Pith Number

pith:Q5NRVW4Q

pith:2017:Q5NRVW4QRLQY3VKRNLH72W237Q

not attested not anchored not stored refs pending

Estimating activity cycles with probabilistic methods I. Bayesian Generalised Lomb-Scargle Periodogram with Trend

J. Lehtinen, J. Pelt, M. J. K\"apyl\"a, N. Olspert

arxiv:1712.08235 v2 · 2017-12-21 · astro-ph.SR · astro-ph.IM · stat.AP · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5NRVW4QRLQY3VKRNLH72W237Q}

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	2026-05-18T00:09:53.848043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875b1adb908ae18dd5516acffd5b5bfc342c09cbe90bd44fe9dba425da82f762

Aliases

arxiv: 1712.08235 · arxiv_version: 1712.08235v2 · doi: 10.48550/arxiv.1712.08235 · pith_short_12: Q5NRVW4QRLQY · pith_short_16: Q5NRVW4QRLQY3VKR · pith_short_8: Q5NRVW4Q

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/Q5NRVW4QRLQY3VKRNLH72W237Q \
  | 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: 875b1adb908ae18dd5516acffd5b5bfc342c09cbe90bd44fe9dba425da82f762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7386d937a9c5adc23801fb651e3ee18980e58f3cdbb91be9b278ed9d7126e60e",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-21T22:16:14Z",
    "title_canon_sha256": "b1d01ddd41d27c008de9d287748b6fde6fdfedd9244f938017e587da0a4bc70e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08235",
    "kind": "arxiv",
    "version": 2
  }
}