Pith Number

pith:QCNNYEXH

pith:2025:QCNNYEXHQHX2AO7DJIE4P5FAQ2

not attested not anchored not stored refs pending

Quantisations of exactly solvable ghostly models

Andreas Fring, Bethan Turner, Takano Taira

arxiv:2503.21447 v1 · 2025-03-27 · quant-ph · hep-th · 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{QCNNYEXHQHX2AO7DJIE4P5FAQ2}

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.

Cited by

2 papers in Pith

Quantum mechanics with a ghost: Counterexamples to spectral denseness

Unitary Time Evolution and Vacuum for a Quantum Stable Ghost

Receipt and verification

First computed	2026-07-05T11:27:28.699959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809adc12e781efa03be34a09c7f4a086b5e2120b54992bf9f0e2f403cbf8c2b1

Aliases

arxiv: 2503.21447 · arxiv_version: 2503.21447v1 · doi: 10.48550/arxiv.2503.21447 · pith_short_12: QCNNYEXHQHX2 · pith_short_16: QCNNYEXHQHX2AO7D · pith_short_8: QCNNYEXH

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/QCNNYEXHQHX2AO7DJIE4P5FAQ2 \
  | 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: 809adc12e781efa03be34a09c7f4a086b5e2120b54992bf9f0e2f403cbf8c2b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04c5343124fd51b4cdb9ac4c9b48f27dc6533e1f5478974c033bc93aa1db9d3d",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-27T12:39:52Z",
    "title_canon_sha256": "70f16959e17e085b8e6b0375e088d86991a69a9257811ff91b1f2d8c4a18e19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.21447",
    "kind": "arxiv",
    "version": 1
  }
}