Pith Number

pith:KHCI6NPS

pith:2025:KHCI6NPS5EAE3CQMHOXXJXAWTM

not attested not anchored not stored refs pending

New Quantum Algorithm for Principal Component Analysis

Nhat A. Nghiem

arxiv:2501.07891 v1 · 2025-01-14 · 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{KHCI6NPS5EAE3CQMHOXXJXAWTM}

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

2 papers in Pith

Research progress on quantum neural networks and quantum machine learning

Filtered Spectral Projection for Quantum Principal Component Analysis

Receipt and verification

First computed	2026-07-05T10:00:52.021849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c48f35f2e9004d8a0c3baf74dc169b0f6fa2ecb37e35b4250f7358392bea49

Aliases

arxiv: 2501.07891 · arxiv_version: 2501.07891v1 · doi: 10.48550/arxiv.2501.07891 · pith_short_12: KHCI6NPS5EAE · pith_short_16: KHCI6NPS5EAE3CQM · pith_short_8: KHCI6NPS

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/KHCI6NPS5EAE3CQMHOXXJXAWTM \
  | 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: 51c48f35f2e9004d8a0c3baf74dc169b0f6fa2ecb37e35b4250f7358392bea49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf58fb75fd7201cc2d9cd190445b2e11b738c4f0c7df27bdabd41e96f186601c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-14T07:13:23Z",
    "title_canon_sha256": "0c7b55a2ffb21bd465c21bdb4afb727f8117f260834375603f468ada233b5f7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07891",
    "kind": "arxiv",
    "version": 1
  }
}