Pith Number

pith:UIJ5UKGU

pith:2011:UIJ5UKGUH4CJIIXBC2HTGEA5U2

not attested not anchored not stored refs pending

On integrable natural Hamiltonian systems on the suspensions of toric automorphism

Vladimir S. Matveev

arxiv:1108.3949 v1 · 2011-08-19 · math.DS · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIJ5UKGUH4CJIIXBC2HTGEA5U2}

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	2026-05-18T01:31:04.194586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a213da28d43f049422e1168f33101da6ac2234390edb01804d0ad78e5164b246

Aliases

arxiv: 1108.3949 · arxiv_version: 1108.3949v1 · doi: 10.48550/arxiv.1108.3949 · pith_short_12: UIJ5UKGUH4CJ · pith_short_16: UIJ5UKGUH4CJIIXB · pith_short_8: UIJ5UKGU

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/UIJ5UKGUH4CJIIXBC2HTGEA5U2 \
  | 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: a213da28d43f049422e1168f33101da6ac2234390edb01804d0ad78e5164b246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662bc63bf3833689b0042d84e9a4064bc3a3a01020cc5fe4ffeb7433f3f8282c",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-08-19T12:08:01Z",
    "title_canon_sha256": "8ef162ea432ff24a61e7b550adc9552c956ac64161b3e7335b994c13864541d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3949",
    "kind": "arxiv",
    "version": 1
  }
}