Pith Number

pith:4WEWSZTU

pith:2022:4WEWSZTUXCMWO6ZYMJ6M666KTG

not attested not anchored not stored refs pending

Homodyne measurement with a Schr\"odinger cat state as a local oscillator

Austin P. Lund, Joshua Combes

arxiv:2207.10210 v2 · 2022-07-20 · 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{4WEWSZTUXCMWO6ZYMJ6M666KTG}

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	2026-07-05T05:30:43.595062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e589696674b899677b38627ccf7bca9995f746a249e59625aecaa4f9585c401e

Aliases

arxiv: 2207.10210 · arxiv_version: 2207.10210v2 · doi: 10.48550/arxiv.2207.10210 · pith_short_12: 4WEWSZTUXCMW · pith_short_16: 4WEWSZTUXCMWO6ZY · pith_short_8: 4WEWSZTU

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/4WEWSZTUXCMWO6ZYMJ6M666KTG \
  | 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: e589696674b899677b38627ccf7bca9995f746a249e59625aecaa4f9585c401e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a966b5899a1fafd2d308e6c422e9e0f1c1db590255056f55d49b44fee7e3622",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-07-20T22:06:45Z",
    "title_canon_sha256": "3c354f40096cf68c4529642d58621ea85e0b6ff8214b0ec6d8a8cccb16c5b466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10210",
    "kind": "arxiv",
    "version": 2
  }
}