Pith Number

pith:4NMKDJPA

pith:2023:4NMKDJPANBHPHVZBZSLPVJEJDH

not attested not anchored not stored refs pending

How to really measure operator gradients in ADAPT-VQE

Edwin Barnes, Nicholas J. Mayhall, Panagiotis G. Anastasiou, Sophia E. Economou

arxiv:2306.03227 v3 · 2023-06-05 · 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{4NMKDJPANBHPHVZBZSLPVJEJDH}

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

Exponential Scaling Barriers for Variational Quantum Eigensolvers

Receipt and verification

First computed	2026-06-23T01:12:43.588978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e358a1a5e0684ef3d721cc96faa48919eb57b79d1530a799a13c5d6d4ec2509a

Aliases

arxiv: 2306.03227 · arxiv_version: 2306.03227v3 · doi: 10.48550/arxiv.2306.03227 · pith_short_12: 4NMKDJPANBHP · pith_short_16: 4NMKDJPANBHPHVZB · pith_short_8: 4NMKDJPA

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/4NMKDJPANBHPHVZBZSLPVJEJDH \
  | 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: e358a1a5e0684ef3d721cc96faa48919eb57b79d1530a799a13c5d6d4ec2509a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf7da36266ff75d95275e45f4b200da3ab01b552c6c12cc9b05ba30e008a2b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-06-05T20:22:04Z",
    "title_canon_sha256": "27b25ed90876c3e6c054469de46fe47ffe271a94976abaa12f672b6cbba6b0be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.03227",
    "kind": "arxiv",
    "version": 3
  }
}