Pith Number

pith:SFULEOKV

pith:2018:SFULEOKVDQBJP2OR6T5SVOUWXF

not attested not anchored not stored refs pending

First results from sonification and exploratory citizen science of magnetospheric ULF waves: Long-lasting decreasing-frequency poloidal field line resonances following geomagnetic storms

B. M. Walsh, M. D. Hartinger, M. O. Archer, R. Redmon, V. Angelopoulos

arxiv:1811.02816 v1 · 2018-11-07 · physics.space-ph · physics.plasm-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{SFULEOKVDQBJP2OR6T5SVOUWXF}

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	2026-05-18T00:01:20.697877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9168b239551c0297e9d1f4fb2aba96b94d7c6ce31bc611b041701380e3c7dca9

Aliases

arxiv: 1811.02816 · arxiv_version: 1811.02816v1 · doi: 10.48550/arxiv.1811.02816 · pith_short_12: SFULEOKVDQBJ · pith_short_16: SFULEOKVDQBJP2OR · pith_short_8: SFULEOKV

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/SFULEOKVDQBJP2OR6T5SVOUWXF \
  | 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: 9168b239551c0297e9d1f4fb2aba96b94d7c6ce31bc611b041701380e3c7dca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "080ba94c13f872ea76d97f215ef689a3b5bbdd2083c1ac2f1fe1d032d019b707",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2018-11-07T10:08:04Z",
    "title_canon_sha256": "8c8fe2f5dcce02d6190a6581895b9cb80e1c0820d028dff7c7fdbbe10499137d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02816",
    "kind": "arxiv",
    "version": 1
  }
}