Pith Number

pith:7MC45EJK

pith:2010:7MC45EJKS2NTVKWVOTF75N3TDJ

not attested not anchored not stored refs pending

Almost-Optimum Signature Matrices in Binary-Input Synchronous Overloaded CDMA

A. Rashidinejad, F. Marvasti, M. Heidari Khoozani, M. H. Lotfi Froushani, P. Pad

arxiv:1012.2073 v1 · 2010-12-09 · 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{7MC45EJKS2NTVKWVOTF75N3TDJ}

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	2026-05-18T04:33:49.039910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb05ce912a969b3aaad574cbfeb7731a46e39a77ab144cd127a8250f4d083e27

Aliases

arxiv: 1012.2073 · arxiv_version: 1012.2073v1 · doi: 10.48550/arxiv.1012.2073 · pith_short_12: 7MC45EJKS2NT · pith_short_16: 7MC45EJKS2NTVKWV · pith_short_8: 7MC45EJK

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/7MC45EJKS2NTVKWVOTF75N3TDJ \
  | 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: fb05ce912a969b3aaad574cbfeb7731a46e39a77ab144cd127a8250f4d083e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ffcdc28071138426c91e224bd026352af7bf74e7b13f63f91580f8b3303700",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-12-09T18:42:19Z",
    "title_canon_sha256": "ceb0f668eedf368cf95b41a4a2cf4e949245b7d55bbf8b80de6db15e2c4b6f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2073",
    "kind": "arxiv",
    "version": 1
  }
}