Pith Number

pith:WIQDF7JJ

pith:2017:WIQDF7JJ7ITZOQ4LRUPCDL4WM2

not attested not anchored not stored refs pending

Channel Coherence Classification with Frame-Shifting in Massive MIMO Systems

Ahmad Abboud, Ali Jaber, Jean-Pierre Cances, Oussama Habachi, Vahid Meghdadi

arxiv:1710.10419 v2 · 2017-10-28 · 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{WIQDF7JJ7ITZOQ4LRUPCDL4WM2}

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	2026-05-18T00:30:40.388509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b22032fd29fa2797438b8d1e21af9666819c58a686ca972ae6a4c7ac21504284

Aliases

arxiv: 1710.10419 · arxiv_version: 1710.10419v2 · doi: 10.48550/arxiv.1710.10419 · pith_short_12: WIQDF7JJ7ITZ · pith_short_16: WIQDF7JJ7ITZOQ4L · pith_short_8: WIQDF7JJ

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/WIQDF7JJ7ITZOQ4LRUPCDL4WM2 \
  | 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: b22032fd29fa2797438b8d1e21af9666819c58a686ca972ae6a4c7ac21504284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f207e168adfdb1720c1710c83e04736c39f10b7198f66d152468dbbc84cc2e4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-28T08:29:45Z",
    "title_canon_sha256": "b5ace50af359e8ce3509b48409de02017348e4bf3d62d4c733df003b550e0a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10419",
    "kind": "arxiv",
    "version": 2
  }
}