Pith Number

pith:QOP7VAUJ

pith:2020:QOP7VAUJVUYV6LTBSCXPHBH4RS

not attested not anchored not stored refs pending

The inadequacy of a magnetohydrodynamic approach to the Biermann Battery

C. Arran, C. P. Ridgers, J.J. Bissell, R. J. Kingham

arxiv:2009.01562 v1 · 2020-09-03 · 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{QOP7VAUJVUYV6LTBSCXPHBH4RS}

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	2026-07-05T02:23:12.574691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839ffa8289ad315f2e6190aef384fc8cab4fe76362928a634018735abf27e47f

Aliases

arxiv: 2009.01562 · arxiv_version: 2009.01562v1 · doi: 10.48550/arxiv.2009.01562 · pith_short_12: QOP7VAUJVUYV · pith_short_16: QOP7VAUJVUYV6LTB · pith_short_8: QOP7VAUJ

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/QOP7VAUJVUYV6LTBSCXPHBH4RS \
  | 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: 839ffa8289ad315f2e6190aef384fc8cab4fe76362928a634018735abf27e47f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f1b75f2380f60d06bf8ba0c6582d239dc193749255bfdedda23d6cfd0db9e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2020-09-03T10:12:33Z",
    "title_canon_sha256": "e017f98edc36d002de5d138babccbc4876fba5c57a5733c6eff6c956aa3dfe31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01562",
    "kind": "arxiv",
    "version": 1
  }
}