Pith Number

pith:5VNQYMZT

pith:2023:5VNQYMZTC32FSUNEOSCYZWT3HO

not attested not anchored not stored refs pending

X-Shooting ULLYSES: Massive stars at low metallicity. III. Terminal wind speeds of ULLYSES massive stars

A.A.C. Sander, A. David-Uraz, A. de Koter, A. Herrero, A. Moffat, A. ud-Doula, B. Kub\'atov\'a, C. Erba, C. Hawcroft, D. Pauli, F. Najarro, H. Sana, J.M. Bestenlehner, J.O. Sundqvist, J. Puls, J. S. Vink, L. Decin, L. Mahy, L. Oskinova, M. Garcia, N. D. Kee, N. St-Louis, P.A. Crowther, R. Ignace, R. Lefever, R. Prinja, S.A. Brands, T. Shenar, W.-R. Hamann

arxiv:2303.12165 v2 · 2023-03-21 · 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{5VNQYMZTC32FSUNEOSCYZWT3HO}

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	2026-07-05T08:54:41.574466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed5b0c333316f45951a474858cda7b3baa9ceabcafe058cf11dc5db4ddd4889f

Aliases

arxiv: 2303.12165 · arxiv_version: 2303.12165v2 · doi: 10.48550/arxiv.2303.12165 · pith_short_12: 5VNQYMZTC32F · pith_short_16: 5VNQYMZTC32FSUNE · pith_short_8: 5VNQYMZT

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/5VNQYMZTC32FSUNEOSCYZWT3HO \
  | 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: ed5b0c333316f45951a474858cda7b3baa9ceabcafe058cf11dc5db4ddd4889f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634d58a6f37baddfef28b990391ac83372af7627d0400876db273b8904439ab3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-03-21T19:46:22Z",
    "title_canon_sha256": "4d04aaafed313348b4690bb49138ce3575d69d8622867bc2279460d73eee3e41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12165",
    "kind": "arxiv",
    "version": 2
  }
}