Pith Number

pith:UNZYC5LN

pith:2020:UNZYC5LNINUFT6APEPPNQMIF37

not attested not anchored not stored refs pending

Resolution of the Co-Location Problem in Satellite Quantum Tests of the Universality of Free Fall

Christian Schubert, Dennis Schlippert, Ernst Maria Rasel, Franck Pereira Dos Santos, Naceur Gaaloul, Peter Wolf, Sina Loriani, Wolfgang Ertmer

arxiv:2006.08729 v1 · 2020-06-15 · quant-ph · gr-qc · physics.atom-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{UNZYC5LNINUFT6APEPPNQMIF37}

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	2026-07-05T02:04:41.044916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a37381756d436859f80f23ded83105dfd23d847e46ff2c71a4fced489bc72473

Aliases

arxiv: 2006.08729 · arxiv_version: 2006.08729v1 · doi: 10.48550/arxiv.2006.08729 · pith_short_12: UNZYC5LNINUF · pith_short_16: UNZYC5LNINUFT6AP · pith_short_8: UNZYC5LN

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/UNZYC5LNINUFT6APEPPNQMIF37 \
  | 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: a37381756d436859f80f23ded83105dfd23d847e46ff2c71a4fced489bc72473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5224412a1226bd5f042ce4c78a435ae2a6ecb0eb78ec2c74fa371b603c5ff704",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-06-15T19:57:21Z",
    "title_canon_sha256": "fc71c699360ce737ad10c9781f053761dedc29e1a177d23f5620a7b104ef6e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.08729",
    "kind": "arxiv",
    "version": 1
  }
}