Pith Number

pith:WTM4JDZE

pith:2015:WTM4JDZEAT3CU2UDBP3TJ7WSBY

not attested not anchored not stored refs pending

Fingerprinting-Based Positioning in Distributed Massive MIMO Systems

Erik G. Larsson, Vladimir Savic

arxiv:1509.00202 v1 · 2015-09-01 · 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{WTM4JDZEAT3CU2UDBP3TJ7WSBY}

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	2026-05-18T01:34:30.381338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d9c48f2404f62a6a830bf734fed20e33a1ccbc2356fb4acce944ac6f3d35f3

Aliases

arxiv: 1509.00202 · arxiv_version: 1509.00202v1 · doi: 10.48550/arxiv.1509.00202 · pith_short_12: WTM4JDZEAT3C · pith_short_16: WTM4JDZEAT3CU2UD · pith_short_8: WTM4JDZE

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/WTM4JDZEAT3CU2UDBP3TJ7WSBY \
  | 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: b4d9c48f2404f62a6a830bf734fed20e33a1ccbc2356fb4acce944ac6f3d35f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ffcf74d1ea97a24a9fddb7e4f125010aa566ccb0f69886bffcd7c973045442",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-01T09:56:05Z",
    "title_canon_sha256": "04a0985be35c1b16d6b8cc56afa9bd0411db8e38bba7094b2810c766fef43062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00202",
    "kind": "arxiv",
    "version": 1
  }
}