Pith Number

pith:SIWE3RC2

pith:2016:SIWE3RC2S7CHCHBGCZHST4IVVO

not attested not anchored not stored refs pending

Finite-key-size effect in commercial plug-and-play QKD system

Lars Lydersen, Poompong Chaiwongkhot, Shihan Sajeed, Vadim Makarov

arxiv:1610.06876 v2 · 2016-10-21 · 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{SIWE3RC2S7CHCHBGCZHST4IVVO}

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	2026-05-18T00:36:39.211896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922c4dc45a97c4711c26164f29f115abab56753c9edd10419117dd1bc112ac48

Aliases

arxiv: 1610.06876 · arxiv_version: 1610.06876v2 · doi: 10.48550/arxiv.1610.06876 · pith_short_12: SIWE3RC2S7CH · pith_short_16: SIWE3RC2S7CHCHBG · pith_short_8: SIWE3RC2

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/SIWE3RC2S7CHCHBGCZHST4IVVO \
  | 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: 922c4dc45a97c4711c26164f29f115abab56753c9edd10419117dd1bc112ac48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c511fa127249a3af2d413b553cebbd89285a3a927e9cbaa6559ff988ebf62a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-10-21T17:44:10Z",
    "title_canon_sha256": "0422b65e777c5a2a70a1589e1e2a09667c3d81dcc682d10ec39aa13488f8d4e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06876",
    "kind": "arxiv",
    "version": 2
  }
}