Pith Number

pith:MWYQMOCA

pith:2015:MWYQMOCA3D2JP2KMHHLLC2GXHH

not attested not anchored not stored refs pending

On the Design of Channel Shortening Demodulators for Iterative Receivers in MIMO and ISI Channels

Fredrik Rusek, Sha Hu

arxiv:1506.07331 v4 · 2015-06-24 · 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{MWYQMOCA3D2JP2KMHHLLC2GXHH}

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	2026-05-18T00:27:28.573573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65b1063840d8f497e94c39d6b168d739c2459682412adc33eff28bfe0f9dc519

Aliases

arxiv: 1506.07331 · arxiv_version: 1506.07331v4 · doi: 10.48550/arxiv.1506.07331 · pith_short_12: MWYQMOCA3D2J · pith_short_16: MWYQMOCA3D2JP2KM · pith_short_8: MWYQMOCA

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/MWYQMOCA3D2JP2KMHHLLC2GXHH \
  | 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: 65b1063840d8f497e94c39d6b168d739c2459682412adc33eff28bfe0f9dc519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "034ed7a44bcd6695ccd6373d471d45ec9b6302814b986e649d68a2b7b4bddb56",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-24T12:01:40Z",
    "title_canon_sha256": "754ad7a41f52a7fd5dbde8273acbb14335d5de842825d98b6cac4bb76fd3012c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07331",
    "kind": "arxiv",
    "version": 4
  }
}