Pith Number

pith:YBHPZVCG

pith:2018:YBHPZVCGCZXW67KT35CWU3YXFG

not attested not anchored not stored refs pending

Finite-key effects in multi-partite quantum key distribution protocols

Dagmar Bru{\ss}, Federico Grasselli, Hermann Kampermann

arxiv:1807.04472 v4 · 2018-07-12 · 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{YBHPZVCGCZXW67KT35CWU3YXFG}

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	2026-05-17T23:59:16.713281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04efcd446166f6f7d53df456a6f172985cf363331b25a8d4fbd067e953cd613

Aliases

arxiv: 1807.04472 · arxiv_version: 1807.04472v4 · doi: 10.48550/arxiv.1807.04472 · pith_short_12: YBHPZVCGCZXW · pith_short_16: YBHPZVCGCZXW67KT · pith_short_8: YBHPZVCG

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/YBHPZVCGCZXW67KT35CWU3YXFG \
  | 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: c04efcd446166f6f7d53df456a6f172985cf363331b25a8d4fbd067e953cd613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eb4249bf98d87a7ba5d1fb882039e3964fd82b444f95729f8a5344d96c85910",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-12T08:39:24Z",
    "title_canon_sha256": "112e62faae3273fde651f76d132d755d0e02f55097ca6306d32f35dd52c6403c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04472",
    "kind": "arxiv",
    "version": 4
  }
}