Pith Number

pith:QTZLA2BL

pith:2020:QTZLA2BLHWLEV45RLAA226JVAX

not attested not anchored not stored refs pending

The VLT-FLAMES Tarantula Survey XXXII. Low-luminosity late O-type stars -- classification, main physical parameters, and silicon abundances

A. de Koter, C. J. Evans, D. J. Lennon, H. Sana, J. Puls, J. S. Vink, N. Markova, O. H. Ramirez-Agudelo, P. L. Dufton

arxiv:2001.01451 v1 · 2020-01-06 · 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{QTZLA2BLHWLEV45RLAA226JVAX}

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

1 paper in Pith

Stellar winds of O-type stars traced by high ionization fine-structure emission lines with JWST/MIRI

Receipt and verification

First computed	2026-07-05T00:38:30.050677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84f2b0682b3d964af3b15801ad793505cd99898b41eff47c10fde4922f187f17

Aliases

arxiv: 2001.01451 · arxiv_version: 2001.01451v1 · doi: 10.48550/arxiv.2001.01451 · pith_short_12: QTZLA2BLHWLE · pith_short_16: QTZLA2BLHWLEV45R · pith_short_8: QTZLA2BL

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/QTZLA2BLHWLEV45RLAA226JVAX \
  | 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: 84f2b0682b3d964af3b15801ad793505cd99898b41eff47c10fde4922f187f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a61dd5110b665d1ff44a6102914fe5cbc432926dff2faba41543c3a1b56b6d3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-06T09:36:14Z",
    "title_canon_sha256": "81eb09c733f8ca9957ac1eee33c70a8d7aef9058464fc6e7338f23598c184759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01451",
    "kind": "arxiv",
    "version": 1
  }
}