Pith Number

pith:QU2NZDAM

pith:2019:QU2NZDAMJKCN52OPW7R4DUTU2F

not attested not anchored not stored refs pending

Probabilistic Two-Ray Model for Air-to-Air Channel in Built-Up Areas

Bo Ai, C\'esar Briso, Danping He, Ke Guan, Zhangdui Zhong, Zhuangzhuang Cui

arxiv:1906.10909 v1 · 2019-06-26 · eess.SP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QU2NZDAMJKCN52OPW7R4DUTU2F}

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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	2026-05-17T23:42:10.563682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8534dc8c0c4a84dee9cfb7e3c1d274d17115f698c671c561936ef40c158ff641

Aliases

arxiv: 1906.10909 · arxiv_version: 1906.10909v1 · doi: 10.48550/arxiv.1906.10909 · pith_short_12: QU2NZDAMJKCN · pith_short_16: QU2NZDAMJKCN52OP · pith_short_8: QU2NZDAM

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/QU2NZDAMJKCN52OPW7R4DUTU2F \
  | 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: 8534dc8c0c4a84dee9cfb7e3c1d274d17115f698c671c561936ef40c158ff641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c876a6ddc8c26697a46d2ec93083d6654c2985e01bee1dec2940983c69fe1017",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-06-26T08:34:42Z",
    "title_canon_sha256": "972f8d44ff4a1174075ad5d8f16d4b62afa9c2695aa82b4a46a3e4c7f4c9f519"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10909",
    "kind": "arxiv",
    "version": 1
  }
}