Pith Number

pith:LQTYLOJF

pith:2026:LQTYLOJFJVD2ZTTW7YMQWOTOMG

not attested not anchored not stored refs pending

Towards understanding stellar variability at the sub m/s level: granulation-induced variability across the optical spectrum

Alexander Shapiro, Christopher Watson, Cis Lagae, Ginger Frame, Heather M. Cegla, Ren\'e Holzreuter, Sergiy Shelyag, Veronika Witzke

arxiv:2608.02240 v1 · 2026-08-03 · 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{LQTYLOJFJVD2ZTTW7YMQWOTOMG}

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	2026-08-04T02:11:28.550992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c2785b9254d47acce76fe190b3a6e61954a0ba2bdb9827664087700d7242f7b

Aliases

arxiv: 2608.02240 · arxiv_version: 2608.02240v1 · doi: 10.48550/arxiv.2608.02240 · pith_short_12: LQTYLOJFJVD2 · pith_short_16: LQTYLOJFJVD2ZTTW · pith_short_8: LQTYLOJF

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/LQTYLOJFJVD2ZTTW7YMQWOTOMG \
  | 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: 5c2785b9254d47acce76fe190b3a6e61954a0ba2bdb9827664087700d7242f7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f020903111760300e6b40f6d25b78ea3d72d2aa4c3cd3905fb3903fdedbaa63b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-08-03T13:52:25Z",
    "title_canon_sha256": "af4ccd8c7cf9bcdb6286e0fbf129173b33a257d694681bab726d889c9fda26ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02240",
    "kind": "arxiv",
    "version": 1
  }
}