Pith Number

pith:7FTRZ4K2

pith:2013:7FTRZ4K2JSVEVOSAB2IAGHLHGY

not attested not anchored not stored refs pending

Calibrating stellar population models with Magellanic Cloud star clusters

Alvio Renzini, Claudia Maraston, Laura Greggio, Marcella Carollo, Noelia E. D. Noel

arxiv:1305.3617 v1 · 2013-05-15 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FTRZ4K2JSVEVOSAB2IAGHLHGY}

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	2026-05-18T01:49:56.739192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9671cf15a4caa4aba400e90031d673626ca3e0afabadf612f1763ef33525500

Aliases

arxiv: 1305.3617 · arxiv_version: 1305.3617v1 · doi: 10.48550/arxiv.1305.3617 · pith_short_12: 7FTRZ4K2JSVE · pith_short_16: 7FTRZ4K2JSVEVOSA · pith_short_8: 7FTRZ4K2

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/7FTRZ4K2JSVEVOSAB2IAGHLHGY \
  | 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: f9671cf15a4caa4aba400e90031d673626ca3e0afabadf612f1763ef33525500

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a828551896d19fa92c83b73294faa94e32684e5413ccff32d22804d0b51013",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-05-15T20:02:26Z",
    "title_canon_sha256": "b1d0f00f44c2b0e4340920693d4f2526d3c904a33b2c61c38b46ebcf33ee721a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3617",
    "kind": "arxiv",
    "version": 1
  }
}