Pith Number

pith:DREF7QN2

pith:2017:DREF7QN2OEIKZ45JP3T4UOIM6I

not attested not anchored not stored refs pending

Millimeter Wave Channel Measurements in a Railway Depot

Alberto Loaiza Freire, Berna Bulut, Di Kong, Jue Cao, Mark Beach, Simon Armour, Thomas Barratt

arxiv:1708.05091 v2 · 2017-08-16 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DREF7QN2OEIKZ45JP3T4UOIM6I}

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	2026-05-18T00:11:58.023239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c485fc1ba7110acf3a97ee7ca390cf234602ea242b8ef895a5d2ee6dd50141c

Aliases

arxiv: 1708.05091 · arxiv_version: 1708.05091v2 · doi: 10.48550/arxiv.1708.05091 · pith_short_12: DREF7QN2OEIK · pith_short_16: DREF7QN2OEIKZ45J · pith_short_8: DREF7QN2

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/DREF7QN2OEIKZ45JP3T4UOIM6I \
  | 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: 1c485fc1ba7110acf3a97ee7ca390cf234602ea242b8ef895a5d2ee6dd50141c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e39db5cd2b1ec711194dd2100260c973b3beabf46133297f6d14b82656f31b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2017-08-16T21:56:41Z",
    "title_canon_sha256": "18caad58ac97d3f10df771312bfb0c9668eaada5488b1f8b03f7f5cdf36baeeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05091",
    "kind": "arxiv",
    "version": 2
  }
}