Pith Number

pith:UP4KJODM

pith:2019:UP4KJODMFZUUTIGMXQPBK233GB

not attested not anchored not stored refs pending

The Evolution of Earth's Magnetosphere During the Solar Main Sequence

(2) IESB/Brazil), A. A. Vidotto (1), C. Loesch (2), P. Coogan (1) ((1) Trinity College Dublin, S. Carolan (1)

arxiv:1908.03537 v2 · 2019-08-09 · astro-ph.EP · 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{UP4KJODMFZUUTIGMXQPBK233GB}

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	2026-07-05T00:06:53.122533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f8a4b86c2e6949a0ccbc1e156b7b3069cbc691b888336948a3c05ad1be5b38

Aliases

arxiv: 1908.03537 · arxiv_version: 1908.03537v2 · doi: 10.48550/arxiv.1908.03537 · pith_short_12: UP4KJODMFZUU · pith_short_16: UP4KJODMFZUUTIGM · pith_short_8: UP4KJODM

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/UP4KJODMFZUUTIGMXQPBK233GB \
  | 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: a3f8a4b86c2e6949a0ccbc1e156b7b3069cbc691b888336948a3c05ad1be5b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ed9446f36372604be9169172ba7b3f7c4711a8b9a7c842376d541ddfaf72c1",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-09T16:55:12Z",
    "title_canon_sha256": "d60e14419905b536bc9df89189bc21b25ea582f6a56d52c13720db6ea949475b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03537",
    "kind": "arxiv",
    "version": 2
  }
}