Pith Number

pith:M4AKKHSE

pith:2005:M4AKKHSE3VBAHT5DDYQYSMOS2K

not attested not anchored not stored refs pending

Motion of the Tippe Top : Gyroscopic Balance Condition and Stability

Ken Sasaki, Shinsuke Watanabe, Takahiro Ueda

arxiv:physics/0507198 v1 · 2005-07-28 · 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{M4AKKHSE3VBAHT5DDYQYSMOS2K}

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	2026-07-05T00:49:52.594077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6700a51e44dd4203cfa31e218931d2d28bafc664c03581eea7816be4dd1a178b

Aliases

arxiv: physics/0507198 · arxiv_version: physics/0507198v1 · doi: 10.48550/arxiv.physics/0507198 · pith_short_12: M4AKKHSE3VBA · pith_short_16: M4AKKHSE3VBAHT5D · pith_short_8: M4AKKHSE

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/M4AKKHSE3VBAHT5DDYQYSMOS2K \
  | 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: 6700a51e44dd4203cfa31e218931d2d28bafc664c03581eea7816be4dd1a178b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949f0b1d9e9762244d35e50327104914644350b2582408cbb09aeaaa1a37a3f3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2005-07-28T09:01:36Z",
    "title_canon_sha256": "2f630658e2040232455607f8374de5b98c652cae5cf2324b26d2e4ffb76ce014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0507198",
    "kind": "arxiv",
    "version": 1
  }
}