Pith Number

pith:KKOE5QUI

pith:2013:KKOE5QUIXHLROMPU5QUOXJ4X6H

not attested not anchored not stored refs pending

On the internal pollution mechanisms in the globular cluster NGC 6121 (M4): heavy-element abundances and AGB models

Eugenio Carretta, John C. Lattanzio, Marco Pignatari, Maria Lugaro, Simon W. Campbell, Valentina D'Orazi

arxiv:1304.7009 v1 · 2013-04-25 · astro-ph.GA · 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{KKOE5QUIXHLROMPU5QUOXJ4X6H}

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	2026-05-18T01:50:21.699154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529c4ec288b9d71731f4ec28eba797f1dd372367ab90f0ac8c02b96387cb4ce0

Aliases

arxiv: 1304.7009 · arxiv_version: 1304.7009v1 · doi: 10.48550/arxiv.1304.7009 · pith_short_12: KKOE5QUIXHLR · pith_short_16: KKOE5QUIXHLROMPU · pith_short_8: KKOE5QUI

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/KKOE5QUIXHLROMPU5QUOXJ4X6H \
  | 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: 529c4ec288b9d71731f4ec28eba797f1dd372367ab90f0ac8c02b96387cb4ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d095d1224dcdf051d94ef6814bac3d9300d466f71f9b71cc332d1137dd2d16e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-25T20:00:46Z",
    "title_canon_sha256": "6e8fd04ca895e2eb6d50272fe6281e71735e827a0d34692f3a72c6ac716ae8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7009",
    "kind": "arxiv",
    "version": 1
  }
}