pith. sign in
Pith Number

pith:QW475KDF

pith:2016:QW475KDFH76XDU4RASNICAMXMU
not attested not anchored not stored refs pending

Pseudo-Hermitian systems with PT-symmetry: Degeneracy and Krein space

B. Choutri, F. Z. Ighezou, M. Drir, O. Cherbal

arxiv:1610.08101 v1 · 2016-10-25 · quant-ph · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QW475KDFH76XDU4RASNICAMXMU}

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 2026-05-18T00:49:14.589942Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

85b9fea8653ffd71d391049a810197651433f18946a450661068bcd8faf4a38e

Aliases

arxiv: 1610.08101 · arxiv_version: 1610.08101v1 · doi: 10.48550/arxiv.1610.08101 · pith_short_12: QW475KDFH76X · pith_short_16: QW475KDFH76XDU4R · pith_short_8: QW475KDF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QW475KDFH76XDU4RASNICAMXMU \
  | 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: 85b9fea8653ffd71d391049a810197651433f18946a450661068bcd8faf4a38e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "66dd40a6f73af1612971ad3242e4437ccc9904b0fef62f08870860b0fde6666d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-10-25T21:42:26Z",
    "title_canon_sha256": "e789fe7eb4197c14f3d7d1c3c8511ed7f2f3868a2e83def7b1b6fa0a6ec76d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08101",
    "kind": "arxiv",
    "version": 1
  }
}