Pith Number

pith:272RO7VL

pith:2026:272RO7VL2KOUETPUA5AWJA4YBH

not attested not anchored not stored refs pending

Quantum block encoding for one-pair semiseparable matrices

Giacomo Antonioli, Gianna M. Del Corso, Margherita Porcelli, Paola Boito

arxiv:2603.19130 v2 · 2026-03-19 · quant-ph · cs.NA · math.NA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{272RO7VL2KOUETPUA5AWJA4YBH}

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.

Cited by

1 paper in Pith

A Quantum Spectral Framework for Solving PDEs

Receipt and verification

First computed	2026-06-30T02:17:18.686230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f5177eabd29d424df4074164839809fb7c98d32277a1dc254d21d74ffac3e7

Aliases

arxiv: 2603.19130 · arxiv_version: 2603.19130v2 · doi: 10.48550/arxiv.2603.19130 · pith_short_12: 272RO7VL2KOU · pith_short_16: 272RO7VL2KOUETPU · pith_short_8: 272RO7VL

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/272RO7VL2KOUETPUA5AWJA4YBH \
  | 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: d7f5177eabd29d424df4074164839809fb7c98d32277a1dc254d21d74ffac3e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64758a8383df23e84a237dcad3b024330645cc691a35bc5333e42903d21b8e79",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.QA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-19T16:49:13Z",
    "title_canon_sha256": "4319d3fc96bde8dbbcfd7c8f9154b90c84dea067adc0307b40640a6b06de67eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.19130",
    "kind": "arxiv",
    "version": 2
  }
}