Pith Number

pith:7QZ4NYQF

pith:2019:7QZ4NYQFPJYKDVELDORLKBRZX6

not attested not anchored not stored refs pending

The Tarantula Massive Binary Monitoring: III. Atmosphere analysis of double-lined spectroscopic systems

A. de Koter, A. F. J. Moffat, C. J. Evans, D. J. Lennon, F. R. N. Schneider, F. Tramper, G. Gr\"afener, H. Sana, J. S. Clark, J. S. Vink, L. A. Almeida, L. Mahy, M. Abdul-Masih, N. J. Grin, N. Langer, P. Crowther, R. Barb\'a, S. de Wit, S. E. de Mink, T. Shenar

arxiv:1912.08107 v1 · 2019-12-14 · 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{7QZ4NYQFPJYKDVELDORLKBRZX6}

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	2026-07-05T00:43:44.089379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc33c6e2057a70a1d48b1ba2b50639bf878728bc454b942398261f5a150c2272

Aliases

arxiv: 1912.08107 · arxiv_version: 1912.08107v1 · doi: 10.48550/arxiv.1912.08107 · pith_short_12: 7QZ4NYQFPJYK · pith_short_16: 7QZ4NYQFPJYKDVEL · pith_short_8: 7QZ4NYQF

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/7QZ4NYQFPJYKDVELDORLKBRZX6 \
  | 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: fc33c6e2057a70a1d48b1ba2b50639bf878728bc454b942398261f5a150c2272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c8c034f8d73d979f89f87b5b52bfb5fe1f9e6861a0c0a2b2606627e999b110c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-12-14T13:36:30Z",
    "title_canon_sha256": "a8277427a814efec5cc2577591af29a8ed305ffcaa70021f4e870a51fc999d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.08107",
    "kind": "arxiv",
    "version": 1
  }
}