Pith Number

pith:NGWX7ORA

pith:2019:NGWX7ORAIM4HXSTNS5VITND5ZZ

not attested not anchored not stored refs pending

CubeSat Communications: Recent Advances and Future Challenges

Ahmed Elzanaty, Hayssam Dahrouj, Heba Almorad, Mohamed-Slim Alouini, Nasir Saeed, Tareq Y. Al-Naffouri

arxiv:1908.09501 v2 · 2019-08-26 · eess.SP · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGWX7ORAIM4HXSTNS5VITND5ZZ}

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	2026-07-05T00:57:33.803716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ad7fba2043387bca6d976a89b47dce7da28ddf53de1ff36f6fd9d2dc081d9c

Aliases

arxiv: 1908.09501 · arxiv_version: 1908.09501v2 · doi: 10.48550/arxiv.1908.09501 · pith_short_12: NGWX7ORAIM4H · pith_short_16: NGWX7ORAIM4HXSTN · pith_short_8: NGWX7ORA

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/NGWX7ORAIM4HXSTNS5VITND5ZZ \
  | 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: 69ad7fba2043387bca6d976a89b47dce7da28ddf53de1ff36f6fd9d2dc081d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03930ca85c701dce97dfa39c051bf9d6d1e115df58b878f03c76114c11ee17f2",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-26T07:19:15Z",
    "title_canon_sha256": "36984c7f530a0f9687edc5d6c6ff116f34fb38ec1d6390424b4114233b0f187a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09501",
    "kind": "arxiv",
    "version": 2
  }
}