Pith Number

pith:JPFOK47M

pith:2019:JPFOK47M7X44MCSTGIYT45HHXG

not attested not anchored not stored refs pending

Siamese Neural Networks for Wireless Positioning and Channel Charting

Christoph Studer, Eric Lei, Olav Tirkkonen, Oscar Casta\~neda, Tom Goldstein

arxiv:1909.13355 v1 · 2019-09-29 · cs.LG · 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{JPFOK47M7X44MCSTGIYT45HHXG}

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	2026-07-05T00:08:09.546049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bcae573ecfdf9c60a5332313e74e7b9a6b6aefd4ba217b3d952b54030b866f1

Aliases

arxiv: 1909.13355 · arxiv_version: 1909.13355v1 · doi: 10.48550/arxiv.1909.13355 · pith_short_12: JPFOK47M7X44 · pith_short_16: JPFOK47M7X44MCST · pith_short_8: JPFOK47M

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/JPFOK47M7X44MCSTGIYT45HHXG \
  | 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: 4bcae573ecfdf9c60a5332313e74e7b9a6b6aefd4ba217b3d952b54030b866f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39d40e5cf5ec37b863e45212580dac66d2013fa2579e14dce7849728f63f08da",
    "cross_cats_sorted": [
      "cs.IT",
      "eess.SP",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-09-29T20:04:15Z",
    "title_canon_sha256": "d8efad4daecd28b4e584dbaf64ee8714bd5f22505fc19623d2291b2c6f161a23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13355",
    "kind": "arxiv",
    "version": 1
  }
}