Pith Number

pith:AZ7SHYK5

pith:2013:AZ7SHYK5LULWLETJ2NNKJSHHYS

not attested not anchored not stored refs pending

A Comparison of Solar Cycle Variations in the Equatorial Rotation Rates of the Sun's Subsurface, Surface, Corona, and Sunspot Groups

J. Javaraiah

arxiv:1306.2151 v2 · 2013-06-10 · 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{AZ7SHYK5LULWLETJ2NNKJSHHYS}

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	2026-05-18T03:17:33.746689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

067f23e15d5d17659269d35aa4c8e7c4bcd2dcf0ed1ddff2c51e68669dc5c605

Aliases

arxiv: 1306.2151 · arxiv_version: 1306.2151v2 · doi: 10.48550/arxiv.1306.2151 · pith_short_12: AZ7SHYK5LULW · pith_short_16: AZ7SHYK5LULWLETJ · pith_short_8: AZ7SHYK5

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/AZ7SHYK5LULWLETJ2NNKJSHHYS \
  | 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: 067f23e15d5d17659269d35aa4c8e7c4bcd2dcf0ed1ddff2c51e68669dc5c605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed888a3ea58a4f9b22a22eb3a62039d9b821f5be62f9a6d52ac96735dad71d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-10T09:45:12Z",
    "title_canon_sha256": "f5c6841d8bd3567a31704ae947cdb9b808e65ddd0af40a2ab926d51d59b3ecae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2151",
    "kind": "arxiv",
    "version": 2
  }
}