Pith Number

pith:XI2KJLJ4

pith:2007:XI2KJLJ4K47AW4IZ3YLDUOUYN7

not attested not anchored not stored refs pending

Quantum random access memory

Lorenzo Maccone, Seth Lloyd, Vittorio Giovannetti

arxiv:0708.1879 v2 · 2007-08-14 · 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{XI2KJLJ4K47AW4IZ3YLDUOUYN7}

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.

Cited by

4 papers in Pith

Quantum encodings that preserve persistent homology

Query and Depth Upper Bounds for Quantum Unitaries via Grover Search

Lower overhead fault-tolerant building blocks for noisy quantum computers

Heterogeneous architectures enable a 138x reduction in physical qubit requirements for fault-tolerant quantum computing under detailed accounting

Receipt and verification

First computed	2026-07-04T17:05:10.704321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba34a4ad3c573e0b7119de163a3a986ffa42993a546577aa9bf9fc86a8a6c634

Aliases

arxiv: 0708.1879 · arxiv_version: 0708.1879v2 · doi: 10.48550/arxiv.0708.1879 · pith_short_12: XI2KJLJ4K47A · pith_short_16: XI2KJLJ4K47AW4IZ · pith_short_8: XI2KJLJ4

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/XI2KJLJ4K47AW4IZ3YLDUOUYN7 \
  | 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: ba34a4ad3c573e0b7119de163a3a986ffa42993a546577aa9bf9fc86a8a6c634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d4e73f92eeca75c2e9fda45bc17f34c72dff9ddf83def7c0fce6c7ce9df944a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-08-14T12:53:08Z",
    "title_canon_sha256": "31b23053c988b048e1653104fd2c57fc8b681715d78e8d8770599e8b9a9a6c10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1879",
    "kind": "arxiv",
    "version": 2
  }
}