Pith Number

pith:LQ3266SF

pith:2026:LQ3266SFBW4JUJJXUK2YH4TMSO

not attested not anchored not stored refs pending

Attenuation scaling and error analysis of 2f and 4f architectures for free-space optical matrix-vector multiplication

Dawson Lyles, Spencer LaVere Smith

arxiv:2606.23988 v1 · 2026-06-22 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LQ3266SFBW4JUJJXUK2YH4TMSO}

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	2026-06-24T00:14:32.382611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c37af7a450db89a2537a2b583f26c93b8d6e80cd3b9c59493704c7fe5f02e15

Aliases

arxiv: 2606.23988 · arxiv_version: 2606.23988v1 · doi: 10.48550/arxiv.2606.23988 · pith_short_12: LQ3266SFBW4J · pith_short_16: LQ3266SFBW4JUJJX · pith_short_8: LQ3266SF

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/LQ3266SFBW4JUJJXUK2YH4TMSO \
  | 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: 5c37af7a450db89a2537a2b583f26c93b8d6e80cd3b9c59493704c7fe5f02e15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da92a01720b388a562b6829a244b99369f05e9b05c2d7681165154ad5f1cf30d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-22T22:36:10Z",
    "title_canon_sha256": "a9937bc058ad8e02f1b6a3e45e85e2c639cdc4dcbc6fd315ddae9eb8f1d3084e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23988",
    "kind": "arxiv",
    "version": 1
  }
}