Pith Number

pith:VQNSN7WF

pith:2014:VQNSN7WFMMNUFXMLA4POV6E7NJ

not attested not anchored not stored refs pending

Optimal receiver for binary coherent signals

Denis Sych, Gerd Leuchs

arxiv:1404.5033 v1 · 2014-04-20 · 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{VQNSN7WFMMNUFXMLA4POV6E7NJ}

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	2026-05-18T00:53:12.703676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac1b26fec5631b42dd8b071eeaf89f6a6c23cfc419169d3fa6929f536684f828

Aliases

arxiv: 1404.5033 · arxiv_version: 1404.5033v1 · doi: 10.48550/arxiv.1404.5033 · pith_short_12: VQNSN7WFMMNU · pith_short_16: VQNSN7WFMMNUFXML · pith_short_8: VQNSN7WF

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/VQNSN7WFMMNUFXMLA4POV6E7NJ \
  | 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: ac1b26fec5631b42dd8b071eeaf89f6a6c23cfc419169d3fa6929f536684f828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "481fc8afb6bcb6354833aef2058d3006971f7113bc8c964577e0bfa4325cec06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-20T11:42:37Z",
    "title_canon_sha256": "f5098edd83669939e79ba5aa77031a5229ade38472008f790e0dd033adcd8199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5033",
    "kind": "arxiv",
    "version": 1
  }
}