Pith Number

pith:ZAQS4RHS

pith:2012:ZAQS4RHS4JEU4YL6RDMMCPHAYM

not attested not anchored not stored refs pending

The SLUGGS Survey: Calcium Triplet-based Spectroscopic Metallicities for Over 900 Globular Clusters

Aaron J. Romanowsky, Caroline Foster, Christopher Usher, Duncan A. Forbes, Jacob A. Arnold, Jay Strader, Jean P. Brodie, Lee R. Spitler, Vincenzo Pota

arxiv:1207.6402 v1 · 2012-07-26 · astro-ph.CO · 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{ZAQS4RHS4JEU4YL6RDMMCPHAYM}

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	2026-05-18T03:14:41.100612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8212e44f2e2494e617e88d8c13ce0c33bf44ef91a75b5cea31f123d5c72235d

Aliases

arxiv: 1207.6402 · arxiv_version: 1207.6402v1 · doi: 10.48550/arxiv.1207.6402 · pith_short_12: ZAQS4RHS4JEU · pith_short_16: ZAQS4RHS4JEU4YL6 · pith_short_8: ZAQS4RHS

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/ZAQS4RHS4JEU4YL6RDMMCPHAYM \
  | 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: c8212e44f2e2494e617e88d8c13ce0c33bf44ef91a75b5cea31f123d5c72235d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c35a791f90f460e71273a9a1146da7a75a3ee8d98902dd9559049d428e745db8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-26T20:01:10Z",
    "title_canon_sha256": "f48f02d3a7f43dfd3282920d4c2bc2353db8584de78f6618be31c8003931023c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6402",
    "kind": "arxiv",
    "version": 1
  }
}