Pith Number

pith:5ALQNQHR

pith:2017:5ALQNQHRYR6ZJ7JV2TAXDLT7NE

not attested not anchored not stored refs pending

Quantum Communication Uplink to a 3U CubeSat: Feasibility & Design

Carsten Scharlemann, Daanish Bambery, Erik Kerstel, Mathieu Barthelemy, Matthias Fink, Roland Blach, Rupert Ursin, Sameh Abouagaga, Sebastian Philipp Neumann, Siddarth Koduru Joshi, Thomas Scheidl

arxiv:1711.03409 v3 · 2017-11-09 · 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{5ALQNQHRYR6ZJ7JV2TAXDLT7NE}

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	2026-05-18T00:17:18.946035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81706c0f1c47d94fd35d4c171ae7f690cd1f5f63656490ab905486954399ffa

Aliases

arxiv: 1711.03409 · arxiv_version: 1711.03409v3 · doi: 10.48550/arxiv.1711.03409 · pith_short_12: 5ALQNQHRYR6Z · pith_short_16: 5ALQNQHRYR6ZJ7JV · pith_short_8: 5ALQNQHR

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/5ALQNQHRYR6ZJ7JV2TAXDLT7NE \
  | 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: e81706c0f1c47d94fd35d4c171ae7f690cd1f5f63656490ab905486954399ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5b82f22c8c93aa41a4078288cd4392414ea5201c6a71ae2c5e3df89c50cffb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-09T15:02:54Z",
    "title_canon_sha256": "cff224d96436a96b5ebe2f8384f1f8ff96acb7b56a18889a79c3638acf07c369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03409",
    "kind": "arxiv",
    "version": 3
  }
}