Pith Number

pith:PB2AVU3A

pith:2026:PB2AVU3ACJZGJZ6G7WHIQUXVFP

not attested not anchored not stored refs pending

The Second Quadratic Invariant of Astrophysical Gyrokinetics

Alfred Mallet, Benjamin D. G. Chandran, Romain Meyrand

arxiv:2607.27981 v1 · 2026-07-30 · 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{PB2AVU3ACJZGJZ6G7WHIQUXVFP}

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	2026-07-31T01:35:10.807364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

78740ad360127264e7c6fd8e8852f52bec06726974a7996de3da23cc619401e5

Aliases

arxiv: 2607.27981 · arxiv_version: 2607.27981v1 · doi: 10.48550/arxiv.2607.27981 · pith_short_12: PB2AVU3ACJZG · pith_short_16: PB2AVU3ACJZGJZ6G · pith_short_8: PB2AVU3A

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/PB2AVU3ACJZGJZ6G7WHIQUXVFP \
  | 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: 78740ad360127264e7c6fd8e8852f52bec06726974a7996de3da23cc619401e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f4842496b18c438f37d897de0756b87c16badafdbed4b672d7dbb9bd9e9d9c",
    "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": "2026-07-30T10:26:15Z",
    "title_canon_sha256": "7439ae9b291cc094c54d3c0d578bda25cf6c4ab1a4a9ac7a7f1a62dfa4cce860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27981",
    "kind": "arxiv",
    "version": 1
  }
}