Pith Number

pith:IIS6WNHM

pith:2012:IIS6WNHMXVLYCEE7LNFBIEJOMY

not attested not anchored not stored refs pending

The Quintuplet Cluster III. Hertzsprung-Russell diagram and cluster age

A. Liermann, L. M. Oskinova, W.-R. Hamann

arxiv:1203.2435 v1 · 2012-03-12 · 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{IIS6WNHMXVLYCEE7LNFBIEJOMY}

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	2026-05-18T04:00:25.470126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4225eb34ecbd5781109f5b4a14112e661f6b1c53911b132be90476b58aa252e4

Aliases

arxiv: 1203.2435 · arxiv_version: 1203.2435v1 · doi: 10.48550/arxiv.1203.2435 · pith_short_12: IIS6WNHMXVLY · pith_short_16: IIS6WNHMXVLYCEE7 · pith_short_8: IIS6WNHM

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/IIS6WNHMXVLYCEE7LNFBIEJOMY \
  | 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: 4225eb34ecbd5781109f5b4a14112e661f6b1c53911b132be90476b58aa252e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8afd973472c606a956c30b7b855744059e1fef8335f98130523a1e2230d2ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-12T09:31:58Z",
    "title_canon_sha256": "4ff19a4deff33950ccd66af881e86eafb1035be314da1d0888d73c0540e92e1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2435",
    "kind": "arxiv",
    "version": 1
  }
}