Pith Number

pith:C5HQAFEH

pith:2025:C5HQAFEHB23EIKSDEXRF4WA5BZ

not attested not anchored not stored refs pending

A Spectral Quantum Algorithm for Numerical Differentiation and Integration

Fabio Semperlotti, Jordan Cioni

arxiv:2506.19959 v3 · 2025-06-24 · 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{C5HQAFEHB23EIKSDEXRF4WA5BZ}

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	2026-06-23T01:12:46.112618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

174f0014870eb6442a4325e25e581d0e6f984a6fe399b0b33b2a4db27792eafe

Aliases

arxiv: 2506.19959 · arxiv_version: 2506.19959v3 · doi: 10.48550/arxiv.2506.19959 · pith_short_12: C5HQAFEHB23E · pith_short_16: C5HQAFEHB23EIKSD · pith_short_8: C5HQAFEH

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/C5HQAFEHB23EIKSDEXRF4WA5BZ \
  | 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: 174f0014870eb6442a4325e25e581d0e6f984a6fe399b0b33b2a4db27792eafe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f42f8af29a8d2b9e2e0f78ca61570308df9371800394582b7b470e296db672e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-24T19:11:52Z",
    "title_canon_sha256": "2295ceffc7c324072e3038ba6fdd1bc4fc15cbbdaed44eadc5971de17da8e79e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.19959",
    "kind": "arxiv",
    "version": 3
  }
}