Pith Number

pith:5MZ4DP7Z

pith:2019:5MZ4DP7ZPRJ7WFFVDFFAA7JBKM

not attested not anchored not stored refs pending

Towards Practical Indoor Positioning Based on Massive MIMO Systems

Mark Widmaier, Maximilian Arnold, Sebastian Cammerer, Sebastian D\"orner, Stephan ten Brink

arxiv:1905.11858 v1 · 2019-05-28 · eess.SP · cs.IT · cs.LG · 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{5MZ4DP7ZPRJ7WFFVDFFAA7JBKM}

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	2026-05-17T23:44:50.098110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb33c1bff97c53fb14b5194a007d215320d9b3df2e2237b41192c8cd27d0ea7c

Aliases

arxiv: 1905.11858 · arxiv_version: 1905.11858v1 · doi: 10.48550/arxiv.1905.11858 · pith_short_12: 5MZ4DP7ZPRJ7 · pith_short_16: 5MZ4DP7ZPRJ7WFFV · pith_short_8: 5MZ4DP7Z

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/5MZ4DP7ZPRJ7WFFVDFFAA7JBKM \
  | 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: eb33c1bff97c53fb14b5194a007d215320d9b3df2e2237b41192c8cd27d0ea7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3420b477a37f6e60edfece178ebc3b96245ad4ff9d8e4eb7b5cf610269c53fff",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-28T14:42:53Z",
    "title_canon_sha256": "7063d24413a9e1ee4c8346edcd2cedd1d84742dc8cc36f20d106e93f62895da3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11858",
    "kind": "arxiv",
    "version": 1
  }
}