Pith Number

pith:VQF7KOJ3

pith:2021:VQF7KOJ3L5MFFCS2E2RTXSKSUT

not attested not anchored not stored refs pending

Evolution of Non-Terrestrial Networks From 5G to 6G: A Survey

Achiel Colpaert, Alireza Haqiqatnejad, Arsham Mostaani, Bjorn Ottersten, Eva Lagunas, Hazem Sallouha, Jesus Fabian Mendoza Montoya, M. Mahdi Azari, Oltjon Kodheli, Sofie Pollin, Sourabh Solanki, Symeon Chatzinotas

arxiv:2107.06881 v2 · 2021-07-14 · cs.NI · cs.ET · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQF7KOJ3L5MFFCS2E2RTXSKSUT}

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	2026-07-05T04:46:51.596369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0bf5393b5f58528a5a26a33bc952a4d5b1bed89ab5b03378475aa0355d3f88

Aliases

arxiv: 2107.06881 · arxiv_version: 2107.06881v2 · doi: 10.48550/arxiv.2107.06881 · pith_short_12: VQF7KOJ3L5MF · pith_short_16: VQF7KOJ3L5MFFCS2 · pith_short_8: VQF7KOJ3

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/VQF7KOJ3L5MFFCS2E2RTXSKSUT \
  | 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: ac0bf5393b5f58528a5a26a33bc952a4d5b1bed89ab5b03378475aa0355d3f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd03a17700714b527c507e6b2a42735eba928d40e5ea6b2c9242fa8f78555e3e",
    "cross_cats_sorted": [
      "cs.ET",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2021-07-14T17:54:49Z",
    "title_canon_sha256": "2e216e096210a81dfb86672c31e9d063d4e58fdc9a473fa6a6a2ee8b6faf66af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06881",
    "kind": "arxiv",
    "version": 2
  }
}