Pith Number

pith:7LEV5YGI

pith:2025:7LEV5YGI4UD3J3UEWN6VPKISYJ

not attested not anchored not stored refs pending

Variational quantum algorithm for the Poisson equation based on the banded Toeplitz systems

Ming Li, Shu-Qian Shen, Xiaoqi Liu, Yuedi Qu

arxiv:2504.14828 v1 · 2025-04-21 · 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{7LEV5YGI4UD3J3UEWN6VPKISYJ}

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	2026-07-05T10:51:51.107773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac95ee0c8e507b4ee84b37d57a912c2722a4e13af9f972ccf8a7c883b39b086

Aliases

arxiv: 2504.14828 · arxiv_version: 2504.14828v1 · doi: 10.48550/arxiv.2504.14828 · pith_short_12: 7LEV5YGI4UD3 · pith_short_16: 7LEV5YGI4UD3J3UE · pith_short_8: 7LEV5YGI

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/7LEV5YGI4UD3J3UEWN6VPKISYJ \
  | 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: fac95ee0c8e507b4ee84b37d57a912c2722a4e13af9f972ccf8a7c883b39b086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f1959458cf1c831a3078b373af8e5abc2869c823ce4644b376c902205768fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-21T03:07:49Z",
    "title_canon_sha256": "59ba33d18e5101b7a5e55295798241632080fd9f6a482cf1f467bf9750a923e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14828",
    "kind": "arxiv",
    "version": 1
  }
}