Pith Number

pith:VZSUA2WC

pith:2013:VZSUA2WCG2QD3NVWZR2EMO23VM

not attested not anchored not stored refs pending

Homodyne detection as a near-optimum receiver for phase-shift keyed binary communication in the presence of phase diffusion

Fabrizio Castelli, Matteo G. A. Paris, Simone Cialdi, Stefano Olivares

arxiv:1305.4201 v1 · 2013-05-17 · 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{VZSUA2WCG2QD3NVWZR2EMO23VM}

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	2026-05-18T01:49:49.121399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae65406ac236a03db6b6cc74463b5bab3dea99868c8d51828af1ae53e973c297

Aliases

arxiv: 1305.4201 · arxiv_version: 1305.4201v1 · doi: 10.48550/arxiv.1305.4201 · pith_short_12: VZSUA2WCG2QD · pith_short_16: VZSUA2WCG2QD3NVW · pith_short_8: VZSUA2WC

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/VZSUA2WCG2QD3NVWZR2EMO23VM \
  | 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: ae65406ac236a03db6b6cc74463b5bab3dea99868c8d51828af1ae53e973c297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab980e1e91a3dd81dae885caa8d21eac26f6935ceac152c23078154d3c6f85b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-17T22:28:41Z",
    "title_canon_sha256": "8835c72f30623ec87eb3cd7781175ee26d673df73ac9273fa2619fc56ccad1a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4201",
    "kind": "arxiv",
    "version": 1
  }
}