Pith Number

pith:M7GPWFS2

pith:2022:M7GPWFS2YXILQO23YMQ3UBU7YB

not attested not anchored not stored refs pending

40 km Fiber Transmission of Squeezed Light Measured with a Real Local Oscillator

Iyad Suleiman, Jens Arnbak Holb{\o}ll Nielsen, Jonas Schou Neergaard-Nielsen, Nitin Jain, Tobias Gehring, Ulrik Lund Andersen, Xueshi Guo

arxiv:2201.10177 v1 · 2022-01-25 · quant-ph · physics.app-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{M7GPWFS2YXILQO23YMQ3UBU7YB}

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	2026-07-05T03:51:16.334783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ccfb165ac5d0b83b5bc321ba069fc06ab37690410acecf77980177a465d0f4

Aliases

arxiv: 2201.10177 · arxiv_version: 2201.10177v1 · doi: 10.48550/arxiv.2201.10177 · pith_short_12: M7GPWFS2YXIL · pith_short_16: M7GPWFS2YXILQO23 · pith_short_8: M7GPWFS2

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/M7GPWFS2YXILQO23YMQ3UBU7YB \
  | 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: 67ccfb165ac5d0b83b5bc321ba069fc06ab37690410acecf77980177a465d0f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56cd1e757f680e8ba5df8dd7243e000e78426f5915ae0f245e4e4d3dee2a4684",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-01-25T08:45:28Z",
    "title_canon_sha256": "958af8e885c639203327acd92a92abd381825c30831dd22f837d37417eb43104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.10177",
    "kind": "arxiv",
    "version": 1
  }
}