Pith Number

pith:DUNSMOFM

pith:2024:DUNSMOFMA7BGWQFNSC3JZ6QSIT

not attested not anchored not stored refs pending

A Photonic Parameter-shift Rule: Enabling Gradient Computation for Photonic Quantum Computers

Axel Pappalardo, Bob Coecke, Brian Ventura, Giovanni De Felice, Hugo Jaunin, Pierre-Emmanuel Emeriau, Richie Yeung, Shane Mansfield

arxiv:2410.02726 v3 · 2024-10-03 · 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{DUNSMOFMA7BGWQFNSC3JZ6QSIT}

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	2026-07-05T11:38:01.215122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1b2638ac07c26b40ad90b69cfa1244c207acb01583f7b6a7156aa1daebe4f1

Aliases

arxiv: 2410.02726 · arxiv_version: 2410.02726v3 · doi: 10.48550/arxiv.2410.02726 · pith_short_12: DUNSMOFMA7BG · pith_short_16: DUNSMOFMA7BGWQFN · pith_short_8: DUNSMOFM

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/DUNSMOFMA7BGWQFNSC3JZ6QSIT \
  | 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: 1d1b2638ac07c26b40ad90b69cfa1244c207acb01583f7b6a7156aa1daebe4f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4fd6d03275a41ecb9df892adddacfb9201937fee1381c3f63dc1e74404ea20e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-10-03T17:47:38Z",
    "title_canon_sha256": "5001cb1ffb706cff1c389868ad376466392244bc582886655ae866231857c3ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.02726",
    "kind": "arxiv",
    "version": 3
  }
}