Pith Number

pith:7XOAS5LO

pith:2022:7XOAS5LOQBQZDKEOP3WFLNEEC2

not attested not anchored not stored refs pending

Local well-posedness to the 2D Cauchy problem of full compressible magnetohydrodynamic equations with vacuum at infinity

Hong Chen, Xin Zhong

arxiv:2201.09235 v1 · 2022-01-23 · 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{7XOAS5LOQBQZDKEOP3WFLNEEC2}

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	2026-07-05T04:24:15.761117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fddc09756e806191a88e7eec55b48416a649ea594f6939e88327bb1a76d9a02c

Aliases

arxiv: 2201.09235 · arxiv_version: 2201.09235v1 · doi: 10.48550/arxiv.2201.09235 · pith_short_12: 7XOAS5LOQBQZ · pith_short_16: 7XOAS5LOQBQZDKEO · pith_short_8: 7XOAS5LO

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/7XOAS5LOQBQZDKEOP3WFLNEEC2 \
  | 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: fddc09756e806191a88e7eec55b48416a649ea594f6939e88327bb1a76d9a02c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28aceec628de0d537dd04dc2bdb7cc98b7ec763a94560e2b0102f66e6c0bd8bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2022-01-23T11:54:28Z",
    "title_canon_sha256": "9a984933f9026dd5974a8cad68ca9b87ff3ea159438299c5c75d55c5eb6afd9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.09235",
    "kind": "arxiv",
    "version": 1
  }
}