Pith Number

pith:XBKECCSW

pith:2013:XBKECCSWPM2JXP3CZGDYRMVM4J

not attested not anchored not stored refs pending

Preamble-based Channel Estimation in FBMC/OQAM Systems: A Time-Domain Approach

Eleftherios Kofidis

arxiv:1306.2581 v2 · 2013-06-11 · cs.IT · math.IT · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBKECCSWPM2JXP3CZGDYRMVM4J}

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	2026-05-18T03:00:49.492457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b854410a567b349bbf62c98788b2ace2616fc7137faf88ab2149de4d5f0a76c7

Aliases

arxiv: 1306.2581 · arxiv_version: 1306.2581v2 · doi: 10.48550/arxiv.1306.2581 · pith_short_12: XBKECCSWPM2J · pith_short_16: XBKECCSWPM2JXP3C · pith_short_8: XBKECCSW

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/XBKECCSWPM2JXP3CZGDYRMVM4J \
  | 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: b854410a567b349bbf62c98788b2ace2616fc7137faf88ab2149de4d5f0a76c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a60981a7553e9cbe693cee5303d88116b1dcb66f2118339707c85ae3f50a52b",
    "cross_cats_sorted": [
      "math.IT",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-11T17:01:01Z",
    "title_canon_sha256": "8595bdd23386f867bc9f64a05840a0f442d6c32d41b424cab818109c7282dcd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2581",
    "kind": "arxiv",
    "version": 2
  }
}