Pith Number

pith:TV32JQ5D

pith:2007:TV32JQ5DIZBNSC3ZR4QLPMZEK7

not attested not anchored not stored refs pending

Capacity of Underspread Noncoherent WSSUS Fading Channels under Peak Signal Constraints

Giuseppe Durisi, Helmut B\"olcskei, Shlomo Shamai (Shitz)

arxiv:0705.1682 v1 · 2007-05-11 · 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{TV32JQ5DIZBNSC3ZR4QLPMZEK7}

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	2026-05-18T00:58:48.877025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d77a4c3a34642d90b798f20b7b32457e45ad2f47581f7e4f41cfe32953103c6

Aliases

arxiv: 0705.1682 · arxiv_version: 0705.1682v1 · doi: 10.48550/arxiv.0705.1682 · pith_short_12: TV32JQ5DIZBN · pith_short_16: TV32JQ5DIZBNSC3Z · pith_short_8: TV32JQ5D

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/TV32JQ5DIZBNSC3ZR4QLPMZEK7 \
  | 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: 9d77a4c3a34642d90b798f20b7b32457e45ad2f47581f7e4f41cfe32953103c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45788641a6945af0cffc9b687481fe3b340d80fbdb0a01f3fd7fae235afc20ff",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-05-11T16:01:09Z",
    "title_canon_sha256": "27327f9f8287d6d6253ec53490ce06fde0b574693511365726995946546e640f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.1682",
    "kind": "arxiv",
    "version": 1
  }
}