Pith Number

pith:PI42IR52

pith:2011:PI42IR524LOVLFIZ6AKXGC6YBK

not attested not anchored not stored refs pending

The two metallicity groups of the globular cluster M22: a chemical perspective

A. F. Marino, A. P. Milone, C. Sneden, G. Da Costa, G. Gonzalez, G. Piotto, G. Wallerstein, I. I. Ivans, J. E. Norris, J. P. Fulbright, M. Hilker, M. Zoccali, P. B. Stetson, R. P. Kraft

arxiv:1105.1523 v1 · 2011-05-08 · 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{PI42IR524LOVLFIZ6AKXGC6YBK}

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	2026-05-18T02:02:02.763957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a39a447bae2dd559519f015730bd80a8c4d901a4ac44f7322cbe8333d6216ba

Aliases

arxiv: 1105.1523 · arxiv_version: 1105.1523v1 · doi: 10.48550/arxiv.1105.1523 · pith_short_12: PI42IR524LOV · pith_short_16: PI42IR524LOVLFIZ · pith_short_8: PI42IR52

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/PI42IR524LOVLFIZ6AKXGC6YBK \
  | 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: 7a39a447bae2dd559519f015730bd80a8c4d901a4ac44f7322cbe8333d6216ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbd963db0d03e432e74f14e32a9d8f51dce4dcbec8a1cc72eb295a8a688c53aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-08T14:20:51Z",
    "title_canon_sha256": "bd28b174c3b50310485e1f30ec526d85b0bd610ce73e7378c652b73513ab4d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1523",
    "kind": "arxiv",
    "version": 1
  }
}