Pith Number

pith:4BNXFJHC

pith:2014:4BNXFJHCY4YSIAJ6BGXVZOE36U

not attested not anchored not stored refs pending

A Simple Lower Bound on the Noncoherent Capacity of Highly Underspread Fading Channels

Ian Wassell, Steven Herbert, Tian-Hong Loh

arxiv:1406.5926 v1 · 2014-06-23 · 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{4BNXFJHCY4YSIAJ6BGXVZOE36U}

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	2026-05-18T02:49:10.474101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05b72a4e2c73124013e09af5cb89bf536e0bb5bd85fdd0b34c3e52dbaa1bbf9

Aliases

arxiv: 1406.5926 · arxiv_version: 1406.5926v1 · doi: 10.48550/arxiv.1406.5926 · pith_short_12: 4BNXFJHCY4YS · pith_short_16: 4BNXFJHCY4YSIAJ6 · pith_short_8: 4BNXFJHC

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/4BNXFJHCY4YSIAJ6BGXVZOE36U \
  | 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: e05b72a4e2c73124013e09af5cb89bf536e0bb5bd85fdd0b34c3e52dbaa1bbf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "146bb33cea5ff465dc2a1418375f8c3dabfbbc572424bf3b19015480b1c44b8c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-06-23T14:38:45Z",
    "title_canon_sha256": "8bf90842d9a9456af99fbd852b8f0a80b99a3d2b1640ae87e3f24e67fa1d8a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5926",
    "kind": "arxiv",
    "version": 1
  }
}