Pith Number

pith:LIJLEZ7Z

pith:2024:LIJLEZ7ZYDKQ4SIYNQULJAULHE

not attested not anchored not stored refs pending

Efficient classical simulation of quantum computation beyond Wigner positivity

Arne Heimendahl, Michael Zurel

arxiv:2407.10349 v1 · 2024-07-14 · 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{LIJLEZ7ZYDKQ4SIYNQULJAULHE}

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	2026-07-05T08:43:42.942498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a12b267f9c0d50e49186c28b4828b3922e7248a53fc02d1850a836913968d26

Aliases

arxiv: 2407.10349 · arxiv_version: 2407.10349v1 · doi: 10.48550/arxiv.2407.10349 · pith_short_12: LIJLEZ7ZYDKQ · pith_short_16: LIJLEZ7ZYDKQ4SIY · pith_short_8: LIJLEZ7Z

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/LIJLEZ7ZYDKQ4SIYNQULJAULHE \
  | 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: 5a12b267f9c0d50e49186c28b4828b3922e7248a53fc02d1850a836913968d26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60e346cf3c0364c9bc9e53d48af5611a2e9e19f3c371d68f0cf7855d87a38705",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-07-14T22:25:13Z",
    "title_canon_sha256": "0b43fa67d780c618052360a9cd84cde33156423bdec960a3536a0013753969a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.10349",
    "kind": "arxiv",
    "version": 1
  }
}