Pith Number

pith:GBKQAOM6

pith:2015:GBKQAOM6ETMZTNHKK6FJOFNRWR

not attested not anchored not stored refs pending

Short-period stellar activity cycles with Kepler photometry

Colin P. Johnstone, Helmut Lammer, Manuel G\"udel, Maxim L. Khodachenko, Oleksiy V. Arkhypov, Theresa L\"uftinger

arxiv:1506.05725 v1 · 2015-06-18 · 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{GBKQAOM6ETMZTNHKK6FJOFNRWR}

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	2026-05-18T01:36:52.758086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

305500399e24d999b4ea578a9715b1b45af7813a579273b9ae2d98e5be0dfa5f

Aliases

arxiv: 1506.05725 · arxiv_version: 1506.05725v1 · doi: 10.48550/arxiv.1506.05725 · pith_short_12: GBKQAOM6ETMZ · pith_short_16: GBKQAOM6ETMZTNHK · pith_short_8: GBKQAOM6

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/GBKQAOM6ETMZTNHKK6FJOFNRWR \
  | 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: 305500399e24d999b4ea578a9715b1b45af7813a579273b9ae2d98e5be0dfa5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86d84b45a92f708f2e33614aa088d1a3b66584a204e65104488182b82f9c735",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-18T15:50:03Z",
    "title_canon_sha256": "d4b57d61888a832decd2576c422f51d88b869d1eb2262de613fe6bb214ccac06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05725",
    "kind": "arxiv",
    "version": 1
  }
}