Pith Number

pith:5HF7L57B

pith:2017:5HF7L57BPM5QD3FUHFGHN5DSF5

not attested not anchored not stored refs pending

Conditional quasi-exact solvability of the quantum planar pendulum and of its anti-isospectral hyperbolic counterpart

Bretislav Friedrich, Burkhard Schmidt, Konrad Schatz, Marjan Mirahmadi, Simon Becker

arxiv:1702.08733 v2 · 2017-02-28 · quant-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{5HF7L57BPM5QD3FUHFGHN5DSF5}

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	2026-05-18T00:41:36.727580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cbf5f7e17b3b01ecb4394c76f4722f6c7d791ada015da9f74d2045defb67e4

Aliases

arxiv: 1702.08733 · arxiv_version: 1702.08733v2 · doi: 10.48550/arxiv.1702.08733 · pith_short_12: 5HF7L57BPM5Q · pith_short_16: 5HF7L57BPM5QD3FU · pith_short_8: 5HF7L57B

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/5HF7L57BPM5QD3FUHFGHN5DSF5 \
  | 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: e9cbf5f7e17b3b01ecb4394c76f4722f6c7d791ada015da9f74d2045defb67e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e4b7870b0f8d1e253e3c5870117545f1b91f6a3927639557d57389f55b85218",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-28T10:38:17Z",
    "title_canon_sha256": "d686b595080475662241617934e0e226736cb2b4190324b1a41f63d4f3dfce95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08733",
    "kind": "arxiv",
    "version": 2
  }
}