Pith Number

pith:JK5E67ZU

pith:2015:JK5E67ZU6DCVQ3PLMJDMBLN556

not attested not anchored not stored refs pending

Orthogonal Multilevel Spreading Sequence Design

H.M. de Oliveira, R.M. Campello de Souza

arxiv:1502.05881 v1 · 2015-02-20 · 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{JK5E67ZU6DCVQ3PLMJDMBLN556}

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	2026-05-18T02:26:44.561932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aba4f7f34f0c5586deb6246c0adbdefbcc3ca365e962944922c9d8cc87a06ce

Aliases

arxiv: 1502.05881 · arxiv_version: 1502.05881v1 · doi: 10.48550/arxiv.1502.05881 · pith_short_12: JK5E67ZU6DCV · pith_short_16: JK5E67ZU6DCVQ3PL · pith_short_8: JK5E67ZU

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/JK5E67ZU6DCVQ3PLMJDMBLN556 \
  | 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: 4aba4f7f34f0c5586deb6246c0adbdefbcc3ca365e962944922c9d8cc87a06ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fbf8c1888f01adff7c5bffd802d42601774f15045a8323ab89ef70d74fc2181",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-20T14:20:04Z",
    "title_canon_sha256": "d3686a63babbd2ed9c1cfcb67f5e3d3ca141093efd405b7651f20dca7ed86bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05881",
    "kind": "arxiv",
    "version": 1
  }
}