Pith Number

pith:XXDB4DCQ

pith:2009:XXDB4DCQOCF7HOHNWQFB7A2VLT

not attested not anchored not stored refs pending

Further Definition of the Mass-Metallicity Relation in Globular Cluster Systems Around Brightest Cluster Galaxies

Barry Rothberg, Bradley C. Whitmore, Elizabeth M. H. Wehner, Robert Cockcroft, William E. Harris

arxiv:0906.2008 v1 · 2009-06-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXDB4DCQOCF7HOHNWQFB7A2VLT}

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	2026-05-18T02:13:20.884842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdc61e0c50708bf3b8edb40a1f83555cefc3987d4932aa743250d088742831c6

Aliases

arxiv: 0906.2008 · arxiv_version: 0906.2008v1 · doi: 10.48550/arxiv.0906.2008 · pith_short_12: XXDB4DCQOCF7 · pith_short_16: XXDB4DCQOCF7HOHN · pith_short_8: XXDB4DCQ

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/XXDB4DCQOCF7HOHNWQFB7A2VLT \
  | 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: bdc61e0c50708bf3b8edb40a1f83555cefc3987d4932aa743250d088742831c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e86b25443a88f3fcf937239fa69fa3eb69fafc81001f76463239886f2d2d77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-10T20:13:50Z",
    "title_canon_sha256": "e471119527a7f59af2fc0e1a08ad95d490a579f73285b909ace66db05093ab89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2008",
    "kind": "arxiv",
    "version": 1
  }
}