Pith Number

pith:VRDQHE3N

pith:2013:VRDQHE3NQM2LOQY465BHHS6U7N

not attested not anchored not stored refs pending

Tomography scheme for two spin-1/2 qubits in a double quantum dot

Guido Burkard, Niklas Rohling

arxiv:1304.2954 v1 · 2013-04-10 · quant-ph · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRDQHE3NQM2LOQY465BHHS6U7N}

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	2026-05-18T01:22:43.974343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac4703936d8334b7431cf74273cbd4fb6ee7a9b7c01f935b2f963bedea191184

Aliases

arxiv: 1304.2954 · arxiv_version: 1304.2954v1 · doi: 10.48550/arxiv.1304.2954 · pith_short_12: VRDQHE3NQM2L · pith_short_16: VRDQHE3NQM2LOQY4 · pith_short_8: VRDQHE3N

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/VRDQHE3NQM2LOQY465BHHS6U7N \
  | 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: ac4703936d8334b7431cf74273cbd4fb6ee7a9b7c01f935b2f963bedea191184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bdc00438ea8e1fe45c1e0dd6bacb47807e48f6e7e5cb39d985d577c853b21b8",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-10T13:34:44Z",
    "title_canon_sha256": "19f3d68c4b95f7864a4a2ce734ae93265ab455dc5eb93508f1a2aa497416610a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2954",
    "kind": "arxiv",
    "version": 1
  }
}