Pith Number

pith:IBDN34VC

pith:2012:IBDN34VCU3HWHINPG27GU5E4UT

not attested not anchored not stored refs pending

The PAPR Problem in OFDM Transmission: New Directions for a Long-Lasting Problem

Gerhard Wunder, Holger Boche, Jong-Seon No, Robert F. H. Fischer, Simon Litsyn

arxiv:1212.2865 v2 · 2012-12-12 · cs.IT · math.IT · math.MG · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBDN34VCU3HWHINPG27GU5E4UT}

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	2026-05-18T00:57:56.675745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4046ddf2a2a6cf63a1af36be6a749ca4d1f68e668e9702fca8111406f2239655

Aliases

arxiv: 1212.2865 · arxiv_version: 1212.2865v2 · doi: 10.48550/arxiv.1212.2865 · pith_short_12: IBDN34VCU3HW · pith_short_16: IBDN34VCU3HWHINP · pith_short_8: IBDN34VC

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/IBDN34VCU3HWHINPG27GU5E4UT \
  | 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: 4046ddf2a2a6cf63a1af36be6a749ca4d1f68e668e9702fca8111406f2239655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5266444c37f60fb595d3c9ef19a5630aa6851b7b39f1ff5c9663446844520046",
    "cross_cats_sorted": [
      "math.IT",
      "math.MG",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-12-12T16:25:56Z",
    "title_canon_sha256": "1d241816659629d4a8356f37b6f3ff570fdbc97d6b29a8dfee6c3b5c0bf49b93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2865",
    "kind": "arxiv",
    "version": 2
  }
}