Pith Number

pith:XDP4KBXV

pith:2015:XDP4KBXVCP76WRGBVVT6AL54IG

not attested not anchored not stored refs pending

Spatial Wireless Channel Prediction under Location Uncertainty

Henk Wymeersch, L. Srikar Muppirisetty, Tommy Svensson

arxiv:1501.03654 v2 · 2015-01-15 · 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{XDP4KBXVCP76WRGBVVT6AL54IG}

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	2026-05-18T01:32:08.224684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8dfc506f513ffeb44c1ad67e02fbc41866c21d659059030ef9a7482d8dc3162

Aliases

arxiv: 1501.03654 · arxiv_version: 1501.03654v2 · doi: 10.48550/arxiv.1501.03654 · pith_short_12: XDP4KBXVCP76 · pith_short_16: XDP4KBXVCP76WRGB · pith_short_8: XDP4KBXV

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/XDP4KBXVCP76WRGBVVT6AL54IG \
  | 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: b8dfc506f513ffeb44c1ad67e02fbc41866c21d659059030ef9a7482d8dc3162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "313f540d33b45ece87a02b304ee8f31800dae0fd3d492b192fdbf04602e5b8a3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-15T12:48:30Z",
    "title_canon_sha256": "8e639e73e4353ee30366b422749dd831f956dc2924607e4c0eaccf90bb6265b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03654",
    "kind": "arxiv",
    "version": 2
  }
}