Pith Number

pith:2WU7GY76

pith:2020:2WU7GY76VWYZHHETQLN4RDGCSI

not attested not anchored not stored refs pending

A Broadband Signal Recycling Scheme for Approaching the Quantum Limit from Optical Losses

Haixing Miao, Joe Bentley, Teng Zhang

arxiv:2011.04793 v3 · 2020-11-09 · gr-qc · 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{2WU7GY76VWYZHHETQLN4RDGCSI}

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	2026-07-05T02:15:34.438418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a9f363feadb1939c9382dbc88cc2921bbb0e5e41651f0fb7d8e24d928ca53c

Aliases

arxiv: 2011.04793 · arxiv_version: 2011.04793v3 · doi: 10.48550/arxiv.2011.04793 · pith_short_12: 2WU7GY76VWYZ · pith_short_16: 2WU7GY76VWYZHHET · pith_short_8: 2WU7GY76

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/2WU7GY76VWYZHHETQLN4RDGCSI \
  | 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: d5a9f363feadb1939c9382dbc88cc2921bbb0e5e41651f0fb7d8e24d928ca53c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f56336ff32745ed82c99f5b2e36654b3d4c33bb711e8a73d1d335ba63a81152",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-11-09T21:50:20Z",
    "title_canon_sha256": "283e86f35e14be00406c36f50ae3eea3b0d0b66c9c5253078346462777684e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04793",
    "kind": "arxiv",
    "version": 3
  }
}