Pith Number

pith:L43B44VP

pith:2015:L43B44VPVTFVHPUQIS6LFDOFY2

not attested not anchored not stored refs pending

A Bound on the Pseudospectrum of the Harmonic Oscillator with Imaginary Cubic Potential

Frank R\"osler, Patrick Dorey, Patrick W. Dondl

arxiv:1505.05719 v4 · 2015-05-21 · 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{L43B44VPVTFVHPUQIS6LFDOFY2}

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	2026-05-18T00:53:15.974117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f361e72afaccb53be9044bcb28dc5c6b634d2518cd7837dfcb51a0aba59b14c

Aliases

arxiv: 1505.05719 · arxiv_version: 1505.05719v4 · doi: 10.48550/arxiv.1505.05719 · pith_short_12: L43B44VPVTFV · pith_short_16: L43B44VPVTFVHPUQ · pith_short_8: L43B44VP

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/L43B44VPVTFVHPUQIS6LFDOFY2 \
  | 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: 5f361e72afaccb53be9044bcb28dc5c6b634d2518cd7837dfcb51a0aba59b14c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "876c856b0bb7fe59a88e90bd15e7e03cbce7f2f5804f2f91bb1c64fee37ea334",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-05-21T13:09:48Z",
    "title_canon_sha256": "50f5cef94c5fd3e2ad6afcf5435df8d3463f7b78f32d13950736d6e6b3f8e960"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05719",
    "kind": "arxiv",
    "version": 4
  }
}