pith. sign in
Pith Number

pith:PDI5WGUP

pith:2010:PDI5WGUP3LTKW7NUTEAXDSTJ5D
not attested not anchored not stored refs pending

The Enigma of CDMA Revisited

F. Marvasti, K. Alishahi, M. H. Shafinia, M. Mansouri, P. Pad, S. Dashmiz

arxiv:1005.0677 v1 · 2010-05-05 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PDI5WGUP3LTKW7NUTEAXDSTJ5D}

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 2026-05-18T02:24:08.994186Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

78d1db1a8fdae6ab7db4990171ca69e8f63a80915775beeda86819bb68e4417d

Aliases

arxiv: 1005.0677 · arxiv_version: 1005.0677v1 · doi: 10.48550/arxiv.1005.0677 · pith_short_12: PDI5WGUP3LTK · pith_short_16: PDI5WGUP3LTKW7NU · pith_short_8: PDI5WGUP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PDI5WGUP3LTKW7NUTEAXDSTJ5D \
  | 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: 78d1db1a8fdae6ab7db4990171ca69e8f63a80915775beeda86819bb68e4417d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bac3991b3f98d4d0da43107db4969b7a0c411c11395bef1fdf0031d0e1df99ca",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-05T06:52:49Z",
    "title_canon_sha256": "9b29f602ac0feaeff75627d6a6d6fc6e3544151f70f9ed0b8c89b982be3cd646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0677",
    "kind": "arxiv",
    "version": 1
  }
}