Pith Number

pith:5PASNGYI

pith:2026:5PASNGYIKRFFSG45DHFQL3RSBH

not attested not anchored not stored refs pending

Device-independent Quantum Key Distribution in the commuting operator framework

Gereon Ko{\ss}mann, Hao-Chung Cheng, Po-Chieh Liu, Ren\'e Schwonnek

arxiv:2607.03579 v1 · 2026-07-03 · 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{5PASNGYIKRFFSG45DHFQL3RSBH}

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.

Cited by

1 paper in Pith

Hockey stick $f$-divergences

Receipt and verification

First computed	2026-07-07T02:17:55.712869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc1269b08544a591b9d19cb05ee3209eeef6a6a3e29f33d5fc33731e1101fb0

Aliases

arxiv: 2607.03579 · arxiv_version: 2607.03579v1 · doi: 10.48550/arxiv.2607.03579 · pith_short_12: 5PASNGYIKRFF · pith_short_16: 5PASNGYIKRFFSG45 · pith_short_8: 5PASNGYI

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/5PASNGYIKRFFSG45DHFQL3RSBH \
  | 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: ebc1269b08544a591b9d19cb05ee3209eeef6a6a3e29f33d5fc33731e1101fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87391e1319f9cf80949c1a20f830914192081b63538a79bc78d5c0b1e639089a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-03T19:44:10Z",
    "title_canon_sha256": "003c6ef10d78d3f8745fdae74151517e0efb54b58dbddcd4d56d812c2c1f88ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03579",
    "kind": "arxiv",
    "version": 1
  }
}