Pith Number

pith:4DOPKPPU

pith:2016:4DOPKPPU7HHKI4R7CD27YJQT52

not attested not anchored not stored refs pending

Torsional oscillations and observed rotational period variations in early-type stars

G. W. Henry, J. Krticka, M. Karlicky, P. Kurfurst, Z. Mikulasek

arxiv:1609.07914 v1 · 2016-09-26 · 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{4DOPKPPU7HHKI4R7CD27YJQT52}

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	2026-05-18T00:48:47.115244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0dcf53df4f9cea4723f10f5fc2613eead6356b6aab1fb1103eb7ffaaae50d11

Aliases

arxiv: 1609.07914 · arxiv_version: 1609.07914v1 · doi: 10.48550/arxiv.1609.07914 · pith_short_12: 4DOPKPPU7HHK · pith_short_16: 4DOPKPPU7HHKI4R7 · pith_short_8: 4DOPKPPU

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/4DOPKPPU7HHKI4R7CD27YJQT52 \
  | 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: e0dcf53df4f9cea4723f10f5fc2613eead6356b6aab1fb1103eb7ffaaae50d11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cc7f7dc6de402e7155ee3998c7012f1e22a026f059c46588a89a436a9bebb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-26T10:22:55Z",
    "title_canon_sha256": "b48ac4477b8aa9883e7e88b2823638c1fe12c034e1f925244054b939eaf28bda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07914",
    "kind": "arxiv",
    "version": 1
  }
}