Pith Number

pith:STRD2ZMO

pith:2009:STRD2ZMOWEEWYI3XWJOR73REGT

not attested not anchored not stored refs pending

The ACS Survey of Galactic Globular Clusters. IX. Horizontal Branch Morphology and the Second Parameter Phenomenon

Aaron Dotter, Alfred Rosenberg, A. Mar\'in-Franch, Antonino Milone, Antonio Aparicio, Ata Sarajedini, Brian Chaboyer, Giampaolo Piotto, I. Neill Reid, Jay Anderson, Luigi R. Bedin, Michael Siegel, Nathaniel Paust, Steven Majewski

arxiv:0911.2469 v1 · 2009-11-12 · astro-ph.SR · 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{STRD2ZMOWEEWYI3XWJOR73REGT}

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	2026-05-18T02:34:11.046569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94e23d658eb1096c2377b25d1fee2434d34ea57a11ac47123ae16ecb6ddfd2fb

Aliases

arxiv: 0911.2469 · arxiv_version: 0911.2469v1 · doi: 10.48550/arxiv.0911.2469 · pith_short_12: STRD2ZMOWEEW · pith_short_16: STRD2ZMOWEEWYI3X · pith_short_8: STRD2ZMO

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/STRD2ZMOWEEWYI3XWJOR73REGT \
  | 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: 94e23d658eb1096c2377b25d1fee2434d34ea57a11ac47123ae16ecb6ddfd2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049f4f8aa061c298917f003547bdfd532baac1ca981a17aa8cb11ac6e23dd8fd",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-12T21:26:21Z",
    "title_canon_sha256": "458cc5f37a9da313f0ce4910eb0395b89bdee0161d02860b1251d563dcd982e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2469",
    "kind": "arxiv",
    "version": 1
  }
}