Pith Number

pith:SQKI44QZ

pith:2005:SQKI44QZE22TSAGLZXBBXRR7VJ

not attested not anchored not stored refs pending

Systematic uncertainties in the analysis of star cluster parameters based on broad-band imaging observations

G. Parmentier, H.J.G.L.M. Lamers, M.E. Sharina, N. Bastian, P. Anders, R. de Grijs (University of Sheffield, S. Yi, U. Fritze-v. Alvensleben, UK)

arxiv:astro-ph/0502289 v1 · 2005-02-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQKI44QZE22TSAGLZXBBXRR7VJ}

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	2026-05-18T02:40:25.821250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94148e721926b53900cbcdc21bc63faa681724fc78f8d9398a2b8f27965a9455

Aliases

arxiv: astro-ph/0502289 · arxiv_version: astro-ph/0502289v1 · doi: 10.48550/arxiv.astro-ph/0502289 · pith_short_12: SQKI44QZE22T · pith_short_16: SQKI44QZE22TSAGL · pith_short_8: SQKI44QZ

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/SQKI44QZE22TSAGLZXBBXRR7VJ \
  | 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: 94148e721926b53900cbcdc21bc63faa681724fc78f8d9398a2b8f27965a9455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb6afd6559cedbf7581a3206930a03f5d9bcd9e12f5d717df919a81b036f5785",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-15T11:30:26Z",
    "title_canon_sha256": "f5f78651f53a8c66b4385d81624f6adea7549f5acf5269e8c565087f0f9f3b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502289",
    "kind": "arxiv",
    "version": 1
  }
}