Pith Number

pith:Z7RLOD33

pith:2018:Z7RLOD333AVDLWV3N5DSVX32RF

not attested not anchored not stored refs pending

Magnetohydrodynamic Simulations of a Plunging Black Hole into a Molecular Cloud

Hiroyuki R. Takahashi, Ken Ohsuga, Mariko Nomura, Masaya Yamada, Shunya Takekawa, Tomoharu Oka, Yuta Asahina

arxiv:1804.05501 v1 · 2018-04-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7RLOD333AVDLWV3N5DSVX32RF}

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	2026-05-18T00:14:07.783158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe2b70f7bd82a35dabb6f472adf7a897e63ee6dfb68cbe64d9a818d2cc08124

Aliases

arxiv: 1804.05501 · arxiv_version: 1804.05501v1 · doi: 10.48550/arxiv.1804.05501 · pith_short_12: Z7RLOD333AVD · pith_short_16: Z7RLOD333AVDLWV3 · pith_short_8: Z7RLOD33

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/Z7RLOD333AVDLWV3N5DSVX32RF \
  | 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: cfe2b70f7bd82a35dabb6f472adf7a897e63ee6dfb68cbe64d9a818d2cc08124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63c2cebe87640149b591e02b6ccbb34c19c32a8325f4aa2ad0ee354b6b585b55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-16T04:19:48Z",
    "title_canon_sha256": "12278d1124a9e3afb5b24ce2692d142d648e3a9981a6b82feccb88aaa8eb6bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05501",
    "kind": "arxiv",
    "version": 1
  }
}