Pith Number

pith:HWWUKWAN

pith:2012:HWWUKWANQ2MLLZWOZNUBSE4ABA

not attested not anchored not stored refs pending

The inverse cascade of magnetic helicity in magnetohydrodynamic turbulence

Angela Busse, Shiva Kumar Malapaka, Wolf-Christian M\"uller

arxiv:1201.0717 v3 · 2012-01-03 · physics.flu-dyn · astro-ph.GA · astro-ph.SR · 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{HWWUKWANQ2MLLZWOZNUBSE4ABA}

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	2026-05-18T01:58:58.398605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dad45580d8698b5e6cecb68191380082e36b9928f9bc52f92a1cca6b4f45f78

Aliases

arxiv: 1201.0717 · arxiv_version: 1201.0717v3 · doi: 10.48550/arxiv.1201.0717 · pith_short_12: HWWUKWANQ2ML · pith_short_16: HWWUKWANQ2MLLZWO · pith_short_8: HWWUKWAN

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/HWWUKWANQ2MLLZWOZNUBSE4ABA \
  | 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: 3dad45580d8698b5e6cecb68191380082e36b9928f9bc52f92a1cca6b4f45f78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7041e32a67ed44068832974467f7106c20dd50687702ba238a87d5893950abb",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-01-03T18:25:29Z",
    "title_canon_sha256": "ce85ad86368a8b7ca89fff9934bc2adeddb78afa0f097b7416e95f411daf99e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0717",
    "kind": "arxiv",
    "version": 3
  }
}