Pith Number

pith:VEQ2YSVS

pith:2022:VEQ2YSVSBMXY2VFGNQFFBDSBX3

not attested not anchored not stored refs pending

CAFQA: A classical simulation bootstrap for variational quantum algorithms

Frederic T. Chong, Gokul Subramanian Ravi, Henry Hoffmann, Jonathan M. Baker, Kaitlin N. Smith, Kenneth R. Brown, Peter J. Love, Pranav Gokhale, William M. Kirby, Yi Ding

arxiv:2202.12924 v4 · 2022-02-25 · quant-ph · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEQ2YSVSBMXY2VFGNQFFBDSBX3}

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

1 paper in Pith

Ground state preparation of random all-to-all Hamiltonians using ADAPT-VQE

Receipt and verification

First computed	2026-07-05T06:55:47.631626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a921ac4ab20b2f8d54a66c0a508e41bed902ba85696c7ee537bdb89fa2075ab8

Aliases

arxiv: 2202.12924 · arxiv_version: 2202.12924v4 · doi: 10.48550/arxiv.2202.12924 · pith_short_12: VEQ2YSVSBMXY · pith_short_16: VEQ2YSVSBMXY2VFG · pith_short_8: VEQ2YSVS

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/VEQ2YSVSBMXY2VFGNQFFBDSBX3 \
  | 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: a921ac4ab20b2f8d54a66c0a508e41bed902ba85696c7ee537bdb89fa2075ab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7467ab035d2e910d34cb0782ac4e3220a40892ab7d7461ca2d94166a3d59db14",
    "cross_cats_sorted": [
      "cs.AR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-25T19:29:59Z",
    "title_canon_sha256": "f7b99d26e53096a52ee3f8977f1436aab94234db81e1ce62d4ae9d8f1ab72057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12924",
    "kind": "arxiv",
    "version": 4
  }
}