Pith Number

pith:GJFMRC7Y

pith:2010:GJFMRC7YPLT52KEOQ6OYWJZ3TZ

not attested not anchored not stored refs pending

Dynamical Invariants for Variable Quadratic Hamiltonians

Sergei K. Suslov

arxiv:1002.0144 v6 · 2010-01-31 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJFMRC7YPLT52KEOQ6OYWJZ3TZ}

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	2026-05-18T02:09:21.669677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

324ac88bf87ae7dd288e879d8b273b9e5be004b6aa3b5fb0116c9a206baca0b7

Aliases

arxiv: 1002.0144 · arxiv_version: 1002.0144v6 · doi: 10.48550/arxiv.1002.0144 · pith_short_12: GJFMRC7YPLT5 · pith_short_16: GJFMRC7YPLT52KEO · pith_short_8: GJFMRC7Y

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/GJFMRC7YPLT52KEOQ6OYWJZ3TZ \
  | 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: 324ac88bf87ae7dd288e879d8b273b9e5be004b6aa3b5fb0116c9a206baca0b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c19e719c8afe4f6fc341ddc0c236ecd6c56019db33777d05474eedad7bb4e9",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-01-31T20:40:52Z",
    "title_canon_sha256": "8e7939813e1262442582261ea72670b52dfed29473f99330353895ed4202a79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0144",
    "kind": "arxiv",
    "version": 6
  }
}