Pith Number

pith:FWO7ZARK

pith:2021:FWO7ZARK35QSNFBQVPGLMWMUVD

not attested not anchored not stored refs pending

A New Method for Estimating Starspot Lifetimes Based on Autocorrelation Functions

Connor McWard, Gibor Basri, Joanne Tan, Lawrence Edmond IV, Minjoo Lee, Trey Melton, Tristan Streichenberger

arxiv:2110.13284 v1 · 2021-10-25 · 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{FWO7ZARK35QSNFBQVPGLMWMUVD}

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

The Maunder Model and Catalog: Stellar Rotation, Bimodal Activity, and Magnetic Braking in Kepler Main-Sequence Stars

Receipt and verification

First computed	2026-07-05T03:49:22.821656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d9dfc822adf61269430abccb65994a8fe604a0d2959ebb3b67ffbc506fff34a

Aliases

arxiv: 2110.13284 · arxiv_version: 2110.13284v1 · doi: 10.48550/arxiv.2110.13284 · pith_short_12: FWO7ZARK35QS · pith_short_16: FWO7ZARK35QSNFBQ · pith_short_8: FWO7ZARK

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/FWO7ZARK35QSNFBQVPGLMWMUVD \
  | 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: 2d9dfc822adf61269430abccb65994a8fe604a0d2959ebb3b67ffbc506fff34a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c94ef026ecf614285a93ef6ee7eedf6215afe135082798a25bcc576d6ee03fb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-10-25T21:50:23Z",
    "title_canon_sha256": "560c4ff9c891b70faff54143b8330301f1b0f43698c7345bd7419041cf5c0d09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13284",
    "kind": "arxiv",
    "version": 1
  }
}