Pith Number

pith:U7KYLRVO

pith:2019:U7KYLRVO3TPV43TJLRYH6B7WMQ

not attested not anchored not stored refs pending

Linear unstable whistler eigenmodes excited by a finite electron beam

Bart Van Compernolle, Jacob Bortnik, Xin An

arxiv:1908.06961 v1 · 2019-08-19 · physics.plasm-ph · 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{U7KYLRVO3TPV43TJLRYH6B7WMQ}

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	2026-07-04T23:58:21.627818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d585c6aedcdf5e6e695c707f07f6643352c39416715fed33cfe61ad71a9609

Aliases

arxiv: 1908.06961 · arxiv_version: 1908.06961v1 · doi: 10.48550/arxiv.1908.06961 · pith_short_12: U7KYLRVO3TPV · pith_short_16: U7KYLRVO3TPV43TJ · pith_short_8: U7KYLRVO

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/U7KYLRVO3TPV43TJLRYH6B7WMQ \
  | 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: a7d585c6aedcdf5e6e695c707f07f6643352c39416715fed33cfe61ad71a9609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7728fa576068958c5640b5b03628ae357bf6741a49a1df678d5e69207eb2eba",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-08-19T17:57:28Z",
    "title_canon_sha256": "9150198345ee443dd3ac0bc41c11aa534654ffe2f6713737e445238d15ce39c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06961",
    "kind": "arxiv",
    "version": 1
  }
}