Pith Number

pith:OSUPFKSX

pith:2024:OSUPFKSX2LEL7DDNFPTAOVUWMC

not attested not anchored not stored refs pending

Optical RISs Improve the Secret Key Rate of Free-Space QKD in HAP-to-UAV Scenarios

Chao Xu, Lajos Hanzo, Phuc V. Trinh, Shinya Sugiura

arxiv:2408.06106 v2 · 2024-08-12 · eess.SP · 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{OSUPFKSX2LEL7DDNFPTAOVUWMC}

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	2026-07-05T09:52:14.446349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74a8f2aa57d2c8bf8c6d2be60756966083ba328d62ced5d30d8c94a161570c8f

Aliases

arxiv: 2408.06106 · arxiv_version: 2408.06106v2 · doi: 10.48550/arxiv.2408.06106 · pith_short_12: OSUPFKSX2LEL · pith_short_16: OSUPFKSX2LEL7DDN · pith_short_8: OSUPFKSX

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/OSUPFKSX2LEL7DDNFPTAOVUWMC \
  | 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: 74a8f2aa57d2c8bf8c6d2be60756966083ba328d62ced5d30d8c94a161570c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbf9bde388210fa2b1608fb1646392219a70fe8f3538184651d903ec3a5637ff",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2024-08-12T12:45:46Z",
    "title_canon_sha256": "56de27b91ba0733fc4694c0f3417df19c4e944e735f66c5384c99f2b77d4e329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.06106",
    "kind": "arxiv",
    "version": 2
  }
}