Pith Number

pith:MJ5VKWVT

pith:2011:MJ5VKWVTSORBO4RF6CQJ5AWSDG

not attested not anchored not stored refs pending

The quantum computational speed of a single Cooper Pair box

A.-S.F.Obada, D.A.M.Abo-Kahla, M. Abdel-Aty, N. Metwally

arxiv:1107.1781 v1 · 2011-07-09 · 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{MJ5VKWVTSORBO4RF6CQJ5AWSDG}

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	2026-05-18T02:01:20.947629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

627b555ab393a2177225f0a09e82d219a3dd99787e8d0ee6ac498750e5a0ada7

Aliases

arxiv: 1107.1781 · arxiv_version: 1107.1781v1 · doi: 10.48550/arxiv.1107.1781 · pith_short_12: MJ5VKWVTSORB · pith_short_16: MJ5VKWVTSORBO4RF · pith_short_8: MJ5VKWVT

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/MJ5VKWVTSORBO4RF6CQJ5AWSDG \
  | 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: 627b555ab393a2177225f0a09e82d219a3dd99787e8d0ee6ac498750e5a0ada7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c341b2095b6ec626fafb325c5405b85ea2897f144c6e35ee8d6d8674b441bdf4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-09T12:48:27Z",
    "title_canon_sha256": "a7c66c32f59156c3298bb3b209c0d23dc04c95839f6c9b51416aaeb14b406821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1781",
    "kind": "arxiv",
    "version": 1
  }
}