Pith Number

pith:RZVCPZA7

pith:2017:RZVCPZA7F2KAPNHF75JA32XNJO

not attested not anchored not stored refs pending

On the Distinct Periodicities of Sunspot Counts in Flaring and Non-flaring Active Regions

Stefano Sello

arxiv:1707.01900 v1 · 2017-07-06 · 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{RZVCPZA7F2KAPNHF75JA32XNJO}

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	2026-05-18T00:40:45.867662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e6a27e41f2e9407b4e5ff520deaed4b98b27d8cabf47ffc95e59cf3a55935b2

Aliases

arxiv: 1707.01900 · arxiv_version: 1707.01900v1 · doi: 10.48550/arxiv.1707.01900 · pith_short_12: RZVCPZA7F2KA · pith_short_16: RZVCPZA7F2KAPNHF · pith_short_8: RZVCPZA7

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/RZVCPZA7F2KAPNHF75JA32XNJO \
  | 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: 8e6a27e41f2e9407b4e5ff520deaed4b98b27d8cabf47ffc95e59cf3a55935b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa0d75cf67c9e30e86a26708b6164fedb366a57e029fee53237aeebcf2bf5c48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-06T07:08:46Z",
    "title_canon_sha256": "c335b3b66fa83fef6762ec986245ef980367d511bf79d3e59d7c946d2fe7e272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01900",
    "kind": "arxiv",
    "version": 1
  }
}