Pith Number

pith:5HSXH7R6

pith:2020:5HSXH7R6GGDOBXZ5J26M3YHJYT

not attested not anchored not stored refs pending

Limits and Security of Free-Space Quantum Communications

Stefano Pirandola

arxiv:2010.04168 v3 · 2020-10-08 · quant-ph · cond-mat.other · physics.ao-ph · physics.app-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{5HSXH7R6GGDOBXZ5J26M3YHJYT}

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.

Cited by

1 paper in Pith

Topological State-Aware Simulation Framework for Inter-Satellite Twin-Field QKD Networks

Receipt and verification

First computed	2026-07-05T02:38:15.661328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9e573fe3e3186e0df3d4ebccde0e9c4e5a1655e6e276e0ef8a2476314ebf789

Aliases

arxiv: 2010.04168 · arxiv_version: 2010.04168v3 · doi: 10.48550/arxiv.2010.04168 · pith_short_12: 5HSXH7R6GGDO · pith_short_16: 5HSXH7R6GGDOBXZ5 · pith_short_8: 5HSXH7R6

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/5HSXH7R6GGDOBXZ5J26M3YHJYT \
  | 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: e9e573fe3e3186e0df3d4ebccde0e9c4e5a1655e6e276e0ef8a2476314ebf789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70efe0a2c98b61ab970ae3b1e860f2a06d540838f9583415ead411b6ee5076cf",
    "cross_cats_sorted": [
      "cond-mat.other",
      "physics.ao-ph",
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-10-08T18:00:02Z",
    "title_canon_sha256": "c420fcdff437fe0c5036cec8e09a7dec41797b37372cc78cd524240e0a9e7f0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.04168",
    "kind": "arxiv",
    "version": 3
  }
}