Pith Number

pith:3YPGTOPB

pith:2025:3YPGTOPBQH53OOUNZSS6W4PZRX

not attested not anchored not stored refs pending

From simulatability to universality of continuous-variable quantum computers

Cameron Calcluth

arxiv:2505.21618 v1 · 2025-05-27 · 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{3YPGTOPBQH53OOUNZSS6W4PZRX}

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	2026-07-05T11:11:01.017849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de1e69b9e181fbb73a8dcca5eb71f98dfee9521d36c1cd718482ce86ba142445

Aliases

arxiv: 2505.21618 · arxiv_version: 2505.21618v1 · doi: 10.48550/arxiv.2505.21618 · pith_short_12: 3YPGTOPBQH53 · pith_short_16: 3YPGTOPBQH53OOUN · pith_short_8: 3YPGTOPB

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/3YPGTOPBQH53OOUNZSS6W4PZRX \
  | 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: de1e69b9e181fbb73a8dcca5eb71f98dfee9521d36c1cd718482ce86ba142445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1816af9505b7d54444fd0097b7f944d5241efeeaa6b52c93af80a0a29795db09",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-27T18:00:03Z",
    "title_canon_sha256": "94d8abed594d757db4c5e8e967329856f2666ecd8cca1b6a737d626ff510f241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21618",
    "kind": "arxiv",
    "version": 1
  }
}