Pith Number

pith:HWNNDJ5K

pith:2019:HWNNDJ5KXR6HZ6DFAYI6L4VKK6

not attested not anchored not stored refs pending

The Method of Conditional Expectations for Cubic Metric Reduction in OFDM

Gerhard Wunder, Saeed Afrasiabi-Gorgani

arxiv:1905.03019 v1 · 2019-05-08 · 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{HWNNDJ5KXR6HZ6DFAYI6L4VKK6}

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	2026-05-17T23:46:43.130304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d9ad1a7aabc7c7cf8650611e5f2aa578752e943709c8971c7ed499c397e09ef

Aliases

arxiv: 1905.03019 · arxiv_version: 1905.03019v1 · doi: 10.48550/arxiv.1905.03019 · pith_short_12: HWNNDJ5KXR6H · pith_short_16: HWNNDJ5KXR6HZ6DF · pith_short_8: HWNNDJ5K

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/HWNNDJ5KXR6HZ6DFAYI6L4VKK6 \
  | 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: 3d9ad1a7aabc7c7cf8650611e5f2aa578752e943709c8971c7ed499c397e09ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb58f72783c417fde3b63b9c369019a30d11fd351d7d1c087910b108f5fd3fa7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-05-08T12:00:17Z",
    "title_canon_sha256": "ed2df4531f8a33677c00cb92aa3b05f51eae798cef6652699a1765efbebec439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03019",
    "kind": "arxiv",
    "version": 1
  }
}