Pith Number

pith:QK7PUXRA

pith:2014:QK7PUXRAYL5XSDTQCADUMGJUXE

not attested not anchored not stored refs pending

Effective Capacity in Cognitive Radio Broadcast Channels

J\"urgen Peissig, Marwan Hammouda, Sami Akin

arxiv:1407.4171 v1 · 2014-07-15 · 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{QK7PUXRAYL5XSDTQCADUMGJUXE}

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	2026-05-18T00:58:41.244289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82befa5e20c2fb790e701007461934b93c281980cbefd9e7974b2b1d81b22ae6

Aliases

arxiv: 1407.4171 · arxiv_version: 1407.4171v1 · doi: 10.48550/arxiv.1407.4171 · pith_short_12: QK7PUXRAYL5X · pith_short_16: QK7PUXRAYL5XSDTQ · pith_short_8: QK7PUXRA

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/QK7PUXRAYL5XSDTQCADUMGJUXE \
  | 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: 82befa5e20c2fb790e701007461934b93c281980cbefd9e7974b2b1d81b22ae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29f35c1f6489fb002c43f035532d15e8bf269b3acb49890a9815cf7d30f2103a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-15T23:43:37Z",
    "title_canon_sha256": "4c726dd5190be65f41bcd735453887c1f33c4a5002daa7fb0c1e7e0a13c2f932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4171",
    "kind": "arxiv",
    "version": 1
  }
}