Pith Number

pith:NDQ3QR57

pith:2020:NDQ3QR57A2HJ5MUHG6RCFV32EH

not attested not anchored not stored refs pending

Global Evolution of Solar Magnetic Fields and Prediction of Activity Cycles

Irina N. Kitiashvili

arxiv:2003.04563 v1 · 2020-03-10 · astro-ph.SR · nlin.CD · physics.data-an · 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{NDQ3QR57A2HJ5MUHG6RCFV32EH}

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	2026-07-05T01:38:57.834281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68e1b847bf068e9eb28737a222d77a21c136c5574951963c50104facbb3c2985

Aliases

arxiv: 2003.04563 · arxiv_version: 2003.04563v1 · doi: 10.48550/arxiv.2003.04563 · pith_short_12: NDQ3QR57A2HJ · pith_short_16: NDQ3QR57A2HJ5MUH · pith_short_8: NDQ3QR57

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/NDQ3QR57A2HJ5MUHG6RCFV32EH \
  | 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: 68e1b847bf068e9eb28737a222d77a21c136c5574951963c50104facbb3c2985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bcf3db4dfd4b71a5624b6b95d7538d8008e42cd53657aff33008dc0385b52e3",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.data-an",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-10T07:28:00Z",
    "title_canon_sha256": "7e208995c0e78355db232d9112236e90a2f3ac25719b1bef9ed5128a0faf6cee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04563",
    "kind": "arxiv",
    "version": 1
  }
}