Pith Number

pith:PX6UKML6

pith:2013:PX6UKML667CMFNQDCTYHRDOIEY

not attested not anchored not stored refs pending

The Ages of 55 Globular Clusters as Determined Using an Improved delta V_TO^HB Method Along with Color-Magnitude Diagram Constraints, and Their Implications for Broader Issues

Don A. VandenBerg, Karsten Brogaard, Luca Casagrande, Ryan Leaman

arxiv:1308.2257 v1 · 2013-08-09 · 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{PX6UKML667CMFNQDCTYHRDOIEY}

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

2 papers in Pith

Using the Agile software development lifecycle to develop a standalone application for generating colour magnitude diagrams

New Way to Date Globular Clusters: Brown Dwarf Cooling Sequences

Receipt and verification

First computed	2026-05-18T03:10:45.597042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dfd45317ef7c4c2b60314f0788dc8262a01e30d9b69a8a5733662dcf903218e

Aliases

arxiv: 1308.2257 · arxiv_version: 1308.2257v1 · doi: 10.48550/arxiv.1308.2257 · pith_short_12: PX6UKML667CM · pith_short_16: PX6UKML667CMFNQD · pith_short_8: PX6UKML6

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/PX6UKML667CMFNQDCTYHRDOIEY \
  | 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: 7dfd45317ef7c4c2b60314f0788dc8262a01e30d9b69a8a5733662dcf903218e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c7fec1c0935c6e94255799278856166d2bcc8c59eb525ea1ab7a6df94c95ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-09T22:35:18Z",
    "title_canon_sha256": "dc64176963e5d94771998ffe1d4a869b365d95f7c23442ce5ab84422be703022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2257",
    "kind": "arxiv",
    "version": 1
  }
}