7ee17c1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-18T13:15:26Z",
    "title_canon_sha256": "3c89ba261f2f9885b46e55573cd88fbf0b109c850a94e98ce10e376ab36bec4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20200",
    "kind": "arxiv",
    "version": 1
  }
}