Pith Number

pith:JR7XMV5L

pith:2012:JR7XMV5LHNY2YAC3ZUCV7NC2SV

not attested not anchored not stored refs pending

Full spectral fitting of Milky Way and M31 globular clusters: ages and metallicities

Alan Alves-Brito, Duncan A. Forbes, Enio Cezario, Jean P. Brodie, Paula R. T. Coelho

arxiv:1211.1216 v2 · 2012-11-06 · 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{JR7XMV5LHNY2YAC3ZUCV7NC2SV}

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	2026-05-18T01:53:25.073981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c7f7657ab3b71ac005bcd055fb45a9554d65de1059b4c2b28c17d34fe57665e

Aliases

arxiv: 1211.1216 · arxiv_version: 1211.1216v2 · doi: 10.48550/arxiv.1211.1216 · pith_short_12: JR7XMV5LHNY2 · pith_short_16: JR7XMV5LHNY2YAC3 · pith_short_8: JR7XMV5L

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/JR7XMV5LHNY2YAC3ZUCV7NC2SV \
  | 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: 4c7f7657ab3b71ac005bcd055fb45a9554d65de1059b4c2b28c17d34fe57665e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2800410ff1b7fbe8d5563d450d1886ec33e3c95e50c2cdf6e83d7aba6fee59f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-06T13:40:22Z",
    "title_canon_sha256": "abeac41ac9ee96a673dbf1c6bd419832773758cd0e64ad5c4fb3fb5045c21f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1216",
    "kind": "arxiv",
    "version": 2
  }
}