Pith Number

pith:ZUM4RPCN

pith:2018:ZUM4RPCNZSA5ZYXZQTYH42B5EV

not attested not anchored not stored refs pending

K2 observations of the rapidly oscillating Ap star 33 Lib (HD 137949): new frequencies and unique non-linear interactions

Daniel L. Holdsworth, Dominic M. Bowman, Donald W. Kurtz, Hiromoto Shibahashi, Margarida S. Cunha

arxiv:1807.10533 v1 · 2018-07-27 · 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{ZUM4RPCNZSA5ZYXZQTYH42B5EV}

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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.

Cited by

1 paper in Pith

Modeling of the magnetic stellar wind braking of the ssrAp 33 Lib (HD137949)

Receipt and verification

First computed	2026-05-18T00:08:37.667325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd19c8bc4dcc81dce2f984f07e683d256a9b1f84d83bd9447de586fe91390138

Aliases

arxiv: 1807.10533 · arxiv_version: 1807.10533v1 · doi: 10.48550/arxiv.1807.10533 · pith_short_12: ZUM4RPCNZSA5 · pith_short_16: ZUM4RPCNZSA5ZYXZ · pith_short_8: ZUM4RPCN

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/ZUM4RPCNZSA5ZYXZQTYH42B5EV \
  | 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: cd19c8bc4dcc81dce2f984f07e683d256a9b1f84d83bd9447de586fe91390138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "953746d0b2a2ed7f5e41504f94292fa9b2390fe336880d5abc44c9b1e3252da1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-27T11:00:39Z",
    "title_canon_sha256": "8753e62d6eeb2b7d375e61a696bcd870d9ed3e3303288c6b4ee3e54430105128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10533",
    "kind": "arxiv",
    "version": 1
  }
}