Pith Number

pith:4XEVB7RL

pith:2007:4XEVB7RL7FHJ2FWW4D6AHMDOHH

not attested not anchored not stored refs pending

Variability of Critical Rotational Speeds of Gearbox by Misalignement and Manufacturing Errors

Emmanuel Rigaud (LTDS), Jo\"el Perret-Liaudet (LTDS), N. Driot (LTDS)

arxiv:physics/0701064 v1 · 2007-01-05 · 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{4XEVB7RL7FHJ2FWW4D6AHMDOHH}

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	2026-05-18T01:09:14.703908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5c950fe2bf94e9d16d6e0fc03b06e39e24348bdadf3972db5762a556a06c731

Aliases

arxiv: physics/0701064 · arxiv_version: physics/0701064v1 · doi: 10.48550/arxiv.physics/0701064 · pith_short_12: 4XEVB7RL7FHJ · pith_short_16: 4XEVB7RL7FHJ2FWW · pith_short_8: 4XEVB7RL

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/4XEVB7RL7FHJ2FWW4D6AHMDOHH \
  | 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: e5c950fe2bf94e9d16d6e0fc03b06e39e24348bdadf3972db5762a556a06c731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4d6e06caaa43fba28eb0ee484b9f6155996fed2aecf9976941a3de0a2eb823",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2007-01-05T12:49:32Z",
    "title_canon_sha256": "707c2d73ad15c8dc6db6dce8aecb64d114de87218c5b22e337dcd8765c074c23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0701064",
    "kind": "arxiv",
    "version": 1
  }
}