Pith Number

pith:SEH7GGST

pith:2019:SEH7GGSTD2LJG6JSVG4ZZ7YJKD

not attested not anchored not stored refs pending

A Deep View of a Fossil Relic in the Galactic Bulge: The Globular Cluster HP$\,$1

A. P\'erez-Villegas, B. Barbuy, B. Dias, D. Nardiello, E. Bica, L. O. Kerber, M. Libralato, R. A. P. Oliveira, S. Ortolani, S. O. Souza

arxiv:1901.03721 v1 · 2019-01-11 · astro-ph.SR · 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{SEH7GGSTD2LJG6JSVG4ZZ7YJKD}

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	2026-05-17T23:56:27.182670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910ff31a531e96937932a9b99cff0950c417ef195e1a46e5f779c32a3d0b9424

Aliases

arxiv: 1901.03721 · arxiv_version: 1901.03721v1 · doi: 10.48550/arxiv.1901.03721 · pith_short_12: SEH7GGSTD2LJ · pith_short_16: SEH7GGSTD2LJG6JS · pith_short_8: SEH7GGST

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/SEH7GGSTD2LJG6JSVG4ZZ7YJKD \
  | 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: 910ff31a531e96937932a9b99cff0950c417ef195e1a46e5f779c32a3d0b9424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c06f68028f0ad52719cd6e42d872f2638c696a4e5dc77d2a719df2da08e313",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-11T19:26:07Z",
    "title_canon_sha256": "fcfcee95d57e4e3dacae40c909db013ed4f3b5bd2fbe4307e6f9575dee3ba295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03721",
    "kind": "arxiv",
    "version": 1
  }
}