Pith Number

pith:IELK6JMO

pith:2019:IELK6JMOALCUELUUDIHUPSHQNO

not attested not anchored not stored refs pending

North--South Asymmetry in Solar Activity and Solar Cycle Prediction, IV: Prediction for Lengths of Upcoming Solar Cycles

J. Javaraiah

arxiv:1904.11500 v1 · 2019-04-25 · 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{IELK6JMOALCUELUUDIHUPSHQNO}

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	2026-05-17T23:47:43.510836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4116af258e02c5422e941a0f47c8f06ba14b6e5555b23afdfe3064dc5c011584

Aliases

arxiv: 1904.11500 · arxiv_version: 1904.11500v1 · doi: 10.48550/arxiv.1904.11500 · pith_short_12: IELK6JMOALCU · pith_short_16: IELK6JMOALCUELUU · pith_short_8: IELK6JMO

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/IELK6JMOALCUELUUDIHUPSHQNO \
  | 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: 4116af258e02c5422e941a0f47c8f06ba14b6e5555b23afdfe3064dc5c011584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d895a3d0c9e5b343ef85dfa73b8857b2461de9f98fdf55cfc0f9d56b4a3176f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-25T12:59:01Z",
    "title_canon_sha256": "a6392ae5c6d0f84c45e66e11905306e445c4e8f2b2fb6145547885ae513efa89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11500",
    "kind": "arxiv",
    "version": 1
  }
}