Pith Number

pith:WDHL7YPY

pith:2009:WDHL7YPYYAUMA7CPX4TOZ2K6WU

not attested not anchored not stored refs pending

On the Anomalous Balmer Line Strengths in Globular Clusters

Guy Worthey, Hyun-chul Lee, Jedidiah Serven, Violet Poole

arxiv:0905.2407 v2 · 2009-05-14 · 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{WDHL7YPYYAUMA7CPX4TOZ2K6WU}

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	2026-05-18T02:13:39.329934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0cebfe1f8c028c07c4fbf26ece95eb51bc8c1766c3c2fef715ea744985aaeea

Aliases

arxiv: 0905.2407 · arxiv_version: 0905.2407v2 · doi: 10.48550/arxiv.0905.2407 · pith_short_12: WDHL7YPYYAUM · pith_short_16: WDHL7YPYYAUMA7CP · pith_short_8: WDHL7YPY

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/WDHL7YPYYAUMA7CPX4TOZ2K6WU \
  | 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: b0cebfe1f8c028c07c4fbf26ece95eb51bc8c1766c3c2fef715ea744985aaeea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b98906b8af1f021fe8f2aaa0f0fd82e10a4d27510a963f346f53261578ca3667",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-14T21:58:10Z",
    "title_canon_sha256": "feba32e04eec4c2fa7b5d8c3b0efdda47ebf60a5c5b94e811b0a67e8ee7ac1c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2407",
    "kind": "arxiv",
    "version": 2
  }
}