Pith Number

pith:Z3FP5NSR

pith:2013:Z3FP5NSRSQP6SEYIVZNASISSXF

not attested not anchored not stored refs pending

Deriving physical parameters of unresolved star clusters. I. Age, mass, and extinction degeneracies

Donatas Narbutis, Philippe de Meulenaer, Tadas Mineikis, Vladas Vansevi\v{c}ius

arxiv:1301.2008 v1 · 2013-01-10 · 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{Z3FP5NSRSQP6SEYIVZNASISSXF}

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	2026-05-18T01:52:14.129823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cecafeb651941fe91308ae5a092252b975e35f794f1158125163172ac95a352a

Aliases

arxiv: 1301.2008 · arxiv_version: 1301.2008v1 · doi: 10.48550/arxiv.1301.2008 · pith_short_12: Z3FP5NSRSQP6 · pith_short_16: Z3FP5NSRSQP6SEYI · pith_short_8: Z3FP5NSR

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/Z3FP5NSRSQP6SEYIVZNASISSXF \
  | 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: cecafeb651941fe91308ae5a092252b975e35f794f1158125163172ac95a352a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c3123ff8bcb8570d9897645ecfd3475f7d4118bed4ba37c38d1d175cbd70a71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-10T00:16:09Z",
    "title_canon_sha256": "44706d31a376bbfaebb6440ac455ef65258cfd1d45f199dfb20d612c3a896d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2008",
    "kind": "arxiv",
    "version": 1
  }
}