Pith Number

pith:RET63NHU

pith:2013:RET63NHUGIAQJFYCOXSYXTWYOM

not attested not anchored not stored refs pending

$PT$-symmetric quantum mechanics is a Hermitian quantum mechanics

Sungwook Lee

arxiv:1312.7738 v5 · 2013-12-30 · quant-ph · 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{RET63NHUGIAQJFYCOXSYXTWYOM}

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	2026-05-18T03:01:35.038239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8927edb4f4320104970275e58bced87322f7467cee6ef6ce757b4fa9d0de77f6

Aliases

arxiv: 1312.7738 · arxiv_version: 1312.7738v5 · doi: 10.48550/arxiv.1312.7738 · pith_short_12: RET63NHUGIAQ · pith_short_16: RET63NHUGIAQJFYC · pith_short_8: RET63NHU

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/RET63NHUGIAQJFYCOXSYXTWYOM \
  | 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: 8927edb4f4320104970275e58bced87322f7467cee6ef6ce757b4fa9d0de77f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1ac179d505c27b2bdbbb933f4d9125eed5205464e747784213e99eb8208862",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-30T15:27:49Z",
    "title_canon_sha256": "b2fbb2c67952d8c18d806ea8f3620cf5b55db2839f74ae2f8d66bc99a40eabc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7738",
    "kind": "arxiv",
    "version": 5
  }
}