Pith Number

pith:WAGBIKK7

pith:2009:WAGBIKK72WF7CDKAQTCIHS24B2

not attested not anchored not stored refs pending

A spectroscopic study of the Open Cluster NGC 6475 (M 7) Chemical Abundances from stars in the range T = 4500-10000 K

Giovanni Carraro (ESO-Chile), Ivo Saviane (ESO-Chile), Sandro Villanova (Concepcion)

arxiv:0906.4330 v1 · 2009-06-23 · 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{WAGBIKK72WF7CDKAQTCIHS24B2}

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	2026-05-18T02:13:13.120870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b00c14295fd58bf10d4084c483cb5c0ebd65491b80133346c9a1c79bca85b518

Aliases

arxiv: 0906.4330 · arxiv_version: 0906.4330v1 · doi: 10.48550/arxiv.0906.4330 · pith_short_12: WAGBIKK72WF7 · pith_short_16: WAGBIKK72WF7CDKA · pith_short_8: WAGBIKK7

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/WAGBIKK72WF7CDKAQTCIHS24B2 \
  | 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: b00c14295fd58bf10d4084c483cb5c0ebd65491b80133346c9a1c79bca85b518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f32ef4724052b7081822e061e0c5091bd06654de6cfe00b3f930ab0176a28f6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-23T19:25:56Z",
    "title_canon_sha256": "69a59170e1edf804909792e3202c2446d32ae485364b68ef25c776dee3f77dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4330",
    "kind": "arxiv",
    "version": 1
  }
}