Pith Number

pith:SPR7ACJK

pith:2013:SPR7ACJKF75VFAZSA3UENTYEXU

not attested not anchored not stored refs pending

High Precision Differential Abundance Measurements in Globular Clusters: Chemical Inhomogeneities in NGC 6752

A. F. Marino, A. P. Milone, Barbara E. McArthur, David Yong, Frank Grundahl, Ian U. Roederer, John E. Norris, Jorge Melendez, K. Lind, Martin Asplund, P. Coelho, R. Collet

arxiv:1307.4486 v1 · 2013-07-17 · 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{SPR7ACJKF75VFAZSA3UENTYEXU}

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	2026-05-18T01:48:43.706867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e3f0092a2ffb52833206e846cf04bd01c90214a236b8532fc97971607f5798

Aliases

arxiv: 1307.4486 · arxiv_version: 1307.4486v1 · doi: 10.48550/arxiv.1307.4486 · pith_short_12: SPR7ACJKF75V · pith_short_16: SPR7ACJKF75VFAZS · pith_short_8: SPR7ACJK

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/SPR7ACJKF75VFAZSA3UENTYEXU \
  | 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: 93e3f0092a2ffb52833206e846cf04bd01c90214a236b8532fc97971607f5798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6830851607aa0f7ab2f2c4f8c73e84d88bf1f25a6834d18a1dc2a88919b8ade5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-17T02:27:11Z",
    "title_canon_sha256": "92bf653fe62773fd2594d66f36ee6e7e6be129ef5cad60e8bd1402c047f8de7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4486",
    "kind": "arxiv",
    "version": 1
  }
}