Pith Number

pith:IZ2F6EWB

pith:2013:IZ2F6EWBWKZWDTLRQ6CTW5NYU6

not attested not anchored not stored refs pending

Fluctuations in the Alpha-Effect and Grand Solar Minima

A. R. Choudhuri, L. L. Kitchatinov, S. V. Olemskoy

arxiv:1305.2660 v1 · 2013-05-13 · 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{IZ2F6EWBWKZWDTLRQ6CTW5NYU6}

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	2026-05-18T03:25:57.213177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46745f12c1b2b361cd7187853b75b8a79806babc6a7a39ab87b2a5a50e436593

Aliases

arxiv: 1305.2660 · arxiv_version: 1305.2660v1 · doi: 10.48550/arxiv.1305.2660 · pith_short_12: IZ2F6EWBWKZW · pith_short_16: IZ2F6EWBWKZWDTLR · pith_short_8: IZ2F6EWB

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/IZ2F6EWBWKZWDTLRQ6CTW5NYU6 \
  | 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: 46745f12c1b2b361cd7187853b75b8a79806babc6a7a39ab87b2a5a50e436593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5f42370c2c0d7a6c76f97684e001bd355f091d3174516201125b0a31efec9e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-13T02:53:45Z",
    "title_canon_sha256": "99bb3de8d7f4da5a59262225160f0b85ce46b05fe88eb606ca2544d883f39b2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2660",
    "kind": "arxiv",
    "version": 1
  }
}