Pith Number

pith:2GGDRABO

pith:2012:2GGDRABO7AEZDG7ZH5NAECIZIN

not attested not anchored not stored refs pending

On Finding Sub-optimum Signature Matrices for Overloaded CDMA Systems

E. Azghani, F. Marvasti, M. Ghassemian, M. Heidari Khoozani

arxiv:1202.4180 v1 · 2012-02-19 · 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{2GGDRABO7AEZDG7ZH5NAECIZIN}

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	2026-05-18T04:01:52.083077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d18c38802ef809919bf93f5a02091943755aab592b20dd8f9106214637739278

Aliases

arxiv: 1202.4180 · arxiv_version: 1202.4180v1 · doi: 10.48550/arxiv.1202.4180 · pith_short_12: 2GGDRABO7AEZ · pith_short_16: 2GGDRABO7AEZDG7Z · pith_short_8: 2GGDRABO

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/2GGDRABO7AEZDG7ZH5NAECIZIN \
  | 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: d18c38802ef809919bf93f5a02091943755aab592b20dd8f9106214637739278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6291261d9e7f2ca626516e066057e475871bec611f592eef2a57f1177a6b79fc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-19T19:43:22Z",
    "title_canon_sha256": "1c753c52790368124de40e3f9b37cee60cc9af8b4742fa5171738056826802d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4180",
    "kind": "arxiv",
    "version": 1
  }
}