Pith Number

pith:CG2PTB4X

pith:2020:CG2PTB4XLFYOUTMWRGI2RYHN7V

not attested not anchored not stored refs pending

Learning Unitaries by Gradient Descent

Bobak Toussi Kiani, Reevu Maity, Seth Lloyd

arxiv:2001.11897 v3 · 2020-01-31 · quant-ph · cs.LG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CG2PTB4XLFYOUTMWRGI2RYHN7V}

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

The Dynamical Lie Algebra of QAOA-MaxCut on the Complete Graph

Near-Optimal Quantum Time Evolution Circuits via Provably Convergent Compression

Receipt and verification

First computed	2026-07-05T00:42:22.963883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b4f987975970ea4d968991a8e0edfd4bbdc908ccabc0a4fef53b65c527289d

Aliases

arxiv: 2001.11897 · arxiv_version: 2001.11897v3 · doi: 10.48550/arxiv.2001.11897 · pith_short_12: CG2PTB4XLFYO · pith_short_16: CG2PTB4XLFYOUTMW · pith_short_8: CG2PTB4X

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/CG2PTB4XLFYOUTMWRGI2RYHN7V \
  | 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: 11b4f987975970ea4d968991a8e0edfd4bbdc908ccabc0a4fef53b65c527289d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99eeb5e970cc1cc5a3e0b61781fde0ecfba063f62609835571df83f581dfdd93",
    "cross_cats_sorted": [
      "cs.LG",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-01-31T15:20:55Z",
    "title_canon_sha256": "334c401e5e5c0b7de9b6e23a02b0c48fb5ad8e771e6d4453aa4ca73f94d9ac82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11897",
    "kind": "arxiv",
    "version": 3
  }
}