Pith Number

pith:NUO3FM22

pith:2025:NUO3FM22ZWLLQGTBDV7OJDQEAI

not attested not anchored not stored refs pending

Southern massive stars at high angular resolution. Physical separations and mass ratios

A. de Koter, F. Tramper, H. Sana, T. Pauwels

arxiv:2509.18431 v2 · 2025-09-22 · 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{NUO3FM22ZWLLQGTBDV7OJDQEAI}

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.

Cited by

2 papers in Pith

Southern Massive Stars at High Angular Resolution (SMaSH+): Properties of hierarchical massive triples

Star cluster formation from turbulent clumps. V. Stellar clustering around massive stars

Receipt and verification

First computed	2026-06-03T01:05:45.183290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1db2b35acd96b81a611d7ee48e040237a66a014e793663d90d7c38355d8db0

Aliases

arxiv: 2509.18431 · arxiv_version: 2509.18431v2 · doi: 10.48550/arxiv.2509.18431 · pith_short_12: NUO3FM22ZWLL · pith_short_16: NUO3FM22ZWLLQGTB · pith_short_8: NUO3FM22

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/NUO3FM22ZWLLQGTBDV7OJDQEAI \
  | 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: 6d1db2b35acd96b81a611d7ee48e040237a66a014e793663d90d7c38355d8db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd68944702d57d0e9771f189d98659c75a369f219d8ce778da53d809fa6fdcc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-09-22T21:30:04Z",
    "title_canon_sha256": "76771c76b22caa44322bd4de6692d9ad12989dad5bfee3b56b54b86ebcd575e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.18431",
    "kind": "arxiv",
    "version": 2
  }
}