Pith Number

pith:F5ACUSEJ

pith:2022:F5ACUSEJFQTNDYGARNWN54G4YA

not attested not anchored not stored refs pending

Implementation of dust particles in three-dimensional magnetohydrodynamics simulation: Dust dynamics in a collapsing cloud core

Masahiro N. Machida, Shunta Koga, Yoshihiro Kawasaki

arxiv:2207.12907 v1 · 2022-07-26 · astro-ph.GA · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5ACUSEJFQTNDYGARNWN54G4YA}

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	2026-07-05T04:49:01.144535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f402a48892c26d1e0c08b6cdef0dcc01b3cfb9c7b0fd5ce7fea735f3022999c

Aliases

arxiv: 2207.12907 · arxiv_version: 2207.12907v1 · doi: 10.48550/arxiv.2207.12907 · pith_short_12: F5ACUSEJFQTN · pith_short_16: F5ACUSEJFQTNDYGA · pith_short_8: F5ACUSEJ

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/F5ACUSEJFQTNDYGARNWN54G4YA \
  | 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: 2f402a48892c26d1e0c08b6cdef0dcc01b3cfb9c7b0fd5ce7fea735f3022999c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c08a4184d01863e95a9578dc5769eb225932bdc1a99b7e4bece9648b91c736b",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-07-26T13:56:36Z",
    "title_canon_sha256": "a48d2789e223b9157ba2900810a1ebb11280debf4037c5d0496e4190271770e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.12907",
    "kind": "arxiv",
    "version": 1
  }
}