Pith Number

pith:A65SPSTW

pith:2011:A65SPSTW2PHWT34DYKAVLFB2NJ

not attested not anchored not stored refs pending

On cyclic activity of the Sun and solar-type stars

E. A. Bruevich, G. S. Ivanov-Kholodnyj

arxiv:1108.5432 v1 · 2011-08-27 · 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{A65SPSTW2PHWT34DYKAVLFB2NJ}

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	2026-05-18T04:05:47.134466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07bb27ca76d3cf69ef83c28155943a6a6d75f53b62c20de01a1beb757bf1439f

Aliases

arxiv: 1108.5432 · arxiv_version: 1108.5432v1 · doi: 10.48550/arxiv.1108.5432 · pith_short_12: A65SPSTW2PHW · pith_short_16: A65SPSTW2PHWT34D · pith_short_8: A65SPSTW

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/A65SPSTW2PHWT34DYKAVLFB2NJ \
  | 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: 07bb27ca76d3cf69ef83c28155943a6a6d75f53b62c20de01a1beb757bf1439f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c88e21828dcebd622f8a1d281755aeeec85134aaa7afdabf8c5800503039366",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-27T09:25:11Z",
    "title_canon_sha256": "e9e31c20640e8e8c6cf3d098887fe57ea04fa2ca70fa6ae61304ae2f01d3175c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5432",
    "kind": "arxiv",
    "version": 1
  }
}