Pith Number

pith:YBK4KPSR

pith:2013:YBK4KPSRI7KDNYHT4ZT7SQ7Q7T

not attested not anchored not stored refs pending

Exact Riemann solver for ideal magnetohydrodynamics that can handle all types of intermediate shocks and switch-on/off waves

Kazuya Takahashi, Shoichi Yamada

arxiv:1310.2330 v1 · 2013-10-09 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBK4KPSRI7KDNYHT4ZT7SQ7Q7T}

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	2026-05-17T23:53:15.046680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c055c53e5147d436e0f3e667f943f0fcf65d93909848f987a73e48d86d1c348f

Aliases

arxiv: 1310.2330 · arxiv_version: 1310.2330v1 · doi: 10.48550/arxiv.1310.2330 · pith_short_12: YBK4KPSRI7KD · pith_short_16: YBK4KPSRI7KDNYHT · pith_short_8: YBK4KPSR

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/YBK4KPSRI7KDNYHT4ZT7SQ7Q7T \
  | 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: c055c53e5147d436e0f3e667f943f0fcf65d93909848f987a73e48d86d1c348f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aa1cccc91cf055add023b9676619ffa57f7aee65b16d273b7d060571463569d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-09T02:49:35Z",
    "title_canon_sha256": "b5cb584d750f8e2053ad9c3c88c6c70cd3f575a597b647fe548f30b1ed00f4a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2330",
    "kind": "arxiv",
    "version": 1
  }
}