Pith Number

pith:WL3S2X7P

pith:2019:WL3S2X7PLDOBJOBOWTC6YYA76V

not attested not anchored not stored refs pending

Surface rotation and photometric activity for Kepler targets I. M and K main-sequence stars

A. R. G. Santos, G. V. A. Simonian, J. L. van Saders, L. Bugnet, M. H. Pinsonneault, R. A. Garc\'ia, S. Mathur, T. S. Metcalfe

arxiv:1908.05222 v2 · 2019-08-14 · 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{WL3S2X7PLDOBJOBOWTC6YYA76V}

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.

Cited by

1 paper in Pith

Hints of enhanced magnetic activity after the intermediate rotation period gap as traced by the chromospheric Ca ii infrared triplet

Receipt and verification

First computed	2026-07-05T00:07:37.227138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f72d5fef58dc14b82eb4c5ec601ff572cae08c062b84cf337bfdfa7b905b23

Aliases

arxiv: 1908.05222 · arxiv_version: 1908.05222v2 · doi: 10.48550/arxiv.1908.05222 · pith_short_12: WL3S2X7PLDOB · pith_short_16: WL3S2X7PLDOBJOBO · pith_short_8: WL3S2X7P

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/WL3S2X7PLDOBJOBOWTC6YYA76V \
  | 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: b2f72d5fef58dc14b82eb4c5ec601ff572cae08c062b84cf337bfdfa7b905b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554dff29e0d1b7c69ada92596dc8da426f7f5f4624d93b127d4cd0ff320ac43a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-14T16:52:02Z",
    "title_canon_sha256": "a77325401cedc7231ae60c21236e0528442c2bb0c75c6febed68ad0f53d7ffc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05222",
    "kind": "arxiv",
    "version": 2
  }
}