Pith Number

pith:RPFD4QUH

pith:2018:RPFD4QUHB2IZCMS5UIF57ZQY7Q

not attested not anchored not stored refs pending

A class large solution of the 2D MHD equations with velocity and magnetic damping

Jinlu Li, Minghua Yang, Yanghai Yu

arxiv:1812.10310 v2 · 2018-12-26 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPFD4QUHB2IZCMS5UIF57ZQY7Q}

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	2026-05-17T23:50:08.867992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bca3e42870e9191325da20bdfe618fc2d6cdb47ff59744e09139eedd49394bb

Aliases

arxiv: 1812.10310 · arxiv_version: 1812.10310v2 · doi: 10.48550/arxiv.1812.10310 · pith_short_12: RPFD4QUHB2IZ · pith_short_16: RPFD4QUHB2IZCMS5 · pith_short_8: RPFD4QUH

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/RPFD4QUHB2IZCMS5UIF57ZQY7Q \
  | 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: 8bca3e42870e9191325da20bdfe618fc2d6cdb47ff59744e09139eedd49394bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cd9a6a4ac009e8a9ab3da9e3b91f40178688c26c4b43b42ea42c2c580185798",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-26T13:41:28Z",
    "title_canon_sha256": "c82a219b8667a2dac305b6bd489b8cbeecccbe56782eb807b1e3aa567d3df040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10310",
    "kind": "arxiv",
    "version": 2
  }
}