Pith Number

pith:DR3DI2DI

pith:2025:DR3DI2DI3WWPJ5JL4BT5WOAJ2H

not attested not anchored not stored refs pending

Improved Quantum Computation using Operator Backpropagation

Abhinav Kandala, Andre He, Antonio Mezzacapo, Bryce Fuller, Caleb Johnson, Danylo Lykov, DinhDuy Vu, Ken Xuan Wei, Kunal Sharma, Max Rossmannek, Minh C. Tran, Youngseok Kim, Yuri Alexeev

arxiv:2502.01897 v1 · 2025-02-04 · 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{DR3DI2DI3WWPJ5JL4BT5WOAJ2H}

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

3 papers in Pith

Computing noise-canceling observables via Pauli propagation

Combining non-parametric quantum states and MERA tensor networks for ground-state optimization

Reliable high-accuracy error mitigation for utility-scale quantum circuits

Receipt and verification

First computed	2026-07-05T10:09:20.878706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c76346868ddacf4f52be067db3809d1d76b77f665bfc2771977249371cede56

Aliases

arxiv: 2502.01897 · arxiv_version: 2502.01897v1 · doi: 10.48550/arxiv.2502.01897 · pith_short_12: DR3DI2DI3WWP · pith_short_16: DR3DI2DI3WWPJ5JL · pith_short_8: DR3DI2DI

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/DR3DI2DI3WWPJ5JL4BT5WOAJ2H \
  | 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: 1c76346868ddacf4f52be067db3809d1d76b77f665bfc2771977249371cede56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b9965de87633c22b27b798de893395ed6ac20ea46307714e6a59c6f4329649e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-04T00:03:07Z",
    "title_canon_sha256": "578f62e8c669e926552139a37aef02049c94ac3ab4a268e93729ce1f446fa97e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01897",
    "kind": "arxiv",
    "version": 1
  }
}