Pith. sign in
Pith Number

pith:BIIHHGF6

pith:2021:BIIHHGF6FNN7YXT64L6JTV3DWO
not attested not anchored not stored refs pending

One qubit as a Universal Approximant

Adri\'an P\'erez-Salinas, Artur Garc\'ia-S\'aez, David L\'opez-N\'u\~nez, Jos\'e I. Latorre, P. Forn-D\'iaz

arxiv:2102.04032 v2 · 2021-02-08 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BIIHHGF6FNN7YXT64L6JTV3DWO}

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

Receipt and verification
First computed 2026-07-05T02:57:14.765579Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0a107398be2b5bfc5e7ee2fc99d763b3aff6a9b0f4d937a3d79b107deead170d

Aliases

arxiv: 2102.04032 · arxiv_version: 2102.04032v2 · doi: 10.48550/arxiv.2102.04032 · pith_short_12: BIIHHGF6FNN7 · pith_short_16: BIIHHGF6FNN7YXT6 · pith_short_8: BIIHHGF6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BIIHHGF6FNN7YXT64L6JTV3DWO \
  | 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: 0a107398be2b5bfc5e7ee2fc99d763b3aff6a9b0f4d937a3d79b107deead170d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bcbf1073cad06a3cf9b286c87021159dc0e210d02920fb5f68cadd0a52f0956b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-08T07:10:31Z",
    "title_canon_sha256": "56b2a1e0d9c75ebd553bcbf1ddd6a0936d3c395d38fa8d5a0df4e1576d7c7958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04032",
    "kind": "arxiv",
    "version": 2
  }
}