Pith Number

pith:SYGIKCBM

pith:2001:SYGIKCBMMDJXUBGJWXW2MWR7A7

not attested not anchored not stored refs pending

Continuous variable quantum cryptography using coherent states

Fr\'ed\'eric Grosshans, Philippe Grangier

arxiv:quant-ph/0109084 v2 · 2001-09-18 · 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{SYGIKCBMMDJXUBGJWXW2MWR7A7}

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	2026-05-18T01:05:04.786074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960c85082c60d37a04c9b5eda65a3f07c56d0506dd079b372d2c5cc8183b254e

Aliases

arxiv: quant-ph/0109084 · arxiv_version: quant-ph/0109084v2 · doi: 10.48550/arxiv.quant-ph/0109084 · pith_short_12: SYGIKCBMMDJX · pith_short_16: SYGIKCBMMDJXUBGJ · pith_short_8: SYGIKCBM

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/SYGIKCBMMDJXUBGJWXW2MWR7A7 \
  | 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: 960c85082c60d37a04c9b5eda65a3f07c56d0506dd079b372d2c5cc8183b254e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33dafd0bc3d97307e9e5f0a675f952be9c435cac81031854476b52afb0cc427f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-09-18T15:47:04Z",
    "title_canon_sha256": "0e3edea2560728332cff02d5da3b24761b9f79ea81a48401958da95934afc059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0109084",
    "kind": "arxiv",
    "version": 2
  }
}