Pith Number

pith:WK75L7LO

pith:2019:WK75L7LOANIXN7BKBURSWTCGXJ

not attested not anchored not stored refs pending

Origin of the system of globular clusters in the Milky Way

Amina Helmi, Davide Massari, Helmer H. Koppelman

arxiv:1906.08271 v2 · 2019-06-19 · 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{WK75L7LOANIXN7BKBURSWTCGXJ}

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.

Cited by

1 paper in Pith

New Way to Date Globular Clusters: Brown Dwarf Cooling Sequences

Receipt and verification

First computed	2026-07-05T00:06:46.589530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2bfd5fd6e035176fc2a0d232b4c46ba515b1cecec46c90972d083ffb7ac712b

Aliases

arxiv: 1906.08271 · arxiv_version: 1906.08271v2 · doi: 10.48550/arxiv.1906.08271 · pith_short_12: WK75L7LOANIX · pith_short_16: WK75L7LOANIXN7BK · pith_short_8: WK75L7LO

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/WK75L7LOANIXN7BKBURSWTCGXJ \
  | 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: b2bfd5fd6e035176fc2a0d232b4c46ba515b1cecec46c90972d083ffb7ac712b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42d1b493fc36ef10d5f22a679d38b9258e947e6112797c29a3cb28d98f187055",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-19T18:00:05Z",
    "title_canon_sha256": "5ba73ed369c1d18df25b0706d94e497c6f58d9261beb6f654747c053542cc215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08271",
    "kind": "arxiv",
    "version": 2
  }
}