Pith Number

pith:WLAKMC7P

pith:2019:WLAKMC7PDDPW4KTEI6U6VZSVTF

not attested not anchored not stored refs pending

Quantum satellites and tests of relativity

Alexander R. H. Smith, Daniel R. Terno, Francesco Vedovato, Giuseppe Vallone, Matteo Schiavon, Paolo Villoresi, Piergiovanni Magnani, Sai Vinjanampathy

arxiv:1906.04415 v1 · 2019-06-11 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLAKMC7PDDPW4KTEI6U6VZSVTF}

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	2026-05-17T23:43:39.340028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c0a60bef18df6e2a6447a9eae65599619c9f25afd8c9fb7d430f1edebdcb6c

Aliases

arxiv: 1906.04415 · arxiv_version: 1906.04415v1 · doi: 10.48550/arxiv.1906.04415 · pith_short_12: WLAKMC7PDDPW · pith_short_16: WLAKMC7PDDPW4KTE · pith_short_8: WLAKMC7P

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/WLAKMC7PDDPW4KTEI6U6VZSVTF \
  | 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: b2c0a60bef18df6e2a6447a9eae65599619c9f25afd8c9fb7d430f1edebdcb6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c394fcd4d6d118c953db8b34ce3767e8a29b32965122162b08df4119d076c8a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-11T07:00:59Z",
    "title_canon_sha256": "f1f5b64ebb009907eadc0c19f137619fb71f879217adb37ca19cb238136a5362"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04415",
    "kind": "arxiv",
    "version": 1
  }
}