Pith Number

pith:RMBYEL4I

pith:2018:RMBYEL4ID5IEXBK3B6XPJUH3VQ

not attested not anchored not stored refs pending

Are Starspots and Plages Co-Located on Active G and K Stars?

Brett M. Morris, Eric Agol, Jason L. Curtis, Marcel A. Ag\"ueros, Monica G. Bobra, Stephanie T. Douglas, Suzanne L. Hawley

arxiv:1809.04522 v1 · 2018-09-12 · 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{RMBYEL4ID5IEXBK3B6XPJUH3VQ}

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	2026-05-18T00:02:30.814668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b03822f881f504b855b0faef4d0fbac1ce9689399323b7127d8732cb0c2426e

Aliases

arxiv: 1809.04522 · arxiv_version: 1809.04522v1 · doi: 10.48550/arxiv.1809.04522 · pith_short_12: RMBYEL4ID5IE · pith_short_16: RMBYEL4ID5IEXBK3 · pith_short_8: RMBYEL4I

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/RMBYEL4ID5IEXBK3B6XPJUH3VQ \
  | 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: 8b03822f881f504b855b0faef4d0fbac1ce9689399323b7127d8732cb0c2426e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd526c2d92255301b21fd72803cb02f2ee6ce25caf11d7f67cff6700b9f08eb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-12T15:41:55Z",
    "title_canon_sha256": "296d3c7fde216eed3b0de31a4063625a71b8bfa0f1b437f119b601ca3714547e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04522",
    "kind": "arxiv",
    "version": 1
  }
}