Pith Number

pith:QZD6Z6LM

pith:2018:QZD6Z6LMHRYRA2U4O6EVUUPKXB

not attested not anchored not stored refs pending

An enigmatic population of luminous globular clusters in a galaxy lacking dark matter

Aaron J. Romanowsky, Allison Merritt, Charlie Conroy, Deborah Lokhorst, Ewan O'Sullivan, Jean Brodie, Jielai Zhang, J. M. Diederik Kruijssen, Lamiya Mowla, Pieter van Dokkum, Roberto Abraham, Shany Danieli, Yotam Cohen

arxiv:1803.10240 v1 · 2018-03-27 · 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{QZD6Z6LMHRYRA2U4O6EVUUPKXB}

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	2026-05-18T00:18:48.923218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8647ecf96c3c71106a9c77895a51eab86cae37cff7dbd33747af9897ba49b42d

Aliases

arxiv: 1803.10240 · arxiv_version: 1803.10240v1 · doi: 10.48550/arxiv.1803.10240 · pith_short_12: QZD6Z6LMHRYR · pith_short_16: QZD6Z6LMHRYRA2U4 · pith_short_8: QZD6Z6LM

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/QZD6Z6LMHRYRA2U4O6EVUUPKXB \
  | 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: 8647ecf96c3c71106a9c77895a51eab86cae37cff7dbd33747af9897ba49b42d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17151e976c42b78b86279a9ae9b789fd9b3727c07bbd6661ebeab5ac53e3543",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-27T18:00:04Z",
    "title_canon_sha256": "f46bab3c81618d15e0258af1395059876d8d317d19d6501750c1dc2c96e21151"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10240",
    "kind": "arxiv",
    "version": 1
  }
}