Pith Number

pith:5VDPYZED

pith:2026:5VDPYZEDIZMBHUVPHR7GMZTO7U

not attested not anchored not stored refs pending

Problem-Specific Basis Quantum State Readout via Proper Orthogonal Decomposition

Gekko Budiutama, Hirofumi Nishi, Kota Ichiki, Masari Watanabe, Nagai Ryutaro, Ryunosuke Terasawa, Takayuki Suzuki, Xinchi Huang, Yoshifumi Kawada, Yu-ichiro Matsushita

arxiv:2605.27915 v1 · 2026-05-27 · 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{5VDPYZEDIZMBHUVPHR7GMZTO7U}

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	2026-05-28T01:04:52.368642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed46fc6483465813d2af3c7e66666efd0c745681b1f92d799cf5a0e8c738e7af

Aliases

arxiv: 2605.27915 · arxiv_version: 2605.27915v1 · doi: 10.48550/arxiv.2605.27915 · pith_short_12: 5VDPYZEDIZMB · pith_short_16: 5VDPYZEDIZMBHUVP · pith_short_8: 5VDPYZED

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/5VDPYZEDIZMBHUVPHR7GMZTO7U \
  | 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: ed46fc6483465813d2af3c7e66666efd0c745681b1f92d799cf5a0e8c738e7af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad049720789e0d9148e149646bc46a559ec93a98b5fb048f1a8ed6b86f706241",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-27T03:42:29Z",
    "title_canon_sha256": "585ce948be5f5d344ceab7d45eaee5709ea47c36e5888ed062a84678e0f0a43f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27915",
    "kind": "arxiv",
    "version": 1
  }
}