Pith Number

pith:FJA26LKM

pith:2020:FJA26LKM65FAD5MSQYVD73LUN3

not attested not anchored not stored refs pending

Engineering the Cost Function of a Variational Quantum Algorithm for Implementation on Near-Term Devices

A. Y. Matsuura, Shavindra P. Premaratne

arxiv:2006.03747 v1 · 2020-06-06 · 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{FJA26LKM65FAD5MSQYVD73LUN3}

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	2026-07-05T02:23:57.141656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a41af2d4cf74a01f592862a3fed746ed9fac243f57b128f631af9c3ef83a59c

Aliases

arxiv: 2006.03747 · arxiv_version: 2006.03747v1 · doi: 10.48550/arxiv.2006.03747 · pith_short_12: FJA26LKM65FA · pith_short_16: FJA26LKM65FAD5MS · pith_short_8: FJA26LKM

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/FJA26LKM65FAD5MSQYVD73LUN3 \
  | 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: 2a41af2d4cf74a01f592862a3fed746ed9fac243f57b128f631af9c3ef83a59c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09675906ee4e34aeb463efeb45d6a398e0c422fc431e284d19ef0754ed42d373",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-06-06T01:17:34Z",
    "title_canon_sha256": "cddbd999123003224606f61d777acfe511647565e82849c00653c19501302132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.03747",
    "kind": "arxiv",
    "version": 1
  }
}