Pith Number

pith:DJWKX77L

pith:2009:DJWKX77LP4M6LIENGFT27WUHOS

not attested not anchored not stored refs pending

Stellar Populations in Globular Cluster Cores: Evidence for a Peculiar Trend Among Red Giant Branch Stars

A. Sills, C. Knigge, N. Leigh

arxiv:0909.2864 v1 · 2009-09-15 · astro-ph.SR · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJWKX77LP4M6LIENGFT27WUHOS}

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	2026-05-18T02:11:47.646075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a6cabffeb7f19e5a08d3167afda87748a0773c441ebc6db702a2115de806665

Aliases

arxiv: 0909.2864 · arxiv_version: 0909.2864v1 · doi: 10.48550/arxiv.0909.2864 · pith_short_12: DJWKX77LP4M6 · pith_short_16: DJWKX77LP4M6LIEN · pith_short_8: DJWKX77L

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/DJWKX77LP4M6LIENGFT27WUHOS \
  | 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: 1a6cabffeb7f19e5a08d3167afda87748a0773c441ebc6db702a2115de806665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbb6fd76f2021db88d3a22070b6340551b5b1ae295d4735855ce34a44b41b9e8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-15T20:02:00Z",
    "title_canon_sha256": "93e0a4c2e4619670e23e40679e25c9907627b12169309909f5c242b726db7a1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2864",
    "kind": "arxiv",
    "version": 1
  }
}