Pith Number

pith:N22KTQV3

pith:2024:N22KTQV3HTAACRBYYPHXCYOHIR

not attested not anchored not stored refs pending

X-Shooting ULLYSES: Massive Stars at Low Metallicity

Aida Wofford, Alex Fullerton, Andreas Sander, Asif Ud-Doula, Brankica Kubatova, Christi Erba, Dominic Bowman, Fabrice Martins, Hugues Sana, Jacco van Loon, Jean-Claude Bouret, Jorick S. Vink, Lida Oskinova, Lucimara P. Martins, Miriam Garcia, Nicole St. Louis, Nidia Morrell, O. Grace Telford, Pablo Marchant, Paul Crowther, The XShootU Collaboration, Venu Kalari, Ylva G\"otberg

arxiv:2405.00085 v1 · 2024-04-30 · astro-ph.SR · astro-ph.CO · astro-ph.GA · astro-ph.HE · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N22KTQV3HTAACRBYYPHXCYOHIR}

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	2026-07-05T08:14:08.354684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eb4a9c2bb3cc0014438c3cf7161c744698f04fbb3194093ec8bff4dea9bdf0e

Aliases

arxiv: 2405.00085 · arxiv_version: 2405.00085v1 · doi: 10.48550/arxiv.2405.00085 · pith_short_12: N22KTQV3HTAA · pith_short_16: N22KTQV3HTAACRBY · pith_short_8: N22KTQV3

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/N22KTQV3HTAACRBYYPHXCYOHIR \
  | 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: 6eb4a9c2bb3cc0014438c3cf7161c744698f04fbb3194093ec8bff4dea9bdf0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7b6e7758e05066159539cb3db10b59f8569f9324a79a1b3b12756fc450a9ad7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-04-30T18:00:00Z",
    "title_canon_sha256": "fb3b944c22f534eb63b8ed320a25c12d69c4e679def37aa65d69a944038e5ef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.00085",
    "kind": "arxiv",
    "version": 1
  }
}