pith. sign in
Pith Number

pith:6XUW4E4Q

pith:2015:6XUW4E4QP377TXUAGYMDT2ULVH
not attested not anchored not stored refs pending

Detecting Differential Rotation and Starspot Evolution on the M dwarf GJ 1243 with Kepler

James R. A. Davenport, Leslie Hebb, Suzanne L. Hawley

arxiv:1505.01524 v1 · 2015-05-06 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6XUW4E4QP377TXUAGYMDT2ULVH}

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 2026-05-18T02:16:48.614351Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f5e96e13907efff9de80361839ea8ba9d9c4bb57eb1dcc5896a265935544cc27

Aliases

arxiv: 1505.01524 · arxiv_version: 1505.01524v1 · doi: 10.48550/arxiv.1505.01524 · pith_short_12: 6XUW4E4QP377 · pith_short_16: 6XUW4E4QP377TXUA · pith_short_8: 6XUW4E4Q
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6XUW4E4QP377TXUAGYMDT2ULVH \
  | 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: f5e96e13907efff9de80361839ea8ba9d9c4bb57eb1dcc5896a265935544cc27
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3ff827d7d32650a546cc79b8b3746875a9c55e09dd28a1f36570e24273bb8475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-06T21:54:07Z",
    "title_canon_sha256": "1f87b644e2fa1bb4b82d858017d92116056549b5ef61fc50f4979b2e65821912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01524",
    "kind": "arxiv",
    "version": 1
  }
}