Pith Number

pith:2XQIANUP

pith:2015:2XQIANUPRQIJVFTKVMZ7C35QN4

not attested not anchored not stored refs pending

The VLT-FLAMES Tarantula Survey XVIII. Classifications and radial velocities of the B-type stars

A. de Koter, C. J. Evans, C. M. McEvoy, H. Sana, I. D. Howarth, J. Ma\'iz Apell\'aniz, J. S. Clark, J. S. Vink, M. B. Kennedy, N. Markova, N. R. Walborn, P. L. Dufton, P. R. Dunstall, S. E. de Mink, S. Sim\'on-D\'iaz, V. H\'enault-Brunet, W. D. Taylor

arxiv:1501.04108 v1 · 2015-01-16 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XQIANUPRQIJVFTKVMZ7C35QN4}

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	2026-05-18T01:41:10.499896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5e080368f8c109a966aab33f16fb06f20021e8062721954b9cf1d7c9a9f998c

Aliases

arxiv: 1501.04108 · arxiv_version: 1501.04108v1 · doi: 10.48550/arxiv.1501.04108 · pith_short_12: 2XQIANUPRQIJ · pith_short_16: 2XQIANUPRQIJVFTK · pith_short_8: 2XQIANUP

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/2XQIANUPRQIJVFTKVMZ7C35QN4 \
  | 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: d5e080368f8c109a966aab33f16fb06f20021e8062721954b9cf1d7c9a9f998c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721ea9a9340cacbb9ebd0dec373f47144158ae343a0c6acd1b1b9505c9efd0bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-16T21:00:10Z",
    "title_canon_sha256": "3d1404a2f27bbe569d285c19e2d854533bdd2492403c076ae633bd9af35caa85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04108",
    "kind": "arxiv",
    "version": 1
  }
}