Pith Number

pith:NKJVFJU6

pith:2025:NKJVFJU6JTZK5NWIPAI7T4GMQB

not attested not anchored not stored refs pending

The Absolute Age of Milky Way Globular Clusters

Brian Chaboyer, Daniel Weisz, Jiaqi (Martin) Ying, Michael Boylan-Kolchin, Rowan Goebel-Bain

arxiv:2505.02969 v1 · 2025-05-05 · astro-ph.GA · 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{NKJVFJU6JTZK5NWIPAI7T4GMQB}

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	2026-07-05T10:58:50.196869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9352a69e4cf2aeb6c87811f9f0cc807a026667d22a206e5d9e99a5b3decf5a

Aliases

arxiv: 2505.02969 · arxiv_version: 2505.02969v1 · doi: 10.48550/arxiv.2505.02969 · pith_short_12: NKJVFJU6JTZK · pith_short_16: NKJVFJU6JTZK5NWI · pith_short_8: NKJVFJU6

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/NKJVFJU6JTZK5NWIPAI7T4GMQB \
  | 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: 6a9352a69e4cf2aeb6c87811f9f0cc807a026667d22a206e5d9e99a5b3decf5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ecf7bee3c4852ce2665c7363ca3adcd11241aed724db45129149ae2699d62b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-05T18:53:25Z",
    "title_canon_sha256": "1dea5776616eba2a003f6cba39d2d55c7c178dcfb9edeecf2e574a4391a750e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02969",
    "kind": "arxiv",
    "version": 1
  }
}