Pith Number

pith:2QRZUQPQ

pith:2018:2QRZUQPQZJAPTVI4LKLFU7D5Z7

not attested not anchored not stored refs pending

Implementation of a single-shot receiver for quaternary phase-shift keyed coherent states

E. Carrasco, F. E. Becerra, M. T. DiMario, R. A. Jackson

arxiv:1803.07209 v1 · 2018-03-20 · 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{2QRZUQPQZJAPTVI4LKLFU7D5Z7}

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	2026-05-18T00:20:33.973281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4239a41f0ca40f9d51c5a965a7c7dcfff21db31a2a605b73da783edab502ac3

Aliases

arxiv: 1803.07209 · arxiv_version: 1803.07209v1 · doi: 10.48550/arxiv.1803.07209 · pith_short_12: 2QRZUQPQZJAP · pith_short_16: 2QRZUQPQZJAPTVI4 · pith_short_8: 2QRZUQPQ

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/2QRZUQPQZJAPTVI4LKLFU7D5Z7 \
  | 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: d4239a41f0ca40f9d51c5a965a7c7dcfff21db31a2a605b73da783edab502ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3152497fa94f159df4ee3616ba5155fa00c0726d5cd141c09b61197cc9d0d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-20T01:06:30Z",
    "title_canon_sha256": "8c8ba5b2f81c7562aa9decaa863133e4ae41ea26a122bdcb6ba1fbc1ad7d3cc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07209",
    "kind": "arxiv",
    "version": 1
  }
}