Pith Number

pith:KKKPNDI5

pith:2026:KKKPNDI5U24XPSAANP7R6HGQDI

not attested not anchored not stored refs pending

Spectroscopic analysis of RGB stars in nine open clusters

Alan Alves-Brito, Beatriz Barbuy, Corinne Charbonnel, Nad\`ege Lagarde, Pierre North, Rodolfo Smiljanic, Saulo de Oliveira Cantanh\^ede

arxiv:2606.11006 v1 · 2026-06-09 · 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{KKKPNDI5U24XPSAANP7R6HGQDI}

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	2026-06-10T01:11:03.292230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5294f68d1da6b977c8006bff1f1cd01a0dc4dcba0fe22f9a2441df7c97c31cec

Aliases

arxiv: 2606.11006 · arxiv_version: 2606.11006v1 · doi: 10.48550/arxiv.2606.11006 · pith_short_12: KKKPNDI5U24X · pith_short_16: KKKPNDI5U24XPSAA · pith_short_8: KKKPNDI5

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/KKKPNDI5U24XPSAANP7R6HGQDI \
  | 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: 5294f68d1da6b977c8006bff1f1cd01a0dc4dcba0fe22f9a2441df7c97c31cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3ed78fb3001f28ca652f7198c37c3e493ffea3158ced20ad8f88bd7e9b60fb4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-09T15:41:30Z",
    "title_canon_sha256": "15ebafa591bc429909ba1164254232f3185e92767c5436477d9f0c30379d4240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11006",
    "kind": "arxiv",
    "version": 1
  }
}