Pith Number

pith:NVN5R5FP

pith:2019:NVN5R5FPGAGIVAVDZMQO4QMVFY

not attested not anchored not stored refs pending

Time versus Hardware: Reducing Qubit Counts with a (Surface Code) Data Bus

Alexandru Paler, Daniel Herr, Franco Nori, Simon J. Devitt

arxiv:1902.08117 v2 · 2019-02-21 · 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{NVN5R5FPGAGIVAVDZMQO4QMVFY}

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

1 paper in Pith

Magic state cultivation: growing T states as cheap as CNOT gates

Receipt and verification

First computed	2026-05-17T23:49:38.852961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d5bd8f4af300c8a82a3cb20ee41952e07f06f2760aec74e783f5e71e0007972

Aliases

arxiv: 1902.08117 · arxiv_version: 1902.08117v2 · doi: 10.48550/arxiv.1902.08117 · pith_short_12: NVN5R5FPGAGI · pith_short_16: NVN5R5FPGAGIVAVD · pith_short_8: NVN5R5FP

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/NVN5R5FPGAGIVAVDZMQO4QMVFY \
  | 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: 6d5bd8f4af300c8a82a3cb20ee41952e07f06f2760aec74e783f5e71e0007972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d109c73845ffef0c822c5a889c9ce135e6d69accc9e296eed0be1de0ff635c63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-21T16:14:55Z",
    "title_canon_sha256": "234209facf88714822b957886d1d20b5b5cde138ada80ea0fa9b1348d1012798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08117",
    "kind": "arxiv",
    "version": 2
  }
}