Pith Number

pith:F2DGMRXH

pith:2019:F2DGMRXHREQPKDI2DZLQLSCAYU

not attested not anchored not stored refs pending

Explicit IMF $B_y$-effect maximizes at subauroral latitudes (Dedicated to the memory of Eigil Friis-Christensen)

Kalevi Mursula, Lauri Holappa, Nat Gopalswamy

arxiv:1904.04568 v1 · 2019-04-09 · physics.space-ph · astro-ph.EP · 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{F2DGMRXHREQPKDI2DZLQLSCAYU}

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	2026-05-17T23:44:54.509362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e866646e78920f50d1a1e5705c840c510c95c1e8e87e094fed92a4c462fe99a

Aliases

arxiv: 1904.04568 · arxiv_version: 1904.04568v1 · doi: 10.48550/arxiv.1904.04568 · pith_short_12: F2DGMRXHREQP · pith_short_16: F2DGMRXHREQPKDI2 · pith_short_8: F2DGMRXH

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/F2DGMRXHREQPKDI2DZLQLSCAYU \
  | 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: 2e866646e78920f50d1a1e5705c840c510c95c1e8e87e094fed92a4c462fe99a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ad546206c6c1a8123534eeee1f61a62db9126a63a68ee98d934f6a1a22ab12",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2019-04-09T09:51:19Z",
    "title_canon_sha256": "ff8eec60a088f58b3fff26da430be80e2ccaaac699d1af5c2b44a348a935958f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04568",
    "kind": "arxiv",
    "version": 1
  }
}