Pith Number

pith:5LXVE2GG

pith:2011:5LXVE2GG5EHMOHRCPP53F5NZON

not attested not anchored not stored refs pending

Origin of the quantum speed-up

Giuseppe Castagnoli

arxiv:1107.0934 v13 · 2011-07-05 · 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{5LXVE2GG5EHMOHRCPP53F5NZON}

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	2026-05-18T03:40:14.500944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaef5268c6e90ec71e227bfbb2f5b9735e3796c206f5d4a0863a950e02c95f84

Aliases

arxiv: 1107.0934 · arxiv_version: 1107.0934v13 · doi: 10.48550/arxiv.1107.0934 · pith_short_12: 5LXVE2GG5EHM · pith_short_16: 5LXVE2GG5EHMOHRC · pith_short_8: 5LXVE2GG

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/5LXVE2GG5EHMOHRCPP53F5NZON \
  | 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: eaef5268c6e90ec71e227bfbb2f5b9735e3796c206f5d4a0863a950e02c95f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62305fedc5cb7ffdb42ed48bd3505bd4cb1cf380a4c3a1b69b76080800136d00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-05T18:25:49Z",
    "title_canon_sha256": "26ab4aeac8f03db93b314103ca5e06f3586d20e65bb59e32d786da66a1eb9208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0934",
    "kind": "arxiv",
    "version": 13
  }
}