Pith Number

pith:K3QCO4KF

pith:2025:K3QCO4KFCTXQGIMVEL4Y3DK2CT

not attested not anchored not stored refs pending

Activity of low mass stars in the light of spot signature in the Fourier domain

Barbara Perri, Charly Pincon, Frederic Baudin, Lucie Degott, Reza Samadi

arxiv:2502.15329 v1 · 2025-02-21 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3QCO4KFCTXQGIMVEL4Y3DK2CT}

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	2026-07-05T10:46:00.561492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56e027714514ef03219522f98d8d5a14d0adc16196426332323d4b88b246b5e5

Aliases

arxiv: 2502.15329 · arxiv_version: 2502.15329v1 · doi: 10.48550/arxiv.2502.15329 · pith_short_12: K3QCO4KFCTXQ · pith_short_16: K3QCO4KFCTXQGIMV · pith_short_8: K3QCO4KF

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/K3QCO4KFCTXQGIMVEL4Y3DK2CT \
  | 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: 56e027714514ef03219522f98d8d5a14d0adc16196426332323d4b88b246b5e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "374ec250e40c8c2618cac911220c7af6f3aa0ac3d36716031b7bd83dfd20159f",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-21T09:32:15Z",
    "title_canon_sha256": "9035476505e31845c56e12c42a8afc93fa6b557c7b16346f0536f059bc3f3a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.15329",
    "kind": "arxiv",
    "version": 1
  }
}