Pith Number

pith:UIIP7BHU

pith:2018:UIIP7BHUNVAFEX7QAVGR45WPLJ

not attested not anchored not stored refs pending

Midterm Periodicity Analysis of the Mount Wilson Magnetic Indices Using the Synchrosqueezing Transform

Feng Wang, Hui Deng, Lan Yu, Song Feng, Yunfei Yang

arxiv:1803.07893 v1 · 2018-03-21 · 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{UIIP7BHUNVAFEX7QAVGR45WPLJ}

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	2026-05-18T00:20:28.606597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a210ff84f46d40525ff0054d1e76cf5a59adfad1a9ce1f9422cd68d4d2df1156

Aliases

arxiv: 1803.07893 · arxiv_version: 1803.07893v1 · doi: 10.48550/arxiv.1803.07893 · pith_short_12: UIIP7BHUNVAF · pith_short_16: UIIP7BHUNVAFEX7Q · pith_short_8: UIIP7BHU

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/UIIP7BHUNVAFEX7QAVGR45WPLJ \
  | 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: a210ff84f46d40525ff0054d1e76cf5a59adfad1a9ce1f9422cd68d4d2df1156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee2a93bc9557ffd24fd1d03a59d350b1c564931936bd2c472be7d782412db0f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-21T13:04:26Z",
    "title_canon_sha256": "ef0c2696579208a73ffcdd7b15d576b8bae48a2836c349d4e7f897d5ec31af4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07893",
    "kind": "arxiv",
    "version": 1
  }
}