Pith Number

pith:HPUOVPII

pith:2018:HPUOVPIIOUNF7DPHTOWSD45OH7

not attested not anchored not stored refs pending

Observations of Asymmetries in Ionospheric Return Flow During Different Levels of Geomagnetic Activity

A. Grocott, A. Ohma, J. P. Reistad, K. M. Laundal, K. Oksavik, K. Snekvik, N. {\O}stgaard, P. Tenfjord, S. E. Milan, S. Haaland

arxiv:1808.01839 v1 · 2018-08-06 · 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{HPUOVPIIOUNF7DPHTOWSD45OH7}

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	2026-05-18T00:08:49.526232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be8eabd08751a5f8de79bad21f3ae3ff780330819422fdfa4a540a4b85a8429

Aliases

arxiv: 1808.01839 · arxiv_version: 1808.01839v1 · doi: 10.48550/arxiv.1808.01839 · pith_short_12: HPUOVPIIOUNF · pith_short_16: HPUOVPIIOUNF7DPH · pith_short_8: HPUOVPII

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/HPUOVPIIOUNF7DPHTOWSD45OH7 \
  | 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: 3be8eabd08751a5f8de79bad21f3ae3ff780330819422fdfa4a540a4b85a8429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3190365a823b92047c0234a16ad171be0e8ff95398dc6bdb4e840860286be10c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2018-08-06T12:11:41Z",
    "title_canon_sha256": "f1caa1189f3eb3cd45408e4971029fbb59cbe5bbc86cd14511b197dd3c6e8e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01839",
    "kind": "arxiv",
    "version": 1
  }
}