Pith Number

pith:YM5TX76D

pith:2015:YM5TX76D5X7SE6ZNPCAIEVLEYP

not attested not anchored not stored refs pending

Conjugate-Root Offset-QAM for Orthogonal Multicarrier Transmission

Gerhard Fettweis, Maximilian Matth\'e

arxiv:1504.00126 v2 · 2015-04-01 · 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{YM5TX76D5X7SE6ZNPCAIEVLEYP}

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	2026-05-18T01:15:46.916025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c33b3bffc3edff227b2d7880825564c3fa777e837df512008d3bbe08eb87ca7e

Aliases

arxiv: 1504.00126 · arxiv_version: 1504.00126v2 · doi: 10.48550/arxiv.1504.00126 · pith_short_12: YM5TX76D5X7S · pith_short_16: YM5TX76D5X7SE6ZN · pith_short_8: YM5TX76D

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/YM5TX76D5X7SE6ZNPCAIEVLEYP \
  | 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: c33b3bffc3edff227b2d7880825564c3fa777e837df512008d3bbe08eb87ca7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d631e9694361ca37a9e228bf5f935ad0831a4f85a6bafe548e6bc90e10dbb082",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-01T07:17:12Z",
    "title_canon_sha256": "32309248520586c7823309aca9e2aebe6ec445a19b9edd045ca5633d9a33d483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00126",
    "kind": "arxiv",
    "version": 2
  }
}