Pith Number

pith:VD6XXP45

pith:2018:VD6XXP45MRN7DGEVP37O2DMVJA

not attested not anchored not stored refs pending

Optimal Base Station Antenna Downtilt in Downlink Cellular Networks

De-gan Zhang, Guoqiang Mao, Junnan Yang, Ming Ding, Tom Hao Luan, Zihuai Lin

arxiv:1802.07479 v1 · 2018-02-21 · cs.NI · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VD6XXP45MRN7DGEVP37O2DMVJA}

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	2026-05-18T00:22:50.162880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8fd7bbf9d645bf198957efeed0d9548035d5ae3866e05fc9e6206f45c38fdcb

Aliases

arxiv: 1802.07479 · arxiv_version: 1802.07479v1 · doi: 10.48550/arxiv.1802.07479 · pith_short_12: VD6XXP45MRN7 · pith_short_16: VD6XXP45MRN7DGEV · pith_short_8: VD6XXP45

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/VD6XXP45MRN7DGEVP37O2DMVJA \
  | 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: a8fd7bbf9d645bf198957efeed0d9548035d5ae3866e05fc9e6206f45c38fdcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01ac1415241bb2600ef47791339f19c820d80599cc339877a95e20cc59da1df",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2018-02-21T09:32:06Z",
    "title_canon_sha256": "b44e2d121d5b15c6e94e8fd204100445ad3b26d1b3894a85ee934441c6b19061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07479",
    "kind": "arxiv",
    "version": 1
  }
}