Pith Number

pith:WNGP63VU

pith:2021:WNGP63VUYMRY6BV5WXG3F2WATZ

not attested not anchored not stored refs pending

A Hybrid Quantum-Classical Hamiltonian Learning Algorithm

Guangxi Li, Xin Wang, Youle Wang

arxiv:2103.01061 v2 · 2021-03-01 · quant-ph · cond-mat.stat-mech · cs.LG · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNGP63VUYMRY6BV5WXG3F2WATZ}

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	2026-07-05T07:00:18.000248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b34cff6eb4c3238f06bdb5cdb2eac09e72b0e5404bbf3bbb8d6b8f71a82219fd

Aliases

arxiv: 2103.01061 · arxiv_version: 2103.01061v2 · doi: 10.48550/arxiv.2103.01061 · pith_short_12: WNGP63VUYMRY · pith_short_16: WNGP63VUYMRY6BV5 · pith_short_8: WNGP63VU

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/WNGP63VUYMRY6BV5WXG3F2WATZ \
  | 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: b34cff6eb4c3238f06bdb5cdb2eac09e72b0e5404bbf3bbb8d6b8f71a82219fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd5d94ecbb8ffc2c359d6b65029daacf15ee808a684eb34200319ae885cd96e",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.LG",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-01T15:15:58Z",
    "title_canon_sha256": "aaa4769da95fbd70b7fafcd062cf1a0ff63575a01e71a6fa1e47b8105a57adbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01061",
    "kind": "arxiv",
    "version": 2
  }
}