pith. sign in
Pith Number

pith:YM4JEYD7

pith:2011:YM4JEYD7LPZBYEVIJ3QAEZOMAY
not attested not anchored not stored refs pending

Algebraic Hybrid Satellite-Terrestrial Space-Time Codes for Digital Broadcasting in SFN

Camilla Hollanti, Roope Vehkalahti, Youssef Nasser

arxiv:1103.0484 v1 · 2011-03-02 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YM4JEYD7LPZBYEVIJ3QAEZOMAY}

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 2026-05-18T00:58:43.609683Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c33892607f5bf21c12a84ee00265cc0615f2071b1bd447bd1b0278a7da977331

Aliases

arxiv: 1103.0484 · arxiv_version: 1103.0484v1 · doi: 10.48550/arxiv.1103.0484 · pith_short_12: YM4JEYD7LPZB · pith_short_16: YM4JEYD7LPZBYEVI · pith_short_8: YM4JEYD7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YM4JEYD7LPZBYEVIJ3QAEZOMAY \
  | 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: c33892607f5bf21c12a84ee00265cc0615f2071b1bd447bd1b0278a7da977331
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0fae10d43a47015786dd603caf0a2fa18826b9f2ce121d37abfe70beb9473f7c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-02T16:48:39Z",
    "title_canon_sha256": "333e85ed7ebf3b51490160953d66a3d42a269d2df0884b81db2d8f662b4d256c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0484",
    "kind": "arxiv",
    "version": 1
  }
}