pith. sign in
Pith Number

pith:YFI67XBW

pith:2018:YFI67XBWB256GQWLYVZWMUFSYH
not attested not anchored not stored refs pending

Flares in Open Clusters with K2. I. M45 (Pleiades), M44 (Praesepe) and M67

Ekaterina Ilin, James R. A. Davenport, Klaus G. Strassmeier, Sarah J. Schmidt

arxiv:1812.06725 v1 · 2018-12-17 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YFI67XBWB256GQWLYVZWMUFSYH}

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 2026-05-17T23:54:08.164548Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c151efdc360ebbe342cbc5736650b2c1c5b843f37923f67c944e8ddaf52d9332

Aliases

arxiv: 1812.06725 · arxiv_version: 1812.06725v1 · doi: 10.48550/arxiv.1812.06725 · pith_short_12: YFI67XBWB256 · pith_short_16: YFI67XBWB256GQWL · pith_short_8: YFI67XBW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YFI67XBWB256GQWLYVZWMUFSYH \
  | 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: c151efdc360ebbe342cbc5736650b2c1c5b843f37923f67c944e8ddaf52d9332
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "94cee5fe9009b859b9c292e0858448d403d4fce5ce9f08fb993fa20da364bed1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-17T12:12:43Z",
    "title_canon_sha256": "3bfb9605308f37bd384f0c2872b39ab17d0d0c1c028273053e9b5977c8eae584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06725",
    "kind": "arxiv",
    "version": 1
  }
}