pith. sign in
Pith Number

pith:2PVOOXFZ

pith:2019:2PVOOXFZBCPW2N77EU4P7BMYB4
not attested not anchored not stored refs pending

Low-Complexity OFDM Spectral Precoding

Bo G\"oransson, Carlo Fischione, Gabor Fodor, Mats Bengtsson, Shashi Kant

arxiv:1905.06667 v1 · 2019-05-16 · eess.SP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2PVOOXFZBCPW2N77EU4P7BMYB4}

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 2026-05-17T23:46:01.477628Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d3eae75cb9089f6d37ff2538ff85980f20cb07fc09d4f3dc4cd2deab34f1c22f

Aliases

arxiv: 1905.06667 · arxiv_version: 1905.06667v1 · doi: 10.48550/arxiv.1905.06667 · pith_short_12: 2PVOOXFZBCPW · pith_short_16: 2PVOOXFZBCPW2N77 · pith_short_8: 2PVOOXFZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2PVOOXFZBCPW2N77EU4P7BMYB4 \
  | 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: d3eae75cb9089f6d37ff2538ff85980f20cb07fc09d4f3dc4cd2deab34f1c22f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "40ddae5867a15d2b69706a989e7a01e6e566e380a42809d2c30e7c5113002ac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-16T11:34:57Z",
    "title_canon_sha256": "3fece9e443d1b9f3a50ffb6ffd4306bcea2a5147971ddac2177dee13d3627bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06667",
    "kind": "arxiv",
    "version": 1
  }
}