Pith Number

pith:KVUZGQ3I

pith:2017:KVUZGQ3IPJID2BYO7RGDRMBBZO

not attested not anchored not stored refs pending

Reducibility of the Quantum Harmonic Oscillator in $d$-dimensions with Polynomial Time Dependent Perturbation

Alberto Maspero, Benoit Grebert, Dario Bambusi, Didier Robert

arxiv:1702.05274 v2 · 2017-02-17 · math.AP · 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{KVUZGQ3IPJID2BYO7RGDRMBBZO}

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	2026-05-18T00:20:56.695230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55699343687a503d070efc4c38b021cb978a9c7b9897b89c70d0e3d250e07216

Aliases

arxiv: 1702.05274 · arxiv_version: 1702.05274v2 · doi: 10.48550/arxiv.1702.05274 · pith_short_12: KVUZGQ3IPJID · pith_short_16: KVUZGQ3IPJID2BYO · pith_short_8: KVUZGQ3I

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/KVUZGQ3IPJID2BYO7RGDRMBBZO \
  | 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: 55699343687a503d070efc4c38b021cb978a9c7b9897b89c70d0e3d250e07216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a0a0cdd6a4dd47f673c22f7714ed351d4c8822dd1447a1e58a4d1de274ad2c8",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-02-17T09:37:31Z",
    "title_canon_sha256": "fe8551410ec950388473838c04a4fb77afe714c2fc331a45a4ffd7269362ca66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05274",
    "kind": "arxiv",
    "version": 2
  }
}