Pith Number

pith:IUDIKJD6

pith:2019:IUDIKJD6TQMQD2LJSALMAXBPCC

not attested not anchored not stored refs pending

An Empirical Air-to-Ground Channel Model Based on Passive Measurements in LTE

Antonio P\'erez Yuste, Bo Ai, Gert Fr{\o}lund Pedersen, Jos\'e Rodr\'iguez-Pi\~neiro, Xuefeng Yin, Xuesong Cai

arxiv:1901.07930 v1 · 2019-01-23 · 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{IUDIKJD6TQMQD2LJSALMAXBPCC}

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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	2026-07-05T03:00:26.189761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450685247e9c1901e9699016c05c2f10821b7dda4c341ae4db0676a34344c0cb

Aliases

arxiv: 1901.07930 · arxiv_version: 1901.07930v1 · doi: 10.48550/arxiv.1901.07930 · pith_short_12: IUDIKJD6TQMQ · pith_short_16: IUDIKJD6TQMQD2LJ · pith_short_8: IUDIKJD6

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/IUDIKJD6TQMQD2LJSALMAXBPCC \
  | 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: 450685247e9c1901e9699016c05c2f10821b7dda4c341ae4db0676a34344c0cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b333c66d6308bdbb5a25b97f9f656b44b7c580a09691ff2377247c103f4fa44a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-01-23T14:53:04Z",
    "title_canon_sha256": "a5c7c4eadf0afc7428c8b0595f20b641204064db5bc51105fadb957701b5e9c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07930",
    "kind": "arxiv",
    "version": 1
  }
}