Pith Number

pith:G47NTRNG

pith:2019:G47NTRNGMEBAVN5TQW2WZGI5UH

not attested not anchored not stored refs pending

The SLUGGS Survey: Measuring globular cluster ages using both photometry and spectroscopy

Aaron J. Romanowsky, Christopher Usher, Duncan A. Forbes, Jay Strader, Jean P. Brodie, Joel Pfeffer, Nate Bastian

arxiv:1909.05753 v1 · 2019-09-12 · 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{G47NTRNGMEBAVN5TQW2WZGI5UH}

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	2026-07-05T00:09:04.842256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

373ed9c5a661020ab7b385b56c991da1e72f4cb207e4aee5f09b8a85ef799557

Aliases

arxiv: 1909.05753 · arxiv_version: 1909.05753v1 · doi: 10.48550/arxiv.1909.05753 · pith_short_12: G47NTRNGMEBA · pith_short_16: G47NTRNGMEBAVN5T · pith_short_8: G47NTRNG

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/G47NTRNGMEBAVN5TQW2WZGI5UH \
  | 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: 373ed9c5a661020ab7b385b56c991da1e72f4cb207e4aee5f09b8a85ef799557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c09a2754d9c3e2b280e9c8b6b965a6c03a452c4a2d5053baff422c01ca61ce19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-12T15:29:29Z",
    "title_canon_sha256": "26fd98e8e0ecf9c72e0debfa88c2c4398192ab75966dadcb517e8ff548e75bed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05753",
    "kind": "arxiv",
    "version": 1
  }
}