Pith Number

pith:NCORH6CL

pith:2017:NCORH6CL5SFIAKNXKWTFILZOYG

not attested not anchored not stored refs pending

Comparing Radio Propagation Channels Between 28 and 140 GHz Bands in a Shopping Mall

Aki Karttunen, Jan Jarvelainen, Jyri Putkonen, Katsuyuki Haneda, Sinh Le Hong Nguyen

arxiv:1712.09438 v1 · 2017-12-26 · cs.IT · eess.SP · 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{NCORH6CL5SFIAKNXKWTFILZOYG}

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	2026-05-18T00:27:08.422612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

689d13f84bec8a8029b755a6542f2ec1ace6f6847a3bfb65b6e32ebc58b53eb8

Aliases

arxiv: 1712.09438 · arxiv_version: 1712.09438v1 · doi: 10.48550/arxiv.1712.09438 · pith_short_12: NCORH6CL5SFI · pith_short_16: NCORH6CL5SFIAKNX · pith_short_8: NCORH6CL

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/NCORH6CL5SFIAKNXKWTFILZOYG \
  | 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: 689d13f84bec8a8029b755a6542f2ec1ace6f6847a3bfb65b6e32ebc58b53eb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c446c88a65c8282191edc36e051b0e7ffe7f6e4b1fc09f200c813c55513e819",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-26T22:09:14Z",
    "title_canon_sha256": "4a8f5915c043f72fe3ca8ecee642860122aaa8d8482aadb42e66d97d6d2fe4a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09438",
    "kind": "arxiv",
    "version": 1
  }
}