Pith Number

pith:V7SZERYQ

pith:2025:V7SZERYQUTVX6X6YPFCNJNXARR

not attested not anchored not stored refs pending

Unitary Expressions: A Necessary Abstraction for Extensible Quantum Programming Languages and Systems

Ed Younis

arxiv:2501.09667 v1 · 2025-01-16 · cs.PL · 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{V7SZERYQUTVX6X6YPFCNJNXARR}

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	2026-07-05T10:01:50.387820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe5924710a4eb7f5fd87944d4b6e08c72bc94b9320031002c7a05b5c39be61a

Aliases

arxiv: 2501.09667 · arxiv_version: 2501.09667v1 · doi: 10.48550/arxiv.2501.09667 · pith_short_12: V7SZERYQUTVX · pith_short_16: V7SZERYQUTVX6X6Y · pith_short_8: V7SZERYQ

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/V7SZERYQUTVX6X6YPFCNJNXARR \
  | 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: afe5924710a4eb7f5fd87944d4b6e08c72bc94b9320031002c7a05b5c39be61a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63378474b5ab14c0a288537fc4751efef26383e54046e2527dc8fdfb72ccf833",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-01-16T17:05:41Z",
    "title_canon_sha256": "0483700e0c0df7c57fc58a88654df3af87abdb62d67931bd6ee8cfc530efbdf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09667",
    "kind": "arxiv",
    "version": 1
  }
}