Pith Number

pith:XSQOE3GT

pith:2018:XSQOE3GT3D5PGL7YH6FPKDMOB6

not attested not anchored not stored refs pending

On Midrange Periodicities in Solar Radio Flux and Sunspot Areas

Feng Wang, Hui Deng, Ying Mei

arxiv:1811.04650 v1 · 2018-11-12 · 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{XSQOE3GT3D5PGL7YH6FPKDMOB6}

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	2026-05-18T00:00:17.577869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca0e26cd3d8faf32ff83f8af50d8e0f8d83690146e3c46347004fd05080eba6

Aliases

arxiv: 1811.04650 · arxiv_version: 1811.04650v1 · doi: 10.48550/arxiv.1811.04650 · pith_short_12: XSQOE3GT3D5P · pith_short_16: XSQOE3GT3D5PGL7Y · pith_short_8: XSQOE3GT

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/XSQOE3GT3D5PGL7YH6FPKDMOB6 \
  | 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: bca0e26cd3d8faf32ff83f8af50d8e0f8d83690146e3c46347004fd05080eba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db177bdaf0c2820425bcbbb2bd58d2a3a086dc6cdbd099c4cfc15866abaf435",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-12T10:47:50Z",
    "title_canon_sha256": "c5110f7d63d06e3c599eba26bbf6ab144fc21cc14669bb53cd88cf644ca5025b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04650",
    "kind": "arxiv",
    "version": 1
  }
}