Pith Number

pith:54UF2FO4

pith:2019:54UF2FO4BVXELTQG35O7WKCUG7

not attested not anchored not stored refs pending

A Geometry-aided Message Passing Method for AoA-Based Short Range MIMO Channel Estimation

Antti T\"olli, Jarkko Kaleva, Nitin Jonathan Myers, Robert W. Heath Jr

arxiv:1906.08919 v1 · 2019-06-21 · 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{54UF2FO4BVXELTQG35O7WKCUG7}

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	2026-05-17T23:42:47.404298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef285d15dc0d6e45ce06df5dfb285437c09a0bf24b23c1f2364c2ccdc7a1024a

Aliases

arxiv: 1906.08919 · arxiv_version: 1906.08919v1 · doi: 10.48550/arxiv.1906.08919 · pith_short_12: 54UF2FO4BVXE · pith_short_16: 54UF2FO4BVXELTQG · pith_short_8: 54UF2FO4

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/54UF2FO4BVXELTQG35O7WKCUG7 \
  | 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: ef285d15dc0d6e45ce06df5dfb285437c09a0bf24b23c1f2364c2ccdc7a1024a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e282cf6a0447e0aeb227d311feda341c9c653fea8f74409b0e761bf77ba83b0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-06-21T02:19:24Z",
    "title_canon_sha256": "76b298041e231c3d988adf3e526d546f47f796a1c0ae137759e5e2e5ce1cea4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08919",
    "kind": "arxiv",
    "version": 1
  }
}