Pith Number

pith:ZWNOSXRA

pith:2010:ZWNOSXRA667DQR44VJ5PTGVSK3

not attested not anchored not stored refs pending

Calcium and light-elements abundance variations from high resolution spectroscopy in globular clusters

(2) INAF-Osservatorio Astronomico di Padova, 3), (3) Excellence Cluster Universe, Angela Bragaglia (1), Eugenio Carretta (1), Garching), Michele Bellazzini (1), Raffaele Gratton (2), Sara Lucatello (2, Valentina D'Orazi (2) ((1)INAF-Osservatorio Astronomico di Bologna

arxiv:1002.0002 v1 · 2010-01-29 · 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{ZWNOSXRA667DQR44VJ5PTGVSK3}

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	2026-05-18T02:09:21.970109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd9ae95e20f7be38479caa7af99ab256d2551011c0000a2618ea6fc98447ac74

Aliases

arxiv: 1002.0002 · arxiv_version: 1002.0002v1 · doi: 10.48550/arxiv.1002.0002 · pith_short_12: ZWNOSXRA667D · pith_short_16: ZWNOSXRA667DQR44 · pith_short_8: ZWNOSXRA

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/ZWNOSXRA667DQR44VJ5PTGVSK3 \
  | 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: cd9ae95e20f7be38479caa7af99ab256d2551011c0000a2618ea6fc98447ac74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af9f7469beba0a6ead64eba09242ed3905a2a3812562d56791beab3f011d9ae9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-29T21:00:11Z",
    "title_canon_sha256": "ed7f96985b7d309eee0b3c22d93778ebe0e23cdd7aa6e4f7c8ff976e6371216c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0002",
    "kind": "arxiv",
    "version": 1
  }
}