Pith Number

pith:4SEKIZXQ

pith:2012:4SEKIZXQTYP3F3KF3LEHFJS6LH

not attested not anchored not stored refs pending

Universality of Computation in Real Quantum Theory

Alessio Belenchia, Giacomo Mauro D'Ariano, Paolo Perinotti

arxiv:1212.2648 v1 · 2012-12-11 · 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{4SEKIZXQTYP3F3KF3LEHFJS6LH}

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	2026-05-18T03:05:54.861408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e488a466f09e1fb2ed45dac872a65e59e450bde241a5db4ccd6819c22231a14e

Aliases

arxiv: 1212.2648 · arxiv_version: 1212.2648v1 · doi: 10.48550/arxiv.1212.2648 · pith_short_12: 4SEKIZXQTYP3 · pith_short_16: 4SEKIZXQTYP3F3KF · pith_short_8: 4SEKIZXQ

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/4SEKIZXQTYP3F3KF3LEHFJS6LH \
  | 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: e488a466f09e1fb2ed45dac872a65e59e450bde241a5db4ccd6819c22231a14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d551fd9ed5ee07c0c7053839372fab6e202d20bcbcb77cfe4394339e888e3771",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-11T21:10:42Z",
    "title_canon_sha256": "af84f294461555571f252f1da20323e312c3c5ddc4ac188cd118b6c8f7dccaf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2648",
    "kind": "arxiv",
    "version": 1
  }
}