Pith Number

pith:AYQSNHKV

pith:2021:AYQSNHKVG4AEW7UVOPKEGGANSM

not attested not anchored not stored refs pending

Key Assistance, Key Agreement, and Layered Secrecy for Bosonic Broadcast Channels

Matthieu R. Bloch, Roberto Ferrara, Uzi Pereg

arxiv:2105.04033 v2 · 2021-05-09 · quant-ph · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYQSNHKVG4AEW7UVOPKEGGANSM}

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	2026-07-05T03:13:49.658139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0621269d5537004b7e9573d443180d931fe58b8cc8546dded24860e074f1259d

Aliases

arxiv: 2105.04033 · arxiv_version: 2105.04033v2 · doi: 10.48550/arxiv.2105.04033 · pith_short_12: AYQSNHKVG4AE · pith_short_16: AYQSNHKVG4AEW7UV · pith_short_8: AYQSNHKV

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/AYQSNHKVG4AEW7UVOPKEGGANSM \
  | 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: 0621269d5537004b7e9573d443180d931fe58b8cc8546dded24860e074f1259d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e95ee5f37af1803bb1443b38779d2a43da2fed1a8fd80ef95048b646cddb83c",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-09T21:58:17Z",
    "title_canon_sha256": "fe555a1c36335f5a3f2993c59447b810f5b358bf8c2cb51e9e9afa23b71c6a16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04033",
    "kind": "arxiv",
    "version": 2
  }
}