Pith Number

pith:XSIFGW2D

pith:2018:XSIFGW2DR63SKY6PKQID55LWOW

not attested not anchored not stored refs pending

Channel Charting: Locating Users within the Radio Environment using Channel State Information

Christoph Studer, Emre G\"on\"ulta\c{s}, Olav Tirkkonen, Sa\"id Medjkouh, Tom Goldstein

arxiv:1807.05247 v2 · 2018-07-13 · cs.IT · eess.SP · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSIFGW2DR63SKY6PKQID55LWOW}

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.

Cited by

1 paper in Pith

ESPARGOS: An Ultra Low-Cost, Realtime-Capable Multi-Antenna WiFi Channel Sounder

Receipt and verification

First computed	2026-05-18T00:07:32.337144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc90535b438fb72563cf54103ef57675b9f4844b94c62da8b61cbb05370c9780

Aliases

arxiv: 1807.05247 · arxiv_version: 1807.05247v2 · doi: 10.48550/arxiv.1807.05247 · pith_short_12: XSIFGW2DR63S · pith_short_16: XSIFGW2DR63SKY6P · pith_short_8: XSIFGW2D

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/XSIFGW2DR63SKY6PKQID55LWOW \
  | 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: bc90535b438fb72563cf54103ef57675b9f4844b94c62da8b61cbb05370c9780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "176164cfd992f56cfcb9fd815b40f49b991a489eaacdb8edd72bcfe33cc6386c",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-13T18:56:34Z",
    "title_canon_sha256": "4b2a108e31e714cb9cbf227dae4dad9c5d929dbec38349891a1a0296972a9d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05247",
    "kind": "arxiv",
    "version": 2
  }
}