Pith Number

pith:22CMBVJQ

pith:2024:22CMBVJQNSZXVPWMMJZKABCD66

not attested not anchored not stored refs pending

The composition rule for quantum systems is not the only possible one

Marco Erba, Paolo Perinotti

arxiv:2411.15964 v4 · 2024-11-24 · 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{22CMBVJQNSZXVPWMMJZKABCD66}

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	2026-05-20T00:05:26.405994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d684c0d5306cb37abecc6272a00443f78ce3b709a97bccf07321eb121db44a1d

Aliases

arxiv: 2411.15964 · arxiv_version: 2411.15964v4 · doi: 10.48550/arxiv.2411.15964 · pith_short_12: 22CMBVJQNSZX · pith_short_16: 22CMBVJQNSZXVPWM · pith_short_8: 22CMBVJQ

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/22CMBVJQNSZXVPWMMJZKABCD66 \
  | 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: d684c0d5306cb37abecc6272a00443f78ce3b709a97bccf07321eb121db44a1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "143b616caf082c61bba1547dcb202789ea86ab24fe64df66fa3253888eb6a500",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-11-24T19:31:13Z",
    "title_canon_sha256": "b3c5a561ad64e9b70294d27459ebc182a2f198cd9258f01d87b6e7e4b8d2ea75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15964",
    "kind": "arxiv",
    "version": 4
  }
}