Pith Number

pith:D3HQOEYL

pith:2011:D3HQOEYLLS6IDDKHMJNOD7QG27

not attested not anchored not stored refs pending

Hysteresis in a Solar Activity Cycle

Awadhesh Prasad, Harinder P. Singh, Vinita Suyal

arxiv:1112.5236 v1 · 2011-12-22 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3HQOEYLLS6IDDKHMJNOD7QG27}

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	2026-05-18T04:05:48.036358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ecf07130b5cbc818d47625ae1fe06d7e4303d90f808a2cdbc2213d83d4ab8b5

Aliases

arxiv: 1112.5236 · arxiv_version: 1112.5236v1 · doi: 10.48550/arxiv.1112.5236 · pith_short_12: D3HQOEYLLS6I · pith_short_16: D3HQOEYLLS6IDDKH · pith_short_8: D3HQOEYL

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/D3HQOEYLLS6IDDKHMJNOD7QG27 \
  | 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: 1ecf07130b5cbc818d47625ae1fe06d7e4303d90f808a2cdbc2213d83d4ab8b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d72d79f9fea194ef64afd3f5a22288b00728c73f2be3da6ee053c1ea7ea8a2f",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-22T05:45:04Z",
    "title_canon_sha256": "9565738c80cc79da73719afaac7fd62aa7d0bc396ced70ebf9bb4d32c53b73c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5236",
    "kind": "arxiv",
    "version": 1
  }
}