Pith Number

pith:OLQXIUVC

pith:2017:OLQXIUVCTSFOQOJI73C25XVLD4

not attested not anchored not stored refs pending

Analytic approximation for eigenvalues of a class of $\mathcal{PT}$ symmetric Hamiltonians

I. D. Feranchuk, O. D. Skoromnik

arxiv:1708.01123 v2 · 2017-08-03 · 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{OLQXIUVCTSFOQOJI73C25XVLD4}

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	2026-05-18T00:31:06.301307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e17452a29c8ae83928fec5aedeab1f36c9b303bcf04b0aeac0ab2198b608ae

Aliases

arxiv: 1708.01123 · arxiv_version: 1708.01123v2 · doi: 10.48550/arxiv.1708.01123 · pith_short_12: OLQXIUVCTSFO · pith_short_16: OLQXIUVCTSFOQOJI · pith_short_8: OLQXIUVC

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/OLQXIUVCTSFOQOJI73C25XVLD4 \
  | 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: 72e17452a29c8ae83928fec5aedeab1f36c9b303bcf04b0aeac0ab2198b608ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cecfbbe4413af25e407f40de776d5dfe0b8148b1a5871c7b09b8e57a14b480b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-03T13:15:50Z",
    "title_canon_sha256": "2d1f7e37d4878cf1dee76c7416ec99f6af5eccbbaaac0fd55d1fb5d02cec0a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01123",
    "kind": "arxiv",
    "version": 2
  }
}