Pith Number

pith:WX4B2PYC

pith:2018:WX4B2PYCKC5XQ2P7722HRYEU2T

not attested not anchored not stored refs pending

Detection of magnetic fields in chemically peculiar stars observed with the K2 space mission

A.J. Martin, B. Buysschaert, C. Aerts, C. Neiner, D.M. Bowman, M.E. Oksala, T. Van Reeth

arxiv:1805.00781 v1 · 2018-05-02 · 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{WX4B2PYCKC5XQ2P7722HRYEU2T}

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	2026-05-18T00:11:34.089488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f81d3f0250bb7869fffeb478e094d4ee9237ee94c37887c660d966f2d9b93d

Aliases

arxiv: 1805.00781 · arxiv_version: 1805.00781v1 · doi: 10.48550/arxiv.1805.00781 · pith_short_12: WX4B2PYCKC5X · pith_short_16: WX4B2PYCKC5XQ2P7 · pith_short_8: WX4B2PYC

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/WX4B2PYCKC5XQ2P7722HRYEU2T \
  | 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: b5f81d3f0250bb7869fffeb478e094d4ee9237ee94c37887c660d966f2d9b93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b3a70aa0c0638c5ec48ae9a7314305d9e7470ad11226defdb83b1dbc9ec09d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-02T13:15:06Z",
    "title_canon_sha256": "7f61ddc7e74a711917377d558cb18997f755dcf04aedca2813e5a5e71444f1cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00781",
    "kind": "arxiv",
    "version": 1
  }
}