Pith Number

pith:QAC4VCBT

pith:2010:QAC4VCBTBPYVLJDTEVUVY5XGAL

not attested not anchored not stored refs pending

Secular variation of hemispheric phase differences in the solar cycle

D.I. Ponyavin, I. Tuominen, N.V. Zolotova, R. Arlt

arxiv:1009.5889 v1 · 2010-09-29 · 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{QAC4VCBTBPYVLJDTEVUVY5XGAL}

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	2026-05-18T02:05:13.575713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8005ca88330bf155a47325695c76e602c77e7a86fb378b7ca98e9900bfee6b7e

Aliases

arxiv: 1009.5889 · arxiv_version: 1009.5889v1 · doi: 10.48550/arxiv.1009.5889 · pith_short_12: QAC4VCBTBPYV · pith_short_16: QAC4VCBTBPYVLJDT · pith_short_8: QAC4VCBT

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/QAC4VCBTBPYVLJDTEVUVY5XGAL \
  | 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: 8005ca88330bf155a47325695c76e602c77e7a86fb378b7ca98e9900bfee6b7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b608ac42092ed77c616012c138ec9f86b158e96699eeb3b4d4e26bcb9054e1f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-29T14:10:14Z",
    "title_canon_sha256": "3ec3016f450345f691a2d2eb7a58d26de2176f451d7a7129f7e21af3e59fdf05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5889",
    "kind": "arxiv",
    "version": 1
  }
}