Pith Number

pith:RMLGSMS4

pith:2026:RMLGSMS4T3P36WZQZTBFLK72OK

not attested not anchored not stored refs pending

Sparse Phase Ansatzes for Resource-Efficient Qudit State Preparation via the SNAP-Displacement Protocol

Maurizio Ferrari Dacrema

arxiv:2603.12203 v2 · 2026-03-12 · 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{RMLGSMS4T3P36WZQZTBFLK72OK}

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	2026-05-20T00:02:10.462406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b1669325c9edfbf5b30ccc255abfa72b4f88a0ee1c3f498c4cd7ef977d4ff55

Aliases

arxiv: 2603.12203 · arxiv_version: 2603.12203v2 · doi: 10.48550/arxiv.2603.12203 · pith_short_12: RMLGSMS4T3P3 · pith_short_16: RMLGSMS4T3P36WZQ · pith_short_8: RMLGSMS4

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/RMLGSMS4T3P36WZQZTBFLK72OK \
  | 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: 8b1669325c9edfbf5b30ccc255abfa72b4f88a0ee1c3f498c4cd7ef977d4ff55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a831d86a6a0c99973a21ef2a9806ab95c7a1c2649f76f60d5e262f2e973f8f1a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-12T17:28:34Z",
    "title_canon_sha256": "924e3262d9860d4917f2a72d7e295a4a53320d23be65ee5306b995e74465eb31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.12203",
    "kind": "arxiv",
    "version": 2
  }
}