Pith Number

pith:N4X6NNDW

pith:2011:N4X6NNDWCHBE75PVMB5SASBIBG

not attested not anchored not stored refs pending

On Noncoherent Fading Relay Channels at High Signal-to-Noise Ratio

Gerhard Kramer, Tobias Koch

arxiv:1108.2187 v2 · 2011-08-10 · 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{N4X6NNDWCHBE75PVMB5SASBIBG}

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	2026-05-18T03:39:14.721264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f2fe6b47611c24ff5f5607b204828099ff5b49db3731d89ed667b9e038b3f22

Aliases

arxiv: 1108.2187 · arxiv_version: 1108.2187v2 · doi: 10.48550/arxiv.1108.2187 · pith_short_12: N4X6NNDWCHBE · pith_short_16: N4X6NNDWCHBE75PV · pith_short_8: N4X6NNDW

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/N4X6NNDWCHBE75PVMB5SASBIBG \
  | 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: 6f2fe6b47611c24ff5f5607b204828099ff5b49db3731d89ed667b9e038b3f22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c0af4058bda4522a85797f053a1d9a02a3aec544506a6289eb9a6825aba9b9d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-10T14:10:51Z",
    "title_canon_sha256": "69d1fd5445bdefeac3974251250c2bf8056b281976912f4de00b4180c9bb2d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2187",
    "kind": "arxiv",
    "version": 2
  }
}