Pith Number

pith:CL4GWT42

pith:2025:CL4GWT42YRIRKUDBGU6DTNK6PD

not attested not anchored not stored refs pending

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

Florian Euchner, Marc Gauger, Stephan ten Brink, Tim Schneider

arxiv:2502.09405 v1 · 2025-02-13 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CL4GWT42YRIRKUDBGU6DTNK6PD}

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	2026-07-05T10:13:57.073111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f86b4f9ac451155061353c39b55e78c5d40bf9f5dae31e2d154e41050f4d49

Aliases

arxiv: 2502.09405 · arxiv_version: 2502.09405v1 · doi: 10.48550/arxiv.2502.09405 · pith_short_12: CL4GWT42YRIR · pith_short_16: CL4GWT42YRIRKUDB · pith_short_8: CL4GWT42

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/CL4GWT42YRIRKUDBGU6DTNK6PD \
  | 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: 12f86b4f9ac451155061353c39b55e78c5d40bf9f5dae31e2d154e41050f4d49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ac7775a1b753043a8cf58dbd130f40eab0ae32908a2753b692ba476c4db92a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-02-13T15:31:47Z",
    "title_canon_sha256": "3e3f54291a3e920dbb4b4f29500b5a8d1f3ef4051a708e7947f24c4fb8bfc6bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09405",
    "kind": "arxiv",
    "version": 1
  }
}