Pith Number

pith:QQSPXDRC

pith:2019:QQSPXDRCY462WW3QMHKM2ZEKV7

not attested not anchored not stored refs pending

Multifractal detrended moving average analysis of Kepler stars with surface differential rotation traces

D. B. de Freitas, J. G. Cordeiro, J. R. De Medeiros, M. L. das Chagas, M. M. F. Nepomuceno

arxiv:1906.11911 v1 · 2019-06-27 · 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{QQSPXDRCY462WW3QMHKM2ZEKV7}

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	2026-07-04T23:51:45.446996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8424fb8e22c73dab5b7061d4cd648aafce02ae9325a75085410808570c255051

Aliases

arxiv: 1906.11911 · arxiv_version: 1906.11911v1 · doi: 10.48550/arxiv.1906.11911 · pith_short_12: QQSPXDRCY462 · pith_short_16: QQSPXDRCY462WW3Q · pith_short_8: QQSPXDRC

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/QQSPXDRCY462WW3QMHKM2ZEKV7 \
  | 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: 8424fb8e22c73dab5b7061d4cd648aafce02ae9325a75085410808570c255051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1ab2bf979edab2a57c51def2e16513edec0c9efdd0da2ae1799928a1898431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-06-27T19:00:42Z",
    "title_canon_sha256": "9c9366d34825b299f651a5796141e6af30257ceaa7cb209739dbb74e389e8089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11911",
    "kind": "arxiv",
    "version": 1
  }
}