Pith Number

pith:IBGDP3A5

pith:2026:IBGDP3A5BM5LNGARC4IWSZM4F3

not attested not anchored not stored refs pending

Equivalence of non-local computation tasks beyond Clifford operations

Alex May, Andreas Bluhm, Florian Speelman, Philip Verduyn Lunel, Simon H\"ofer

arxiv:2606.26354 v1 · 2026-06-24 · 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{IBGDP3A5BM5LNGARC4IWSZM4F3}

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	2026-06-26T00:15:37.662188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

404c37ec1d0b3ab69811171169659c2ec7db367cf9c5e4de4f6626b324f5a3e9

Aliases

arxiv: 2606.26354 · arxiv_version: 2606.26354v1 · doi: 10.48550/arxiv.2606.26354 · pith_short_12: IBGDP3A5BM5L · pith_short_16: IBGDP3A5BM5LNGAR · pith_short_8: IBGDP3A5

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/IBGDP3A5BM5LNGARC4IWSZM4F3 \
  | 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: 404c37ec1d0b3ab69811171169659c2ec7db367cf9c5e4de4f6626b324f5a3e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e64b91154b68d88484f6ff56dbf1ecff67f898488726f0ea22a97e16d60586ed",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-24T19:59:21Z",
    "title_canon_sha256": "91e51e23f017e19a26b6578e91eee37b5e551be0640c1d6c65882a147b349bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26354",
    "kind": "arxiv",
    "version": 1
  }
}