Pith Number

pith:C5A32ZQT

pith:2025:C5A32ZQTCSEUKYMTEGNKJC4LL4

not attested not anchored not stored refs pending

Discrete Chi-Square Method discovers solar forcing in El Ni\~no time series: The Pacific Ocean as a bolometer measuring the solar dynamo light curve in real-time

Lauri Jetsu

arxiv:2509.01540 v9 · 2025-09-01 · stat.ME

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5A32ZQTCSEUKYMTEGNKJC4LL4}

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	2026-07-07T02:18:27.976490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1741bd66131489456193219aa48b8b5f3fc3c39c24f7969dc5fc28a402311bb8

Aliases

arxiv: 2509.01540 · arxiv_version: 2509.01540v9 · doi: 10.48550/arxiv.2509.01540 · pith_short_12: C5A32ZQTCSEU · pith_short_16: C5A32ZQTCSEUKYMT · pith_short_8: C5A32ZQT

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/C5A32ZQTCSEUKYMTEGNKJC4LL4 \
  | 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: 1741bd66131489456193219aa48b8b5f3fc3c39c24f7969dc5fc28a402311bb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06572b4ea7cf489bb0c5d167ebec5676bbb8a677734921a17b29221f1cb4173",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-09-01T15:16:11Z",
    "title_canon_sha256": "d2425434c3b09ace84cc75ce9c4a5c35b79ab2009174c156558af93af2aa2d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01540",
    "kind": "arxiv",
    "version": 9
  }
}