Pith Number

pith:S7PXZZGJ

pith:2018:S7PXZZGJRNTB6NL6YMBRX5S7CX

not attested not anchored not stored refs pending

The young massive star cluster Westerlund 2 observed with MUSE. I. First results on the cluster internal motion from stellar radial velocities

(10) ESO/European Southern Observatory), 2), (2) ESA, (3) Astronomisches Rechen-Institut, (4) School of Physical, (5) Astrophysics Research Institute, 6), (6) Institute for Astrophysics, (7) INAF - Osservatorio di Astrofisica e Scienza dello Spazio, (8) Dipartimento di Fisica, 9), (9) INFN, Anna Faye McLeod (4), Anna Pasquali (3), Antonella Nota (1, Chemical Sciences, Elena Sabbi (1), Eva K. Grebel (3), Georg-August-University, Liverpool John Moores University, Michele Cignoni (8, Monica Tosi (7), Peter Zeidler (1), Sebastian Kamann (5, Sezione di Pisa, SRE Operations Devision, Suzanne Ramsey (10) ((1) Space Telescope Science Institute, Universita' di Pisa, University of Canterbury, Zentrum f\"ur Astronomie der Universit\"at Heidelberg

arxiv:1809.06866 v1 · 2018-09-18 · 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{S7PXZZGJRNTB6NL6YMBRX5S7CX}

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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	2026-05-18T00:02:15.672351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97df7ce4c98b661f357ec3031bf65f15d062572a06d384b66401128187e07393

Aliases

arxiv: 1809.06866 · arxiv_version: 1809.06866v1 · doi: 10.48550/arxiv.1809.06866 · pith_short_12: S7PXZZGJRNTB · pith_short_16: S7PXZZGJRNTB6NL6 · pith_short_8: S7PXZZGJ

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/S7PXZZGJRNTB6NL6YMBRX5S7CX \
  | 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: 97df7ce4c98b661f357ec3031bf65f15d062572a06d384b66401128187e07393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a3175222efde42a51a6f83db3231558e0f3f8ddd0af066d371f96116ae81ef",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-18T18:00:03Z",
    "title_canon_sha256": "bc15170c332650ea75d9a9d3a369f76e9234e843fc49ae5c7e0364a7dacde275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06866",
    "kind": "arxiv",
    "version": 1
  }
}