Pith Number

pith:JS5M4AVN

pith:2017:JS5M4AVNI37JOAYLCC5V7PSSKK

not attested not anchored not stored refs pending

Satellite-to-ground quantum communication using a 50-kg-class micro-satellite

Alberto Carrasco-Casado, Hideki Takenaka, Masahide Sasaki, Mikio Fujiwara, Mitsuo Kitamura, Morio Toyoshima

arxiv:1707.08154 v1 · 2017-07-12 · physics.optics · 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{JS5M4AVNI37JOAYLCC5V7PSSKK}

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	2026-05-18T00:39:25.180584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cbace02ad46fe97030b10bb5fbe5252be79434bb8c839db3e4d912f378003d2

Aliases

arxiv: 1707.08154 · arxiv_version: 1707.08154v1 · doi: 10.48550/arxiv.1707.08154 · pith_short_12: JS5M4AVNI37J · pith_short_16: JS5M4AVNI37JOAYL · pith_short_8: JS5M4AVN

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/JS5M4AVNI37JOAYLCC5V7PSSKK \
  | 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: 4cbace02ad46fe97030b10bb5fbe5252be79434bb8c839db3e4d912f378003d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "375637eb11e93f4875cf740ac188bedc9afb7307027b5ed14548335612b1bfbe",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-07-12T08:30:24Z",
    "title_canon_sha256": "91daa6fa05f1b41b96e9064e54c754c980f9055057b1d719fc06ca796b23f227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08154",
    "kind": "arxiv",
    "version": 1
  }
}