pith. sign in
Pith Number

pith:QQVTFZ4S

pith:2012:QQVTFZ4S6DG4QLYYR5CKLX2QFF
not attested not anchored not stored refs pending

Modular magnetic field on the z-direction on a chain of nuclear spin system and quantum Not and Controlled-Not gates

G.V. Lopez, M. Avila

arxiv:1205.6449 v1 · 2012-03-02 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QQVTFZ4S6DG4QLYYR5CKLX2QFF}

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 2026-05-18T03:54:39.838730Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

842b32e792f0cdc82f188f44a5df50296054eee22e6cc6006a3ad61541ed45e5

Aliases

arxiv: 1205.6449 · arxiv_version: 1205.6449v1 · doi: 10.48550/arxiv.1205.6449 · pith_short_12: QQVTFZ4S6DG4 · pith_short_16: QQVTFZ4S6DG4QLYY · pith_short_8: QQVTFZ4S
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QQVTFZ4S6DG4QLYYR5CKLX2QFF \
  | 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: 842b32e792f0cdc82f188f44a5df50296054eee22e6cc6006a3ad61541ed45e5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dca5f06476a5cfe73ef6b757de52c31fb8d474522ba6c8b6fedc03fa7ed64f3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-02T15:57:24Z",
    "title_canon_sha256": "b5395b2f6f88a25c4198814cbbacb13e239c4c21d24e39cdabaea276e56eb9dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6449",
    "kind": "arxiv",
    "version": 1
  }
}