Pith Number

pith:XQHTJWM2

pith:2015:XQHTJWM2OFSBVNTYMQPEOZCYWF

not attested not anchored not stored refs pending

The Solar Cycle

David H. Hathaway

arxiv:1502.07020 v1 · 2015-02-25 · 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{XQHTJWM2OFSBVNTYMQPEOZCYWF}

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.

Cited by

3 papers in Pith

Asteroseismology of solar-type stars

Wave interference as the origin of the cyclic magnetorotational dynamo in accretion disks: insights from weakly nonlinear theory and local shearing box simulations

Receipt and verification

First computed	2026-05-18T01:31:29.958191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc0f34d99a71641ab678641e476458b156061a3bce2cc10599ecd6ec3df5b70e

Aliases

arxiv: 1502.07020 · arxiv_version: 1502.07020v1 · doi: 10.48550/arxiv.1502.07020 · pith_short_12: XQHTJWM2OFSB · pith_short_16: XQHTJWM2OFSBVNTY · pith_short_8: XQHTJWM2

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/XQHTJWM2OFSBVNTYMQPEOZCYWF \
  | 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: bc0f34d99a71641ab678641e476458b156061a3bce2cc10599ecd6ec3df5b70e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b2b8c6f745f45b4add846b80cfcbf2130aa42c923c98d760a91224bb16f290",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-25T00:54:37Z",
    "title_canon_sha256": "d4bc2ca4509e26685279a1669c5defdba7811b52f2ddcc048059955ad5953a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07020",
    "kind": "arxiv",
    "version": 1
  }
}