Pith Number

pith:GNGOSFBE

pith:2018:GNGOSFBEVFNGBGBMMOMW6ZOG4Z

not attested not anchored not stored refs pending

Different stellar rotation in the two main sequences of the young globular cluster NGC1818: first direct spectroscopic evidence

A. Dotter, A. Dupree, A. F. Marino, A. P. Milone, F. D'Antona, G. Da Costa, N. Przybilla

arxiv:1807.04493 v1 · 2018-07-12 · 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{GNGOSFBEVFNGBGBMMOMW6ZOG4Z}

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	2026-05-18T00:07:06.156816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

334ce91424a95a60982c63996f65c6e64c48588ca147827c0df55fc0eb61f832

Aliases

arxiv: 1807.04493 · arxiv_version: 1807.04493v1 · doi: 10.48550/arxiv.1807.04493 · pith_short_12: GNGOSFBEVFNG · pith_short_16: GNGOSFBEVFNGBGBM · pith_short_8: GNGOSFBE

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/GNGOSFBEVFNGBGBMMOMW6ZOG4Z \
  | 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: 334ce91424a95a60982c63996f65c6e64c48588ca147827c0df55fc0eb61f832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be063a4623bacfd32f7c6bf2a8a52e259722f9dc4e899ec52b9e23590ca0afc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-12T09:28:34Z",
    "title_canon_sha256": "6f153f2cb43d3624857c3fb4f535185ecf068bf07bdf9ffef554f3edb307c3e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04493",
    "kind": "arxiv",
    "version": 1
  }
}