Pith Number

pith:47MSA6BB

pith:2020:47MSA6BBE76WJI3WGKW35P2G5A

not attested not anchored not stored refs pending

Preserving Symmetries for Variational Quantum Eigensolvers in the Presence of Noise

Bryan T. Gard, Edwin Barnes, George S. Barron, Nicholas J. Mayhall, Orien J. Altman, Sophia E. Economou

arxiv:2003.00171 v1 · 2020-02-29 · 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{47MSA6BBE76WJI3WGKW35P2G5A}

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	2026-07-05T03:11:52.772964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d920782127fd64a37632adbebf46e8262fdb02cc66e71608b81a72215153f7

Aliases

arxiv: 2003.00171 · arxiv_version: 2003.00171v1 · doi: 10.48550/arxiv.2003.00171 · pith_short_12: 47MSA6BBE76W · pith_short_16: 47MSA6BBE76WJI3W · pith_short_8: 47MSA6BB

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/47MSA6BBE76WJI3WGKW35P2G5A \
  | 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: e7d920782127fd64a37632adbebf46e8262fdb02cc66e71608b81a72215153f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba421e1813fde93b010b61671cfcc15247fc413da7c5e45fba567863499aa613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-29T03:37:41Z",
    "title_canon_sha256": "99f1c2289c9538d072928c75876b2f85cf8c568955a6be1ab29efc9d7cb7b922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00171",
    "kind": "arxiv",
    "version": 1
  }
}