Pith Number

pith:TF7AKRC3

pith:2013:TF7AKRC3JRLM6D2VMA5WENB4QU

not attested not anchored not stored refs pending

Rotor Bearing System Analysis Using the Transfer Matrix Method with Thickness Assumption of Disk and Bearing

Hossein Sadeghi, Mohammad Reza Mirzaee, Mohammad Taghi Ahmadian, Omid Ghasemalizadeh

arxiv:1306.4417 v1 · 2013-06-19 · physics.class-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{TF7AKRC3JRLM6D2VMA5WENB4QU}

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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	2026-05-18T02:51:34.208209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

997e05445b4c56cf0f55603b62343c8517b5c340045dee8c97c57f0075f17f57

Aliases

arxiv: 1306.4417 · arxiv_version: 1306.4417v1 · doi: 10.48550/arxiv.1306.4417 · pith_short_12: TF7AKRC3JRLM · pith_short_16: TF7AKRC3JRLM6D2V · pith_short_8: TF7AKRC3

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/TF7AKRC3JRLM6D2VMA5WENB4QU \
  | 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: 997e05445b4c56cf0f55603b62343c8517b5c340045dee8c97c57f0075f17f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd4485f9dbea5cee6d975acaedd27e776e031fe8bcc0aa637b9abcec3bded2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-06-19T03:52:34Z",
    "title_canon_sha256": "2980c89523a7e03565a5ad1ceb4486f47aec0ceb3e10a09b65d94cd7cfd4e3c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4417",
    "kind": "arxiv",
    "version": 1
  }
}