pith. sign in
Pith Number

pith:4SZ7PARN

pith:2018:4SZ7PARNVQCQ7RRFL3GXRLLF57
not attested not anchored not stored refs pending

A search for radius inflation among active M-dwarfs in Praesepe

(2) Department of Astronomy, (3) Harvard-Smithsonian Center for Astrophysics), Constantine P. Deliyannis (2), Indiana University, Keele University, Qinghui Sun (2), R.D. Jeffries (1), R.J. Jackson (1), Stephanie T. Douglas (3) ((1) Astrophysics Group

arxiv:1811.11232 v1 · 2018-11-27 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4SZ7PARNVQCQ7RRFL3GXRLLF57}

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 2026-05-17T23:58:01.486937Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e4b3f7822dac050fc6255ecd78ad65efc25d5e52314bef4abc55b5cf50e2d40f

Aliases

arxiv: 1811.11232 · arxiv_version: 1811.11232v1 · doi: 10.48550/arxiv.1811.11232 · pith_short_12: 4SZ7PARNVQCQ · pith_short_16: 4SZ7PARNVQCQ7RRF · pith_short_8: 4SZ7PARN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4SZ7PARNVQCQ7RRFL3GXRLLF57 \
  | 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: e4b3f7822dac050fc6255ecd78ad65efc25d5e52314bef4abc55b5cf50e2d40f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a59ab843621a77f3dead063691eb8c35c476a570830592f42824859725352e92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-27T20:08:25Z",
    "title_canon_sha256": "0d0d3585ddcaa8b3e1be46fa3a49d6d52ea68431acda7d172213aa24c717651d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11232",
    "kind": "arxiv",
    "version": 1
  }
}