Pith Number

pith:KG52PQZV

pith:2024:KG52PQZVXC5YVLUZ7TPM6UG4GV

not attested not anchored not stored refs pending

X-Shooting ULLYSES: Massive stars at low metallicity -- V. Effect of metallicity on surface abundances of O stars

(10) University of Munich, (11) University of Heidelberg, (12) Armagh Observatory, (2) CNRS & University of Aix-Marseille, (3) University of Pittsburgh, (4) University of Amsterdam, (5) University of Sheffield, (6) IAC, 7), (7) University of La Laguna, (8) CSIC-INTA, (9) University of Potsdam, A.A.C. Sander (11), A. Herrero (6, D.J. Hillier (3), D. Pauli (9), F. Martins (1), F. Najarro (8), J.-C. Bouret (2), J. Puls (10), J.S. Vink (12), P.A. Crowther (5), Planetarium), S.A. Brands (4), the XshootU collaboration ((1) CNRS & University of Montpellier, V. Ramachandran (11)

arxiv:2405.01267 v1 · 2024-05-02 · 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{KG52PQZVXC5YVLUZ7TPM6UG4GV}

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	2026-07-05T08:14:43.027662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51bba7c335b8bb8aae99fcdecf50dc3556c5750db54783026f9c677ebf783472

Aliases

arxiv: 2405.01267 · arxiv_version: 2405.01267v1 · doi: 10.48550/arxiv.2405.01267 · pith_short_12: KG52PQZVXC5Y · pith_short_16: KG52PQZVXC5YVLUZ · pith_short_8: KG52PQZV

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/KG52PQZVXC5YVLUZ7TPM6UG4GV \
  | 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: 51bba7c335b8bb8aae99fcdecf50dc3556c5750db54783026f9c677ebf783472

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce44d5f03f112aa8ccc48a370946a7485d60c662e9848b064f53f7432716e9d2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-05-02T13:16:13Z",
    "title_canon_sha256": "58486d0c2cae1ef7c11b101dad1c87c56bd87fe4fca8f90d74ba16b2bbdbe373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.01267",
    "kind": "arxiv",
    "version": 1
  }
}