Pith Number

pith:DFWHSAV5

pith:2013:DFWHSAV53B4RNFZTOH4K235ATO

not attested not anchored not stored refs pending

A general method for the determination of duration of solar cycle maxima

Stefano Sello

arxiv:1310.2835 v1 · 2013-10-10 · 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{DFWHSAV53B4RNFZTOH4K235ATO}

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	2026-05-18T03:10:46.547373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196c7902bdd87916973371f8ad6fa09b8d4b7d1582bf22186fa4210cb7acc740

Aliases

arxiv: 1310.2835 · arxiv_version: 1310.2835v1 · doi: 10.48550/arxiv.1310.2835 · pith_short_12: DFWHSAV53B4R · pith_short_16: DFWHSAV53B4RNFZT · pith_short_8: DFWHSAV5

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/DFWHSAV53B4RNFZTOH4K235ATO \
  | 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: 196c7902bdd87916973371f8ad6fa09b8d4b7d1582bf22186fa4210cb7acc740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c018bbf614faa07e5c9090a210a0442df54d5169299a7af65349fb070fe8d89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-10T14:27:07Z",
    "title_canon_sha256": "f0d5c7eedf56a0ec67e858d7768fed9fec7bab526b74f9eaca5260959c6dfa5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2835",
    "kind": "arxiv",
    "version": 1
  }
}