Pith Number

pith:XUAHC2P7

pith:2013:XUAHC2P7JX2V5TL3IYL6XVVNEN

not attested not anchored not stored refs pending

Abundances of lithium, oxygen, and sodium in the turn-off stars of Galactic globular cluster 47 Tuc

A. Ku\v{c}inskas, D. Prakapavi\v{c}ius, E. Caffau, F. Royer, H.-G. Ludwig, L. Sbordone, M. Steffen, P. Bonifacio, S. A. Korotin, V. Dobrovolskas

arxiv:1311.1072 v2 · 2013-11-05 · 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{XUAHC2P7JX2V5TL3IYL6XVVNEN}

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	2026-05-18T02:51:01.220640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd007169ff4df55ecd7b4617ebd6ad236ce6099977197d0cf13ebfee36d7fadf

Aliases

arxiv: 1311.1072 · arxiv_version: 1311.1072v2 · doi: 10.48550/arxiv.1311.1072 · pith_short_12: XUAHC2P7JX2V · pith_short_16: XUAHC2P7JX2V5TL3 · pith_short_8: XUAHC2P7

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/XUAHC2P7JX2V5TL3IYL6XVVNEN \
  | 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: bd007169ff4df55ecd7b4617ebd6ad236ce6099977197d0cf13ebfee36d7fadf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a63a7752599dfa1d20044b36966a1f9b061b33c2fdb064ae9b0ba6b03b25227b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-05T14:39:54Z",
    "title_canon_sha256": "d11798ab22cba03fb95d164516133473e990561f034f20c6a1e958d65a861c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1072",
    "kind": "arxiv",
    "version": 2
  }
}