Pith Number

pith:UCDCVXL5

pith:2025:UCDCVXL5DBAQPMHIGOJXK2G3MV

not attested not anchored not stored refs pending

Pitfalls when tackling the exponential concentration of parameterized quantum models

Behrang Tafreshi, Reyhaneh Aghaei Saem, Supanut Thanasilp, Zo\"e Holmes

arxiv:2507.22054 v2 · 2025-07-29 · quant-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCDCVXL5DBAQPMHIGOJXK2G3MV}

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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

Trainability Beyond Linearity in Variational Quantum Objectives

Receipt and verification

First computed	2026-06-05T01:15:15.031794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0862add7d184107b0e833937568db655625843918dc6433269ae9ddce597292

Aliases

arxiv: 2507.22054 · arxiv_version: 2507.22054v2 · doi: 10.48550/arxiv.2507.22054 · pith_short_12: UCDCVXL5DBAQ · pith_short_16: UCDCVXL5DBAQPMHI · pith_short_8: UCDCVXL5

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/UCDCVXL5DBAQPMHIGOJXK2G3MV \
  | 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: a0862add7d184107b0e833937568db655625843918dc6433269ae9ddce597292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5569729711899163bc4821e52332c330d9b49865853648ecb8f8e20436035c48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-29T17:57:04Z",
    "title_canon_sha256": "5e818bbfee7837462aa0d4fa565bd81c98552e7213e3da9e6a9e7e86e4f7e316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22054",
    "kind": "arxiv",
    "version": 2
  }
}