Pith Number

pith:RM2MDCPX

pith:2014:RM2MDCPXH4MBSTXV4UBIFKQDAP

not attested not anchored not stored refs pending

On classical solutions of the compressible magnetohydrodynamic equations with vacuum

Shengguo Zhu

arxiv:1401.2705 v2 · 2014-01-13 · 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{RM2MDCPXH4MBSTXV4UBIFKQDAP}

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	2026-05-18T03:01:01.895911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b34c189f73f18194ef5e50282aa0303fca650afdf1305292b7202e7f98935d6

Aliases

arxiv: 1401.2705 · arxiv_version: 1401.2705v2 · doi: 10.48550/arxiv.1401.2705 · pith_short_12: RM2MDCPXH4MB · pith_short_16: RM2MDCPXH4MBSTXV · pith_short_8: RM2MDCPX

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/RM2MDCPXH4MBSTXV4UBIFKQDAP \
  | 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: 8b34c189f73f18194ef5e50282aa0303fca650afdf1305292b7202e7f98935d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3762f122c974f1aa90097d18f9c33f923dc9d22c83e2a2aa04dbe610c822e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-13T04:19:37Z",
    "title_canon_sha256": "22bc59b7b322cc1f692c4512fa2828557229192a9136e53f438823e0afb32314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2705",
    "kind": "arxiv",
    "version": 2
  }
}