Pith Number

pith:2TMFI3W7

pith:2022:2TMFI3W7SRYJ4QSHZ3GHM6XGWR

not attested not anchored not stored refs pending

Analytic model for photometric variation due to starspots on a differentially rotating star

Othman Benomar, Shin Sasaki, Yasushi Suto, Yuta Nakagawa

arxiv:2205.04836 v1 · 2022-05-10 · astro-ph.SR · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TMFI3W7SRYJ4QSHZ3GHM6XGWR}

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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	2026-07-05T04:48:51.688897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d8546edf94709e4247cecc767ae6b475732e4c2d2156a05dcab422959bb6b0

Aliases

arxiv: 2205.04836 · arxiv_version: 2205.04836v1 · doi: 10.48550/arxiv.2205.04836 · pith_short_12: 2TMFI3W7SRYJ · pith_short_16: 2TMFI3W7SRYJ4QSH · pith_short_8: 2TMFI3W7

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/2TMFI3W7SRYJ4QSHZ3GHM6XGWR \
  | 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: d4d8546edf94709e4247cecc767ae6b475732e4c2d2156a05dcab422959bb6b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f08e934a9d54f2923ef2f1a0058f56d5e2b7bde290169c648be1eb4362c1e95c",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-05-10T12:20:50Z",
    "title_canon_sha256": "51318e79e6ca7bfb5906c14aa404fbf2a96732dec1a50aeb8f7b318f637382ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04836",
    "kind": "arxiv",
    "version": 1
  }
}