Pith Number

pith:MOUGQZDM

pith:2026:MOUGQZDMOCSCDG6RYD3KIZHEKO

not attested not anchored not stored refs pending

Characterization of nested Walsh parity-check filters in a single-photon eight-mode register on a cloud photonic processor

Emma Tully, Jonathan Washburn, Megan Simons

arxiv:2606.18408 v1 · 2026-06-16 · quant-ph · 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{MOUGQZDMOCSCDG6RYD3KIZHEKO}

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	2026-06-19T16:11:00.619876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63a868646c70a4219bd1c0f6a464e453bc0d67ec541f81a9d5b3dbdfe9924378

Aliases

arxiv: 2606.18408 · arxiv_version: 2606.18408v1 · doi: 10.48550/arxiv.2606.18408 · pith_short_12: MOUGQZDMOCSC · pith_short_16: MOUGQZDMOCSCDG6R · pith_short_8: MOUGQZDM

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/MOUGQZDMOCSCDG6RYD3KIZHEKO \
  | 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: 63a868646c70a4219bd1c0f6a464e453bc0d67ec541f81a9d5b3dbdfe9924378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ac3f6b47e8d77bd61c0ed59fc6a1c00a4878b5f5154ad53140ce4ed2d40d8e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-16T19:01:47Z",
    "title_canon_sha256": "96039fcc0c5b2d9de749948f5061f1e02dd0075607d786b6946c4f4ded90dc2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18408",
    "kind": "arxiv",
    "version": 1
  }
}