Pith Number

pith:SFRMOLY5

pith:2015:SFRMOLY5SZQNQ2G3VDWL6LZI7X

not attested not anchored not stored refs pending

Satellite Quantum Communication via the Alphasat Laser Communication Terminal

(2) Tesat-Spacecom GmbH & Co. KG, (3) Space Administration, Backnang, Birgit Stiller (1), Bj\"orn G\"utlich (3), Bonn, Christoph Marquardt (1), Daniel Tr\"ondle (2), Dominique Elser (1), Erlangen, Frank Heine (2), Gerd Leuchs (1), German Aerospace Center (DLR), Germany, Germany), Herwig Zech (2), Imran Khan (1), Ines Richter (3), Karen Saucke (2), Kevin G\"unthner (1), Max Planck Institute for the Science of Light (MPL), Peter Greulich (2), Rolf Meyer (3) ((1) Quantum Information Processing Group (QIV), Stefan Seel (2), University of Erlangen-Nuremberg

arxiv:1510.04507 v1 · 2015-10-15 · quant-ph · cs.CR · cs.ET · physics.ao-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFRMOLY5SZQNQ2G3VDWL6LZI7X}

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	2026-05-18T01:17:52.385749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9162c72f1d9660d868dba8ecbf2f28fdde9ad1d40430c5ce80714a47ca156c27

Aliases

arxiv: 1510.04507 · arxiv_version: 1510.04507v1 · doi: 10.48550/arxiv.1510.04507 · pith_short_12: SFRMOLY5SZQN · pith_short_16: SFRMOLY5SZQNQ2G3 · pith_short_8: SFRMOLY5

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/SFRMOLY5SZQNQ2G3VDWL6LZI7X \
  | 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: 9162c72f1d9660d868dba8ecbf2f28fdde9ad1d40430c5ce80714a47ca156c27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88c77e1511fbbdb30e504b9071e9a7852bbb462f8cc238542faaae7c833f3f4d",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.ET",
      "physics.ao-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-15T12:42:13Z",
    "title_canon_sha256": "4c283346fb0dd0bbdeaecebb7e62a9bc3eaec2e4c6becbad1ce4337f51103b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04507",
    "kind": "arxiv",
    "version": 1
  }
}