Pith Number

pith:354WVJAR

pith:2022:354WVJARABXM4QZYD3A2KOZKKH

not attested not anchored not stored refs pending

The Nature of Unseen Companions in Massive Single-Line Spectroscopic Binaries

Abigail J. Frost, Calum Hawcroft, C. Eldridge, Dominic M. Bowman, Gareth Banyard, Hugues Sana, Julia Bodensteiner, Karan Dsilva, Koushik Sen, Laurent Mahy, Matthias Fabry, Michael Abdul-Masih, Norbert Langer, Pablo Marchant, Soetkin Janssens, Timothy Van Reeth, Tomer Shenar

arxiv:2209.06287 v1 · 2022-09-13 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{354WVJARABXM4QZYD3A2KOZKKH}

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	2026-07-05T04:57:28.744800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df796aa411006ece43381ec1a53b2a51cf725de24200556c2192f86592ea9653

Aliases

arxiv: 2209.06287 · arxiv_version: 2209.06287v1 · doi: 10.48550/arxiv.2209.06287 · pith_short_12: 354WVJARABXM · pith_short_16: 354WVJARABXM4QZY · pith_short_8: 354WVJAR

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/354WVJARABXM4QZYD3A2KOZKKH \
  | 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: df796aa411006ece43381ec1a53b2a51cf725de24200556c2192f86592ea9653

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcfeecb7005cca2dcd2d7108ad4584c86cdf0340114611a9fc3e23027eb88a17",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-09-13T20:29:18Z",
    "title_canon_sha256": "d7844cd291984b794b59cfe024f68d9f1016c9546ed085542ca47c68b5e91b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.06287",
    "kind": "arxiv",
    "version": 1
  }
}