Pith Number

pith:RA6PXZNT

pith:2022:RA6PXZNTRSYWSGTPF3SZZ7QTB7

not attested not anchored not stored refs pending

On unorthodox qubits, with an application to the closed timelike curve problem

Samuel Kuypers

arxiv:2205.02797 v1 · 2022-05-05 · 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{RA6PXZNTRSYWSGTPF3SZZ7QTB7}

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

1 paper in Pith

Tests of constructor theory

Receipt and verification

First computed	2026-07-05T04:20:41.170054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

883cfbe5b38cb1691a6f2ee59cfe130feab1806c475bb429220b2463f19fd35c

Aliases

arxiv: 2205.02797 · arxiv_version: 2205.02797v1 · doi: 10.48550/arxiv.2205.02797 · pith_short_12: RA6PXZNTRSYW · pith_short_16: RA6PXZNTRSYWSGTP · pith_short_8: RA6PXZNT

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/RA6PXZNTRSYWSGTPF3SZZ7QTB7 \
  | 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: 883cfbe5b38cb1691a6f2ee59cfe130feab1806c475bb429220b2463f19fd35c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1c2f9f0636a33dfba23eb395402c55d1332659e186730121e4270e603c93f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-05-05T17:18:14Z",
    "title_canon_sha256": "2fe87795317e42355b21c43df2e50887a7e194e27192f5d0861afcb9a6f05b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.02797",
    "kind": "arxiv",
    "version": 1
  }
}