Pith Number

pith:VETXU5B5

pith:2026:VETXU5B5PWXTKBNPV2DUCOD2NM

not attested not anchored not stored refs pending

Sensitivity of spectral lines to granulation: from the Sun to K-type stars

A. Collier Cameron, A. I. Shapiro, D. Vukadinovic, K. Sowmya, L. Gizon, N. Kostogryz, S. K. Solanki, T. Bhatia, V. Vasilyev, V. Witzke

arxiv:2605.20344 v1 · 2026-05-19 · 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{VETXU5B5PWXTKBNPV2DUCOD2NM}

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	2026-05-21T01:04:34.264336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9277a743d7daf3505afae8741387a6b3342838c066f6ade12a41af7d8c73ef0

Aliases

arxiv: 2605.20344 · arxiv_version: 2605.20344v1 · doi: 10.48550/arxiv.2605.20344 · pith_short_12: VETXU5B5PWXT · pith_short_16: VETXU5B5PWXTKBNP · pith_short_8: VETXU5B5

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/VETXU5B5PWXTKBNPV2DUCOD2NM \
  | 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: a9277a743d7daf3505afae8741387a6b3342838c066f6ade12a41af7d8c73ef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf7370b14e6d5c05c938f75ed0f558afc8e36b93e55f3d98d50092fb0cce2eb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-19T18:01:57Z",
    "title_canon_sha256": "31a3b517240d92a4811dd7f0609021ac4e9c8e3a12926eb0cd240a0f57c4a6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20344",
    "kind": "arxiv",
    "version": 1
  }
}