Pith Number

pith:2SY7A7VE

pith:2025:2SY7A7VECL33VTQLWKFGDLHYFA

not attested not anchored not stored refs pending

Quantum-Enhanced Spectral Solution of the Poisson Equation

G. Intoccia, G. Pepe, S. Cuomo, U. Chirico

arxiv:2506.07743 v1 · 2025-06-09 · math.NA · cs.ET · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SY7A7VECL33VTQLWKFGDLHYFA}

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	2026-07-05T11:18:32.565305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4b1f07ea412f7bace0bb28a61acf8281c029f4a9982fd83165d1bd62d388b91

Aliases

arxiv: 2506.07743 · arxiv_version: 2506.07743v1 · doi: 10.48550/arxiv.2506.07743 · pith_short_12: 2SY7A7VECL33 · pith_short_16: 2SY7A7VECL33VTQL · pith_short_8: 2SY7A7VE

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/2SY7A7VECL33VTQLWKFGDLHYFA \
  | 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: d4b1f07ea412f7bace0bb28a61acf8281c029f4a9982fd83165d1bd62d388b91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6e34431e62d5914b6c34849572a9863a619c5e1aa0369f62509b6205aca09c1",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-09T13:25:52Z",
    "title_canon_sha256": "b48449effb972118324f9975d0faee10ea47c96a27e88522c6a6b8974210e1e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07743",
    "kind": "arxiv",
    "version": 1
  }
}