Pith Number

pith:CWI54YUM

pith:2021:CWI54YUMNLRA5S4GO2WDKMXQPS

not attested not anchored not stored refs pending

A compressive sensing based parameter estimation for free space continuous variable quantum key distribution

Chen Dong, Tianyi Wu, Xiaowen Liu, Xingyu Wang

arxiv:2103.14181 v1 · 2021-03-25 · 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{CWI54YUMNLRA5S4GO2WDKMXQPS}

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	2026-07-05T02:26:31.090557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1591de628c6ae20ecb8676ac3532f07ca3a59370bb56ef0bfa2b342e60f9b72f

Aliases

arxiv: 2103.14181 · arxiv_version: 2103.14181v1 · doi: 10.48550/arxiv.2103.14181 · pith_short_12: CWI54YUMNLRA · pith_short_16: CWI54YUMNLRA5S4G · pith_short_8: CWI54YUM

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/CWI54YUMNLRA5S4GO2WDKMXQPS \
  | 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: 1591de628c6ae20ecb8676ac3532f07ca3a59370bb56ef0bfa2b342e60f9b72f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b6b2602db958ed02721e2065877b199486ae4ffa9ca19ad905f79e5b67553d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-25T23:58:40Z",
    "title_canon_sha256": "6f3675ef5f4425f827e50a1065176fab844e5db52c5a114f9c44871211b496ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.14181",
    "kind": "arxiv",
    "version": 1
  }
}