Pith Number

pith:QLYV7J5V

pith:2021:QLYV7J5V67UU4J6O3GDIPL4CAB

not attested not anchored not stored refs pending

Quantum Phase Recognition via Quantum Kernel Methods

Bujiao Wu, Jingbo Wang, Xiao Yuan, Yusen Wu

arxiv:2111.07553 v4 · 2021-11-15 · 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{QLYV7J5V67UU4J6O3GDIPL4CAB}

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	2026-07-05T06:01:55.631468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f15fa7b5f7e94e27ced98687af82005ea55038e2331d8588f1dafacc74635b

Aliases

arxiv: 2111.07553 · arxiv_version: 2111.07553v4 · doi: 10.48550/arxiv.2111.07553 · pith_short_12: QLYV7J5V67UU · pith_short_16: QLYV7J5V67UU4J6O · pith_short_8: QLYV7J5V

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/QLYV7J5V67UU4J6O3GDIPL4CAB \
  | 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: 82f15fa7b5f7e94e27ced98687af82005ea55038e2331d8588f1dafacc74635b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e35827d1079bd7af362dba33d61ea83cfa78ee59fa9b32cf80de17a4f152e23",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-15T06:17:52Z",
    "title_canon_sha256": "a4f5f7b16109026e61b1d945a38d9cc509e0cb0821cf8230ab27f4db73910c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07553",
    "kind": "arxiv",
    "version": 4
  }
}