Pith Number

pith:IXQCQCPX

pith:2013:IXQCQCPXJP52JLBH3KOEYGRDGN

not attested not anchored not stored refs pending

Extragalactic Globular Cluster Populations from High Resolution Integrated Light Spectra

A. McWilliam, J. E. Colucci, J. G. Cohen, R. A. Bernstein

arxiv:1302.6252 v1 · 2013-02-25 · astro-ph.CO · 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{IXQCQCPXJP52JLBH3KOEYGRDGN}

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	2026-05-18T03:32:30.918010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e02809f74bfba4ac27da9c4c1a233379ca92cac0c77b3e52fa7b5698ee8d56

Aliases

arxiv: 1302.6252 · arxiv_version: 1302.6252v1 · doi: 10.48550/arxiv.1302.6252 · pith_short_12: IXQCQCPXJP52 · pith_short_16: IXQCQCPXJP52JLBH · pith_short_8: IXQCQCPX

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/IXQCQCPXJP52JLBH3KOEYGRDGN \
  | 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: 45e02809f74bfba4ac27da9c4c1a233379ca92cac0c77b3e52fa7b5698ee8d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e04f82a7b5783d1b519e34746ab87d5cd3e890810383259192c249b56fdae02c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-25T21:03:09Z",
    "title_canon_sha256": "ca6d92791b2ba8da7bc1d6d71729770bb232801cee85303e3d46c0768621cf82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6252",
    "kind": "arxiv",
    "version": 1
  }
}