Pith Number

pith:7HVZSBDQ

pith:2011:7HVZSBDQUFZ7JEJZQPTRYS2W76

not attested not anchored not stored refs pending

Population Parameters of Intermediate-Age Star Clusters in the Large Magellanic Cloud. II. New Insights from Extended Main Sequence Turnoffs in 7 Star Clusters

(2) PUC, 3), (3) HIA, (4) U. Toledo), Paul Goudfrooij (1), Rupali Chandar (4) ((1) STScI, Santiago, Thomas H. Puzia (2, Vera Kozhurina-Platais (1), Victoria

arxiv:1105.1337 v2 · 2011-05-06 · astro-ph.SR · 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{7HVZSBDQUFZ7JEJZQPTRYS2W76}

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	2026-05-18T02:02:03.140178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9eb990470a173f4913983e71c4b56ff903bfeb256ef89b65818aa9114ddfbd4

Aliases

arxiv: 1105.1337 · arxiv_version: 1105.1337v2 · doi: 10.48550/arxiv.1105.1337 · pith_short_12: 7HVZSBDQUFZ7 · pith_short_16: 7HVZSBDQUFZ7JEJZ · pith_short_8: 7HVZSBDQ

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/7HVZSBDQUFZ7JEJZQPTRYS2W76 \
  | 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: f9eb990470a173f4913983e71c4b56ff903bfeb256ef89b65818aa9114ddfbd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b34fedcc18e0c31bcf338d5def9c6be9bf26fbde727ad46cacb6874153c517",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-06T17:41:01Z",
    "title_canon_sha256": "4ac6ca16746ed8365e19f6bf1ee6f86ab74b8c34775adf36ba08c30dd15c7bd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1337",
    "kind": "arxiv",
    "version": 2
  }
}