Pith Number

pith:XZPAQ3GI

pith:2024:XZPAQ3GIF2K57L7IENZIOUCTBZ

not attested not anchored not stored refs pending

A Variational Approach to Learning Photonic Unitary Operators

Andrew Forbes, Hadrian Bezuidenhout, Isaac Nape, Jonathan Leach, Mwezi Koni, Paola Concha Obando

arxiv:2406.05727 v1 · 2024-06-09 · physics.optics · 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{XZPAQ3GIF2K57L7IENZIOUCTBZ}

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	2026-07-05T08:29:32.919156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be5e086cc82e95dfafe823728750530e5e078d222790c61f1e1af2bbfb96c9bd

Aliases

arxiv: 2406.05727 · arxiv_version: 2406.05727v1 · doi: 10.48550/arxiv.2406.05727 · pith_short_12: XZPAQ3GIF2K5 · pith_short_16: XZPAQ3GIF2K57L7I · pith_short_8: XZPAQ3GI

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/XZPAQ3GIF2K57L7IENZIOUCTBZ \
  | 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: be5e086cc82e95dfafe823728750530e5e078d222790c61f1e1af2bbfb96c9bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72fcef68c58019c4204fb10549ab565d153e6c2ee2cf77c93cfbea7790c247f",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-06-09T10:36:27Z",
    "title_canon_sha256": "bb99dc9f1f3c2d2f45b6c04b00488164e3ca70c5ac2c8d262e81ed1b09729d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.05727",
    "kind": "arxiv",
    "version": 1
  }
}