Pith Number

pith:RYT4UAWW

pith:2023:RYT4UAWWWJMYYWCJ42YXFQ7VGK

not attested not anchored not stored refs pending

Practical quantum secure direct communication with squeezed states

Alessandro Zavatta, Angelo Bassi, Faezeh Mousavi, Francesco Scazza, Iris Paparelle, Matteo Paris

arxiv:2306.14322 v2 · 2023-06-25 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYT4UAWWWJMYYWCJ42YXFQ7VGK}

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	2026-07-05T11:36:17.852051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e27ca02d6b2598c5849e6b172c3f5328baadf2842577a61c896c3512dba5210

Aliases

arxiv: 2306.14322 · arxiv_version: 2306.14322v2 · doi: 10.48550/arxiv.2306.14322 · pith_short_12: RYT4UAWWWJMY · pith_short_16: RYT4UAWWWJMYYWCJ · pith_short_8: RYT4UAWW

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/RYT4UAWWWJMYYWCJ42YXFQ7VGK \
  | 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: 8e27ca02d6b2598c5849e6b172c3f5328baadf2842577a61c896c3512dba5210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16a14b34d19875437e7df2a4ba09d2b9306d4639520f4a56b440d7f13fb1188c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-06-25T19:23:42Z",
    "title_canon_sha256": "bbdba68364958d9452af6f598ac42b4e2f35054b331cd9536cf04a9749ad4a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.14322",
    "kind": "arxiv",
    "version": 2
  }
}