Pith Number

pith:IUYS7K5C

pith:2026:IUYS7K5C5N7YNGYG6RCSGXPS3H

not attested not anchored not stored refs pending

Magnetic activity in cool stars: manifestations and relevance to exoplanets

A. Buccino, A. O. Farrish, A. Strugarek, A. Valio, D. Nandy, E. I\c{s}{\i}k, J. Alvarado-Gomez, K. Namekata, K. Poppenh\"ager, K. Vida, P. Figueira, S. J\"arvinen, T. Hackman

arxiv:2606.31617 v1 · 2026-06-30 · 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{IUYS7K5C5N7YNGYG6RCSGXPS3H}

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	2026-07-01T01:18:09.387083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45312faba2eb7f869b06f445235df2d9f93de882cbd212f024f4aab92a08414b

Aliases

arxiv: 2606.31617 · arxiv_version: 2606.31617v1 · doi: 10.48550/arxiv.2606.31617 · pith_short_12: IUYS7K5C5N7Y · pith_short_16: IUYS7K5C5N7YNGYG · pith_short_8: IUYS7K5C

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/IUYS7K5C5N7YNGYG6RCSGXPS3H \
  | 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: 45312faba2eb7f869b06f445235df2d9f93de882cbd212f024f4aab92a08414b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e2c9e7e7641a0bd8071374977863c662ccce5be98454d4f2accdb3b8ded300",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-30T13:05:31Z",
    "title_canon_sha256": "603a6c9745e17e8fea51431396a84ccfae490af3edfc77895d2bc7d9485e84da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31617",
    "kind": "arxiv",
    "version": 1
  }
}