Pith Number

pith:PE6HRJUL

pith:2025:PE6HRJULVQ3JPJSPS7EFROCP4J

not attested not anchored not stored refs pending

Low-Complexity Frequency Domain Equalization of Zak-OTFS in Doubly-Spread Channels

Nishant Mehrotra, Robert Calderbank, Saif Khan Mohammed, Sandesh Rao Mattu, Venkatesh Khammammetti

arxiv:2506.23045 v2 · 2025-06-29 · eess.SP · 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{PE6HRJULVQ3JPJSPS7EFROCP4J}

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	2026-07-05T11:32:32.574358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

793c78a68bac3697a64f97c858b84fe25b8c77ff16bc745d129d1de1e418a8f7

Aliases

arxiv: 2506.23045 · arxiv_version: 2506.23045v2 · doi: 10.48550/arxiv.2506.23045 · pith_short_12: PE6HRJULVQ3J · pith_short_16: PE6HRJULVQ3JPJSP · pith_short_8: PE6HRJUL

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/PE6HRJULVQ3JPJSPS7EFROCP4J \
  | 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: 793c78a68bac3697a64f97c858b84fe25b8c77ff16bc745d129d1de1e418a8f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa106b45d88ead14fe168e821643343e62585af536ffb0cdec342da9946d925",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-06-29T00:51:43Z",
    "title_canon_sha256": "1a6e797ec3a433f4c02001fc6ef93f939b3e204e478c7ba7c917bdd0dd83ed86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23045",
    "kind": "arxiv",
    "version": 2
  }
}