Pith Number

pith:22HF4YQV

pith:2022:22HF4YQVISFGJCKDYBWKCVFQC6

not attested not anchored not stored refs pending

Reducing Memory Requirements of Quantum Optimal Control

Jan Hueckelheim, Marcelo Bongarti, Paul Hovland, Sri Hari Krishna Narayanan, Thomas Propson

arxiv:2203.12717 v1 · 2022-03-23 · quant-ph · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22HF4YQVISFGJCKDYBWKCVFQC6}

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	2026-07-05T04:08:06.829440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d68e5e6215448a648943c06ca154b017bc664a5b345022787f2087c4df2a6733

Aliases

arxiv: 2203.12717 · arxiv_version: 2203.12717v1 · doi: 10.48550/arxiv.2203.12717 · pith_short_12: 22HF4YQVISFG · pith_short_16: 22HF4YQVISFGJCKD · pith_short_8: 22HF4YQV

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/22HF4YQVISFGJCKDYBWKCVFQC6 \
  | 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: d68e5e6215448a648943c06ca154b017bc664a5b345022787f2087c4df2a6733

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc7d340cfb0be63ad489c2d4da95d3a877f05a0509c91ecb2d7f818d54575338",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-03-23T20:42:54Z",
    "title_canon_sha256": "1a6a4d1051c3cfda8c832614ecce012116f2979d96d2b497c3a34f8ccae4ead4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.12717",
    "kind": "arxiv",
    "version": 1
  }
}