Pith Number

pith:N7OZUPNV

pith:2009:N7OZUPNVCEL2GKH36WANUR76FN

not attested not anchored not stored refs pending

Young and intermediate-age massive star clusters

Soeren S. Larsen (Utrecht University, the Netherlands)

arxiv:0911.0796 v1 · 2009-11-04 · astro-ph.GA · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7OZUPNVCEL2GKH36WANUR76FN}

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	2026-05-18T02:10:59.664286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fdd9a3db51117a328fbf580da47fe2b583a355f496dabe69b34e16e95f8e9fd

Aliases

arxiv: 0911.0796 · arxiv_version: 0911.0796v1 · doi: 10.48550/arxiv.0911.0796 · pith_short_12: N7OZUPNVCEL2 · pith_short_16: N7OZUPNVCEL2GKH3 · pith_short_8: N7OZUPNV

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/N7OZUPNVCEL2GKH36WANUR76FN \
  | 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: 6fdd9a3db51117a328fbf580da47fe2b583a355f496dabe69b34e16e95f8e9fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c2325d90cda0d626e0896c216275369302e74a6af9e58c0a9f857cb7f81904",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-04T11:55:06Z",
    "title_canon_sha256": "fd50bc6a22afefa07b8e365810d55ebb8eadbd988d0f6458179535e880f6c8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0796",
    "kind": "arxiv",
    "version": 1
  }
}