Pith Number

pith:4DEQAY7A

pith:2015:4DEQAY7ARNGLEPEYCJZVEWKKU5

not attested not anchored not stored refs pending

EM-Based Channel Estimation from Crowd-Sourced RSSI Samples Corrupted by Noise and Interference

Larry Greenstein, Silvija Kokalj-Filipovic

arxiv:1504.01072 v1 · 2015-04-05 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DEQAY7ARNGLEPEYCJZVEWKKU5}

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	2026-05-18T02:19:35.218712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0c90063e08b4cb23c98127352594aa77f8528262b7b55ccb82853c07c3db831

Aliases

arxiv: 1504.01072 · arxiv_version: 1504.01072v1 · doi: 10.48550/arxiv.1504.01072 · pith_short_12: 4DEQAY7ARNGL · pith_short_16: 4DEQAY7ARNGLEPEY · pith_short_8: 4DEQAY7A

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/4DEQAY7ARNGLEPEYCJZVEWKKU5 \
  | 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: e0c90063e08b4cb23c98127352594aa77f8528262b7b55ccb82853c07c3db831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674e27eb1e7d90ec3adaee07f0a3a67acf91f64888eac5f201e429502850f560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-04-05T02:20:55Z",
    "title_canon_sha256": "297518e7ed4d4581181419d7b3c09e7dea1e1fd74cb4e100fa021980ad30422e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01072",
    "kind": "arxiv",
    "version": 1
  }
}