Pith Number

pith:VFSI74P3

pith:2020:VFSI74P3RRZSFDZCJRLRUWVY3S

not attested not anchored not stored refs pending

Gate-free state preparation for fast variational quantum eigensolver simulations: ctrl-VQE

Bryan T. Gard, David P. Pappas, Edwin Barnes, George S. Barron, Nicholas J. Mayhall, Oinam Romesh Meitei, Sophia E. Economou

arxiv:2008.04302 v3 · 2020-08-10 · quant-ph · cond-mat.str-el · physics.chem-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{VFSI74P3RRZSFDZCJRLRUWVY3S}

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

Software Between Quantum and Machine Learning -- And Down to Pulses

Receipt and verification

First computed	2026-07-05T02:39:03.912558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9648ff1fb8c73228f224c571a5ab8dcba06eedeafd1b4d5635713eedaf4c0fa

Aliases

arxiv: 2008.04302 · arxiv_version: 2008.04302v3 · doi: 10.48550/arxiv.2008.04302 · pith_short_12: VFSI74P3RRZS · pith_short_16: VFSI74P3RRZSFDZC · pith_short_8: VFSI74P3

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/VFSI74P3RRZSFDZCJRLRUWVY3S \
  | 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: a9648ff1fb8c73228f224c571a5ab8dcba06eedeafd1b4d5635713eedaf4c0fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c0133d159ac4df8ea8678ba0e1ac1ddcd27c258372739c713095c598a6ef722",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-08-10T17:53:09Z",
    "title_canon_sha256": "e727c3ed3e981f68a861285f0e8c51a4dabb4f67b7c6977b9bc9708b6bc91b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.04302",
    "kind": "arxiv",
    "version": 3
  }
}