Pith Number

pith:DAITYWKJ

pith:2017:DAITYWKJ34YI53676P6B2FARAY

not attested not anchored not stored refs pending

Cram\'er-Rao Lower Bounds for Positioning with Large Intelligent Surfaces

Fredrik Rusek, Ove Edfors, Sha Hu

arxiv:1702.03131 v2 · 2017-02-10 · cs.IT · 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{DAITYWKJ34YI53676P6B2FARAY}

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	2026-05-18T00:45:53.922557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18113c5949df308eefdff3fc1d1411063c98e564609392de0925764dedd90353

Aliases

arxiv: 1702.03131 · arxiv_version: 1702.03131v2 · doi: 10.48550/arxiv.1702.03131 · pith_short_12: DAITYWKJ34YI · pith_short_16: DAITYWKJ34YI5367 · pith_short_8: DAITYWKJ

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/DAITYWKJ34YI53676P6B2FARAY \
  | 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: 18113c5949df308eefdff3fc1d1411063c98e564609392de0925764dedd90353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9125bef9d890ff6343277b54d4bbd376c026e21bf6b3e2f13cfbffb4d9490e9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-10T11:19:05Z",
    "title_canon_sha256": "1d20fecd17770e78727659edc272820d17a8d6586afcd9021d2dfcd801c0b59b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03131",
    "kind": "arxiv",
    "version": 2
  }
}