Pith Number

pith:55KCP2HT

pith:2019:55KCP2HTWCPP27QLWF2S2TU72D

not attested not anchored not stored refs pending

A high-order weighted finite difference scheme with a multi-state approximate Riemann solver for divergence-free magnetohydrodynamic simulations

Takahiro Miyoshi, Takashi Minoshima, Yosuke Matsumoto

arxiv:1903.04759 v2 · 2019-03-12 · astro-ph.IM · astro-ph.EP · astro-ph.SR · cs.NA · physics.comp-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{55KCP2HTWCPP27QLWF2S2TU72D}

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	2026-05-17T23:44:11.784889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5427e8f3b09efd7e0bb1752d4e9fd0d493186a1ff5dafe9d8fa1f43e43f12f

Aliases

arxiv: 1903.04759 · arxiv_version: 1903.04759v2 · doi: 10.48550/arxiv.1903.04759 · pith_short_12: 55KCP2HTWCPP · pith_short_16: 55KCP2HTWCPP27QL · pith_short_8: 55KCP2HT

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/55KCP2HTWCPP27QLWF2S2TU72D \
  | 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: ef5427e8f3b09efd7e0bb1752d4e9fd0d493186a1ff5dafe9d8fa1f43e43f12f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c8595e3adc92351aedab059b9e02809ffe27ee4ed29da9145b28d8969d924f9",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR",
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-12T07:37:04Z",
    "title_canon_sha256": "56df669f05aab1e895b3a2f9718d98aa8ec8b8f8e6589d2c8a2c09c177558b44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04759",
    "kind": "arxiv",
    "version": 2
  }
}